{"title":"G82 Chassis","description":null,"products":[{"product_id":"fuelit-pi-kit-s58","title":"Fuel-It! Port Injection Kit — S58 (G8x M3\/M4, G87 M2, X3 M \/ X4 M)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! port injection kit for the S58 — the G8x M3\/M4 (including M3 Touring and M4 Convertible), G87 M2, and F97 X3 M \/ F98 X4 M.\u003c\/strong\u003e Low-pressure port injection across all six intake runners, backing up the S58's direct injection for big power on pump, race gas, or E85 (Fuel-It rates the kit up to 1,000+ whp with the right injectors).\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA Fuel-It S58 billet fuel rail, up to six flow-matched port injectors (sized to your choice), stainless-braided lines, a port-injection controller, and the install hardware\/jig. It supplements the factory DI; injector size sets the power ceiling.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eThree choices in the configurator. \u003cstrong\u003eInjector:\u003c\/strong\u003e No injectors (rail and hardware only, to carry over your own set), or 550, 750, 950, or 1050cc — size it to your power target. \u003cstrong\u003eController:\u003c\/strong\u003e Standard fires the port injectors as a batched bank; CANfuel Sequential is Fuel-It's CAN-bus controller that fires each injector in sequence with the engine for finer fuel control. \u003cstrong\u003eFlex-Fuel:\u003c\/strong\u003e None, reuse your existing flex-fuel sensor, or add a new sensor.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eSupplemental fuel for high-power S58 builds. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 — G80 M3, G81 M3 Touring, G82 M4, G83 M4 Convertible, G87 M2, F97 X3 M, F98 X4 M. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s58\"\u003eFueling Kit — S58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"No injectors \/ Standard \/ None","offer_id":43280675045437,"sku":"FI-PI-S58","price":1995.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ Standard \/ Reuse existing sensor","offer_id":43280675078205,"sku":"FI-PI-S58-FLEXR","price":2094.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ Standard \/ New sensor","offer_id":43280675110973,"sku":"FI-PI-S58-FLEXN","price":2424.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ CANfuel Sequential \/ None","offer_id":43280675143741,"sku":"FI-PI-S58-SEQ","price":2494.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ CANfuel Sequential \/ Reuse existing sensor","offer_id":43280675176509,"sku":"FI-PI-S58-SEQ-FLEXR","price":2593.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ CANfuel Sequential \/ New sensor","offer_id":43280675209277,"sku":"FI-PI-S58-SEQ-FLEXN","price":2923.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ Standard \/ None","offer_id":43280675242045,"sku":"FI-PI-S58-I550","price":2284.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ Standard \/ Reuse existing sensor","offer_id":43280675274813,"sku":"FI-PI-S58-I550-FLEXR","price":2383.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ Standard \/ New sensor","offer_id":43280675307581,"sku":"FI-PI-S58-I550-FLEXN","price":2713.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential \/ None","offer_id":43280675340349,"sku":"FI-PI-S58-I550-SEQ","price":2783.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential \/ Reuse existing sensor","offer_id":43280675373117,"sku":"FI-PI-S58-I550-SEQ-FLEXR","price":2882.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential \/ New sensor","offer_id":43280675405885,"sku":"FI-PI-S58-I550-SEQ-FLEXN","price":3212.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard \/ None","offer_id":43280675438653,"sku":"FI-PI-S58-I750","price":2384.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard \/ Reuse existing sensor","offer_id":43280675471421,"sku":"FI-PI-S58-I750-FLEXR","price":2483.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard \/ New sensor","offer_id":43280675504189,"sku":"FI-PI-S58-I750-FLEXN","price":2813.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential \/ None","offer_id":43280675536957,"sku":"FI-PI-S58-I750-SEQ","price":2883.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential \/ Reuse existing sensor","offer_id":43280675569725,"sku":"FI-PI-S58-I750-SEQ-FLEXR","price":2982.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential \/ New sensor","offer_id":43280675602493,"sku":"FI-PI-S58-I750-SEQ-FLEXN","price":3312.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard \/ None","offer_id":43280675635261,"sku":"FI-PI-S58-I950","price":2484.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard \/ Reuse existing sensor","offer_id":43280675668029,"sku":"FI-PI-S58-I950-FLEXR","price":2583.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard \/ New sensor","offer_id":43280675700797,"sku":"FI-PI-S58-I950-FLEXN","price":2913.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential \/ None","offer_id":43280675733565,"sku":"FI-PI-S58-I950-SEQ","price":2983.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential \/ Reuse existing sensor","offer_id":43280675766333,"sku":"FI-PI-S58-I950-SEQ-FLEXR","price":3082.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential \/ New sensor","offer_id":43280675799101,"sku":"FI-PI-S58-I950-SEQ-FLEXN","price":3412.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ Standard \/ None","offer_id":43280675831869,"sku":"FI-PI-S58-I1050","price":2894.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ Standard \/ Reuse existing sensor","offer_id":43280675864637,"sku":"FI-PI-S58-I1050-FLEXR","price":2993.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ Standard \/ New sensor","offer_id":43280675897405,"sku":"FI-PI-S58-I1050-FLEXN","price":3323.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ CANfuel Sequential \/ None","offer_id":43280675930173,"sku":"FI-PI-S58-I1050-SEQ","price":3393.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ CANfuel Sequential \/ Reuse existing sensor","offer_id":43280675962941,"sku":"FI-PI-S58-I1050-SEQ-FLEXR","price":3492.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ CANfuel Sequential \/ New sensor","offer_id":43280675995709,"sku":"FI-PI-S58-I1050-SEQ-FLEXN","price":3822.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/FuelIt__s58-bmw-port-injection-kit__3.webp?v=1781742887"},{"product_id":"fuelit-wmi-pi-s58","title":"Fuel-It! Water\/Methanol Port Injection Kit — S58 (G80 M3 \/ G82 M4)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! water\/methanol port injection kit for the S58 — G80 M3 and G82 M4.\u003c\/strong\u003e The same six-injector port setup, but spraying a water\/methanol blend instead of fuel — charge-cooling and knock suppression that makes strong power even on pump gas.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA Fuel-It S58 billet rail with six injectors, a high-output water\/methanol pump, a stainless-braided meth line, a controller, and a 3.5-gallon stealth trunk tank. It supplements combustion cooling rather than adding fuel; it pairs well with E85 or pump-gas builds chasing knock margin.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eThree choices, all selectable in the configurator. Injector sizing — 550, 750, or 950cc — sets how much fluid the six ports can flow. Controller is either Standard or CANfuel Sequential, Fuel-It's CAN-bus sequential controller. Tank Color is Black or White, the cosmetic finish of the 3.5-gallon stealth trunk tank.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eCharge-cooling and knock suppression for high-power S58 builds. We tune the engine to the system to use it.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 — G80 M3 \/ M3 Competition (direct fit), G82 M4 \/ M4 Competition (tank fitment may require modification). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s58\"\u003eFueling Kit — S58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"550cc \/ Standard \/ Black","offer_id":43280678715453,"sku":"FI-WMI-PI-S58","price":1685.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ Standard \/ White","offer_id":43280678748221,"sku":"FI-WMI-PI-S58-W","price":1685.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential \/ Black","offer_id":43280678780989,"sku":"FI-WMI-PI-S58-SEQ","price":2184.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential \/ White","offer_id":43280678813757,"sku":"FI-WMI-PI-S58-SEQ-W","price":2184.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard \/ Black","offer_id":43280678846525,"sku":"FI-WMI-PI-S58-I750","price":1785.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard \/ White","offer_id":43280678879293,"sku":"FI-WMI-PI-S58-I750-W","price":1785.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential \/ Black","offer_id":43280678912061,"sku":"FI-WMI-PI-S58-I750-SEQ","price":2284.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential \/ White","offer_id":43280678944829,"sku":"FI-WMI-PI-S58-I750-SEQ-W","price":2284.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard \/ Black","offer_id":43280678977597,"sku":"FI-WMI-PI-S58-I950","price":1885.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard \/ White","offer_id":43280679010365,"sku":"FI-WMI-PI-S58-I950-W","price":1885.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential \/ Black","offer_id":43280679043133,"sku":"FI-WMI-PI-S58-I950-SEQ","price":2384.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential \/ White","offer_id":43280679075901,"sku":"FI-WMI-PI-S58-I950-SEQ-W","price":2384.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/FuelIt__s58-bmw-water-methanol-port-injection.webp?v=1781742887"},{"product_id":"er-s58-g80-g82-mid-pipes","title":"Evolution Racewerks Competition Series Mid Pipes — S58 G80 M3 \/ G82 M4 \/ G83 M4 Conv","description":"\u003cp\u003e\u003cstrong\u003eEvolution Racewerks Competition Series mid pipes for the S58 in G80 M3, G82 M4, and G83 M4 Convertible.\u003c\/strong\u003e The S58's catalytic converters sit in the downpipe section (we offer those separately as catless or high-flow catted downpipes). This product is the mid-pipe: 3\" mandrel-bent T304 stainless replacing the OEM resonator-and-mid-pipe assembly. It deletes the resonators — the main restriction in the OEM mid section — and opens the flow path to the cat-back. Downpipe and mid-pipe are separate, complementary upgrades.\u003c\/p\u003e\n\n\u003ch3\u003eH-crossover (not X)\u003c\/h3\u003e\n\u003cp\u003eER deliberately specified an \"H\" style crossover instead of \"X\" — their testing showed the H-crossover reduces drone and improves low-end torque versus X-crossover designs. The OEM mid pipe also uses H-crossover; ER preserved that architecture choice. Result: aggressive exhaust note across the rev range, no drone at cruise.\u003c\/p\u003e\n\n\u003ch3\u003eAudible change\u003c\/h3\u003e\n\u003cp\u003eSignificant — the OEM resonators do a lot of the S58's exhaust note management. With them removed, the engine note is noticeably more aggressive at all RPM bands. Driver experience changes; neighbors notice when you start the car.\u003c\/p\u003e\n\n\u003ch3\u003eShipping note\u003c\/h3\u003e\n\u003cp\u003eThe full 1-piece mid pipe exceeds UPS\/FedEx ground size limits — ER offers it in a 3-piece design for ground shipping (the standard option). Full 1-piece is available by truck freight (significantly higher shipping cost). We default to the 3-piece for UPS\/FedEx ground unless you specifically request the 1-piece.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Evolution Racewerks builds in\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e100% 304-grade stainless steel construction\u003c\/li\u003e\n  \u003cli\u003eMandrel-bent piping — smooth transitions, no flow restrictions at the bends\u003c\/li\u003e\n  \u003cli\u003e100% TIG-welded by ER's in-house fabricators\u003c\/li\u003e\n  \u003cli\u003ePrecision CNC-machined flanges (billet 304 stainless)\u003c\/li\u003e\n  \u003cli\u003eMade in the USA — manufactured in-house at ER's California facility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLimited Lifetime Warranty\u003c\/strong\u003e against manufacturing defects\u003c\/li\u003e\n  \u003cli\u003eFree shipping in the continental US on orders over $100 from Evolution Racewerks (we pass that through — no shipping markup from us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEGT bung included — standard on every Esse Werks ER order\u003c\/h3\u003e\n\u003cp\u003eEvolution Racewerks offers the EGT (Exhaust Gas Temperature) sensor bung as an optional add-on on their direct catalog. \u003cstrong\u003eWe include it on every ER downpipe \/ mid pipe we ship — no upcharge.\u003c\/strong\u003e Comes pre-installed with a 1\/8\" NPT plug so you don't need to run the EGT sensor immediately. When you're ready to add EGT monitoring to your build (recommended at Stage 2 and above for any sustained-load driving), the bung is already there.\u003c\/p\u003e\n\n\u003ch3\u003eSwainTech White Lightning — our signature coating\u003c\/h3\u003e\n\u003cp\u003eWhen we coat a part, we use one coating: SwainTech White Lightning — a true ceramic thermal barrier applied about 0.015\" thick (versus roughly 0.002\" for paint-style \"ceramic\" finishes) and sprayed molten so it bonds to the metal instead of sitting on top. It cuts radiant heat off the exhaust by roughly 35–55%, dropping underhood and intake temperatures, and keeps heat inside the pipe where it sustains exhaust velocity and scavenging. And it's white — a deliberate signature in a market that otherwise all looks the same in black. Select it above.\u003c\/p\u003e\n\n\u003ch3\u003eCalifornia restriction\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis product is not for sale, installation, or use on licensed vehicles in the State of California.\u003c\/strong\u003e 49-state product. Vehicle Compliance Waiver signed at order intake. International orders ship without restriction.\u003c\/p\u003e\n\n\u003ch3\u003eInstall\u003c\/h3\u003e\n\u003cp\u003e~3-4 hours at a competent shop. Reuses OEM hardware where applicable. Includes all hardware for complete installation.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 sedan\/coupe\/convertible — G80 M3, G82 M4, G83 M4 Convertible (Competition, Competition xDrive, base, CS).\u003c\/p\u003e\n\u003cp\u003eThis part is the mid-pipe-side core of every S58 Stage 2 build. The \u003ca href=\"\/products\/stage-2-kit-s58\"\u003eStage 2 Kit — S58\u003c\/a\u003e packages the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Evolution Racewerks","offers":[{"title":"Brush Finish","offer_id":43280681992253,"sku":"EW-EXH-ER-S58-G8X","price":1415.0,"currency_code":"USD","in_stock":true},{"title":"SwainTech White Lightning","offer_id":43280682025021,"sku":"EW-EXH-ER-S58-G8X-CER","price":1665.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/er-s58-g87-m2-mid-pipes-01.webp?v=1781743118"},{"product_id":"spool-fx350-hpfp-s58","title":"Spool Performance FX-350 High-Pressure Fuel Pumps (Pair) — S58","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance FX-350 high-pressure fuel pumps for the S58 — supplied as a matched pair for the engine's dual-pump direct-injection system.\u003c\/strong\u003e Each is a 390-bar (5,600 psi) pump with a stainless, DLC-coated piston and bore; together they deliver about 50% more fuel than the OEM pumps.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA two-pump kit (one per OEM location) — Spool sizes the S58\/S63 V8 pumps at 390 bar rather than the inline-six's 350 bar. Plug-and-play, lifetime warranty, pairs with Spool's Gen2 DI injectors. The kit includes both pumps, brackets, an alignment tool, a triple-layer low-pressure line, and a plug-and-play adapter harness + hardline.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure (DI) side; run it with an upgraded low-pressure in-tank pump and a matching calibration. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eSpool offers a wireless ethanol-content analyzer and a 10-micron inline filter as add-ons — tell us if you want either specced in.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 — G80\/G81 M3, G82\/G83 M4, G87 M2, F97 X3 M, F98 X4 M. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s58\"\u003eFueling Kit — S58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"None \/ None","offer_id":43280685563965,"sku":"SP-S58-FX350-2","price":5435.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ None","offer_id":43280685596733,"sku":"SP-S58-FX350-2-UE","price":5435.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ None","offer_id":43280685629501,"sku":"SP-S58-FX350-2-EA","price":5784.0,"currency_code":"USD","in_stock":true},{"title":"None \/ With 10-Micron Filter","offer_id":43280685662269,"sku":"SP-S58-FX350-2-F","price":5584.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ With 10-Micron Filter","offer_id":43280685695037,"sku":"SP-S58-FX350-2-UE-F","price":5584.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ With 10-Micron Filter","offer_id":43280685727805,"sku":"SP-S58-FX350-2-EA-F","price":5933.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool-fx350-hpfp-ew02.webp?v=1781742886"},{"product_id":"snow-performance-stage-3-methanol-kit","title":"Snow Performance Stage 3 DI Water\/Methanol Kit","description":"\u003cp\u003e\u003cstrong\u003eCharge cooling that lowers IAT under sustained boost.\u003c\/strong\u003e The Stage 3 DI kit injects a 49% methanol \/ 51% water mix (Snow's Boost Juice) into the charge tract. Effective IAT drop is 15–35°F depending on ambient and boost pressure. Detonation margin moves with it.\u003c\/p\u003e\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHD pump with steel-braided pressure line\u003c\/li\u003e\n\u003cli\u003eController with boost-referenced injection mapping (electronically dosed, not vacuum-line driven)\u003c\/li\u003e\n\u003cli\u003eReservoir, mounting hardware, harness\u003c\/li\u003e\n\u003cli\u003e1 gallon of Boost Juice to start the system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat it does for your tune\u003c\/h3\u003e\u003cp\u003eCharge cooling buys timing margin. On a calibrated B48 or B58 running aggressive timing in the cells where the engine is most knock-limited, meth allows 1–3° more advance at the same knock probability. That's not a flat power number — it's a track-day repeatability number.\u003c\/p\u003e\u003ch3\u003eNot magic\u003c\/h3\u003e\u003cp\u003eMeth is not a substitute for proper fueling, a correctly sized intercooler, or a calibration that respects your fuel system's actual capacity. It is an additional knock margin tool. We use it on Stage 2+ builds where the customer drives the car hot.\u003c\/p\u003e","brand":"Snow Performance","offers":[{"title":"Default Title","offer_id":43280686678077,"sku":"EW-ENG-METHKIT-S3","price":1205.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/snow_stg3_DI_EW_BLK01.png?v=1781742738"},{"product_id":"dorch-s58-flex-fuel-eca-kit","title":"Dorch Engineering S58 Flex Fuel ECA Kit","description":"\u003cp\u003e\u003cstrong\u003eDorch Engineering plug-and-play Flex Fuel ECA (Ethanol Content Adapter) kit for the S58.\u003c\/strong\u003e Reads ethanol content from a CAN-based Continental flex-fuel sensor and broadcasts the value directly to the DME — full flex fuel operation with no piggyback ECU, no datalog-and-flash dance, no fueling assumptions baked into the calibration.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this enables\u003c\/h3\u003e\n\u003cp\u003eThe S58 supports E85, E70, E30, and any pump-blend in between at the calibration level — but only if the DME knows the actual ethanol content of what's in the tank. Without a flex-fuel sensor, the calibration has to assume a fuel grade (typically 93 octane) and trim conservatively at sustained boost. With the Dorch ECA Kit installed and a Continental flex-fuel sensor in the fuel line, the DME reads ethanol percentage in real time and the Esse Werks Stage 2 \/ Stage 3 calibrations target full power on whatever blend you're running.\u003c\/p\u003e\n\n\u003ch3\u003eReal-world output difference\u003c\/h3\u003e\n\u003cp\u003eOwners running higher-ethanol blends report meaningfully more power than the same Stage 3 calibration on 93 octane — the flex-fuel infrastructure is what opens the upper end of the S58's tune-able envelope, because the DME is targeting real ethanol content instead of trimming around an assumed fuel grade.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDorch ECA controller (CAN-based, plug-and-play to the OEM DME wiring)\u003c\/li\u003e\n  \u003cli\u003eMounting hardware\u003c\/li\u003e\n  \u003cli\u003eInstallation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you ALSO need (sold separately)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eContinental flex-fuel sensor — plumbed into the fuel feed line\u003c\/li\u003e\n  \u003cli\u003eStainless fuel line fittings to match your existing fuel system\u003c\/li\u003e\n  \u003cli\u003eA calibration that supports flex fuel (Esse Werks Stage 2 or 3 S58 with flex fuel option selected at intake)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstall\u003c\/h3\u003e\n\u003cp\u003eA workshop job at a competent shop — see the spec row for the estimated install time. The ECA controller mounts in the engine bay or under-trim area. Flex-fuel sensor installation requires a fuel line tap (best done at the fuel filter or rail inlet). Calibration re-flash after install to enable flex fuel maps.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003e2021-2026 BMW G80 M3, G82 M4, G83 M4 Convertible. 2023+ G87 M2. 2020+ F97 X3 M, F98 X4 M. Confirm chassis at intake.\u003c\/p\u003e\n\u003cp\u003eIf you're sourcing fueling alongside the calibration, the \u003ca href=\"\/products\/fueling-kit-s58\"\u003eFueling Kit — S58\u003c\/a\u003e bundles the matched parts + tune for 8% under à la carte.\u003c\/p\u003e","brand":"Dorch Engineering","offers":[{"title":"Default Title","offer_id":43280695459901,"sku":"EW-FUEL-DORCH-S58-FLEX","price":1045.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/dorch_S58-ECA.webp?v=1781742887"},{"product_id":"spool-stage3-lpfp-s58","title":"Spool Performance Stage 3 Low-Pressure Fuel Pump — S58","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance Stage 3 low-pressure fuel pump for the S58 — the in-tank side that keeps a Stage 3 build fed.\u003c\/strong\u003e A big high-pressure pump is only as good as what feeds it; the factory in-tank (low-pressure) pump runs out of duty on E85 and high boost, and rail pressure drops up top. Spool's Stage 3 adds a boost-activated secondary in-tank pump, roughly doubling low-pressure flow.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA twin-pump in-tank upgrade: the factory pump plus a second pump that switches on under boost (boost\/Hobbs-switch activated), so cruise stays factory-quiet and the system only ramps when you're on it. Spool rates it to support 1,200+ whp. Supplied as a complete drop-in assembly; DIY and built-bucket formats are also available — ask if you'd prefer one.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; it pairs with an upgraded high-pressure (DI) pump so the HPFP is never starved. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 — G80\/G81 M3, G82\/G83 M4, G87 M2, F97 X3 M, F98 X4 M. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s58\"\u003eFueling Kit — S58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Assembled","offer_id":43280695722045,"sku":"SP-S58-DIYLPFP","price":935.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Spool_stage3_lpfp_jpg.png?v=1781742666"},{"product_id":"xona-xrc5557s-b48","title":"Xona XRC5557S — B48","description":"\u003cp\u003eThe Xona XRC5557S is a ball-bearing turbocharger built around the XR57S UHF splitter-blade turbine wheel. Compressor: 55mm inducer \/ 76mm exducer; 68 lb\/min rated flow; published range 300–680HP. The XRC5557S steps up from the XRC5357S with a larger compressor stage for increased peak flow capacity while sharing the same 57mm turbine outlet and UHF inertia-reduction design. Configured here for the BMW B48 as a single-turbo installation.\u003c\/p\u003e\n\u003cp\u003eTurbine housing — Material, Flange, and A\/R — is selected using the guided cascade above. Compressor cover (X2C or X3C) and SwainTech coating are also selected above.\u003c\/p\u003e\n\u003cp\u003eSwainTech White Lightning thermal barrier coating is available on the turbine housing (hot side), compressor housing (cold side), or both — add it via the Coating option. Ordered the BYO Core option? We will contact you after purchase with instructions for sending in your housing. Approximately three-week build turnaround from receipt of your core.\u003c\/p\u003e","brand":"Xona Rotor","offers":[{"title":"TiAL Stainless · V-Band · .82 ★ \/ X2C \/ No Coating","offer_id":43280697229373,"sku":null,"price":2516.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X2C \/ Turbine Housing (hot side)","offer_id":43280697262141,"sku":null,"price":2716.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X2C \/ Compressor Housing (cold side)","offer_id":43280697294909,"sku":null,"price":2716.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280697327677,"sku":null,"price":2866.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X2C \/ No Coating","offer_id":43280697360445,"sku":null,"price":2516.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X2C \/ Turbine Housing (hot side)","offer_id":43280697393213,"sku":null,"price":2716.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X2C \/ Compressor Housing (cold side)","offer_id":43280697425981,"sku":null,"price":2716.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280697458749,"sku":null,"price":2866.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X2C \/ No Coating","offer_id":43280697491517,"sku":null,"price":2516.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X2C \/ Turbine Housing (hot side)","offer_id":43280697524285,"sku":null,"price":2716.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X2C \/ Compressor Housing (cold side)","offer_id":43280697557053,"sku":null,"price":2716.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280697589821,"sku":null,"price":2866.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X2C \/ No Coating","offer_id":43280697622589,"sku":null,"price":2508.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X2C \/ Turbine Housing (hot side)","offer_id":43280697655357,"sku":null,"price":2708.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X2C \/ Compressor Housing (cold side)","offer_id":43280697688125,"sku":null,"price":2708.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280697720893,"sku":null,"price":2858.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X2C \/ No Coating","offer_id":43280697753661,"sku":null,"price":2508.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X2C \/ Turbine Housing (hot side)","offer_id":43280697786429,"sku":null,"price":2708.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X2C \/ Compressor Housing (cold side)","offer_id":43280697819197,"sku":null,"price":2708.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280697851965,"sku":null,"price":2858.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X2C \/ No Coating","offer_id":43280697884733,"sku":null,"price":1950.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X2C \/ Turbine Housing (hot side)","offer_id":43280697917501,"sku":null,"price":2150.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X2C \/ Compressor Housing (cold side)","offer_id":43280697950269,"sku":null,"price":2150.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280697983037,"sku":null,"price":2300.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X2C \/ No Coating","offer_id":43280698015805,"sku":null,"price":2545.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X2C \/ Turbine Housing (hot side)","offer_id":43280698048573,"sku":null,"price":2745.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X2C \/ Compressor Housing (cold side)","offer_id":43280698081341,"sku":null,"price":2745.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280698114109,"sku":null,"price":2895.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X3C \/ No Coating","offer_id":43280698146877,"sku":null,"price":2564.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X3C \/ Turbine Housing (hot side)","offer_id":43280698179645,"sku":null,"price":2764.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X3C \/ No Coating","offer_id":43280698212413,"sku":null,"price":2564.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X3C \/ Turbine Housing (hot side)","offer_id":43280698245181,"sku":null,"price":2764.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X3C \/ Compressor Housing (cold side)","offer_id":43280698277949,"sku":null,"price":2764.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280698310717,"sku":null,"price":2914.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X3C \/ Compressor Housing (cold side)","offer_id":43280698343485,"sku":null,"price":2764.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280698376253,"sku":null,"price":2914.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X3C \/ No Coating","offer_id":43280698409021,"sku":null,"price":2564.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X3C \/ Turbine Housing (hot side)","offer_id":43280698441789,"sku":null,"price":2764.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X3C \/ Compressor Housing (cold side)","offer_id":43280698474557,"sku":null,"price":2764.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280698507325,"sku":null,"price":2914.4,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X3C \/ No Coating","offer_id":43280698540093,"sku":null,"price":2556.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X3C \/ Turbine Housing (hot side)","offer_id":43280698572861,"sku":null,"price":2756.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X3C \/ Compressor Housing (cold side)","offer_id":43280698605629,"sku":null,"price":2756.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280698638397,"sku":null,"price":2906.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X3C \/ No Coating","offer_id":43280698671165,"sku":null,"price":2556.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X3C \/ Turbine Housing (hot side)","offer_id":43280698703933,"sku":null,"price":2756.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X3C \/ Compressor Housing (cold side)","offer_id":43280698736701,"sku":null,"price":2756.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280698769469,"sku":null,"price":2906.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X3C \/ No Coating","offer_id":43280698802237,"sku":null,"price":1998.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X3C \/ Turbine Housing (hot side)","offer_id":43280698835005,"sku":null,"price":2198.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X3C \/ Compressor Housing (cold side)","offer_id":43280698867773,"sku":null,"price":2198.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280698900541,"sku":null,"price":2348.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X3C \/ No Coating","offer_id":43280698933309,"sku":null,"price":2593.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X3C \/ Turbine Housing (hot side)","offer_id":43280698966077,"sku":null,"price":2793.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X3C \/ Compressor Housing (cold side)","offer_id":43280698998845,"sku":null,"price":2793.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280699031613,"sku":null,"price":2943.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Gemini_Generated_Image_ubethuubethuubet.png?v=1781743119"},{"product_id":"er-comp-catless-dp-s58","title":"Evolution Racewerks Competition Series Catless Downpipes — S58 (G80 M3 \/ G82 M4 \/ G87 M2)","description":"\u003cp\u003e\u003cstrong\u003eEvolution Racewerks Competition Series catless downpipes for the twin-turbo S58 — G80 M3, G82 M4, and G87 M2.\u003c\/strong\u003e The S58's primary catalytic converters live in the downpipe section, and on a tuned car they are the biggest post-turbo restriction. These replace both downpipes with straight, catless 3\" stainless.\u003c\/p\u003e\n\u003ch3\u003eWhy a downpipe on the S58\u003c\/h3\u003e\n\u003cp\u003eAt Stage 2 boost the factory cats cap how fast exhaust can leave the turbines. Removing them drops post-turbo backpressure, tightens spool, and lets an Esse Werks calibration use the airflow the engine can actually move.\u003c\/p\u003e\n\u003ch3\u003eWhat Evolution Racewerks builds in\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMandrel-bent 3\" piping, 100% T304 stainless steel\u003c\/li\u003e\n\u003cli\u003eCNC-machined billet 304 stainless V-band turbo flange (matches the factory 3.5\" V-band)\u003c\/li\u003e\n\u003cli\u003eRetains the factory O2 sensor location and factory donut connection — bolt-on\u003c\/li\u003e\n\u003cli\u003e100% TIG-welded; made in the USA at Evolution Racewerks' California facility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFinishes\u003c\/h3\u003e\n\u003cp\u003eBrush, Polish, or our signature \u003cstrong\u003eSwainTech White Lightning\u003c\/strong\u003e ceramic coating — choose above.\u003c\/p\u003e\n\u003ch3\u003eSwainTech White Lightning — our signature coating\u003c\/h3\u003e\n\u003cp\u003eWhen we coat a part, we use one coating: SwainTech White Lightning — a true ceramic thermal barrier applied about 0.015\" thick (versus roughly 0.002\" for paint-style \"ceramic\" finishes) and sprayed molten so it bonds to the metal instead of sitting on top. It cuts radiant heat off the exhaust by roughly 35–55%, dropping underhood and intake temperatures, and keeps heat inside the pipe where it sustains exhaust velocity and scavenging. And it's white — a deliberate signature in a market that otherwise all looks the same in black. Select it above.\u003c\/p\u003e\n\u003ch3\u003eFull S58 exhaust path\u003c\/h3\u003e\n\u003cp\u003eDownpipes, mid-pipe, and crossover each replace a different section — pair them for a complete S58 exhaust. The catted Sports Series downpipe is the street, CEL-clean alternative to this catless version.\u003c\/p\u003e\n\u003ch3\u003eCalifornia restriction\u003c\/h3\u003e\n\u003cp\u003eThis is a race\/competition part. Not for sale, installation, or use on pollution-controlled vehicles in California — 49-state product; a Vehicle Compliance Waiver is signed at order intake. International orders ship without restriction.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eTwin-turbo S58 — G80 M3, G82 M4, G87 M2 (2021+ M3\/M4, 2023+ M2). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eThis part is the downpipe-side core of every S58 Stage 2 build. The \u003ca href=\"\/products\/stage-2-kit-s58\"\u003eStage 2 Kit — S58\u003c\/a\u003e packages the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Evolution Racewerks","offers":[{"title":"Brush Finish","offer_id":43280701751357,"sku":"BM-EXH028S","price":1285.0,"currency_code":"USD","in_stock":true},{"title":"Polish Finish","offer_id":43280701784125,"sku":"BM-EXH028P","price":1385.0,"currency_code":"USD","in_stock":true},{"title":"SwainTech White Lightning","offer_id":43280701816893,"sku":"BM-EXH028TB","price":1535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/ER__competition-series-catless-downpipes-m2-m3-m4-s58-engine_01.webp?v=1781743119"},{"product_id":"er-sport-catted-dp-s58","title":"Evolution Racewerks Sports Series High-Flow Catted Downpipes — S58 (G80 M3 \/ G82 M4 \/ G87 M2)","description":"\u003cp\u003e\u003cstrong\u003eEvolution Racewerks Sports Series high-flow catted downpipes for the twin-turbo S58 — G80 M3, G82 M4, and G87 M2.\u003c\/strong\u003e These replace the restrictive factory primary cats with high-flow 200-cell metallic catalysts — most of the flow of a catless pipe while keeping a catalyst in the system.\u003c\/p\u003e\n\u003ch3\u003eCatted vs catless\u003c\/h3\u003e\n\u003cp\u003eThe 200-cell metallic cats clear emissions monitoring on the stock calibration (no check-engine light) and keep the car street-civil, where the catless Competition downpipes are race-only and trigger a CEL until the tune clears it. For most street-driven S58 builds the catted pipe is the daily-friendly choice.\u003c\/p\u003e\n\u003ch3\u003eWhat Evolution Racewerks builds in\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMandrel-bent 3\" piping, 100% T304 stainless steel\u003c\/li\u003e\n\u003cli\u003eHigh-flow 200-cell metallic catalytic converters\u003c\/li\u003e\n\u003cli\u003eCNC-machined billet 304 stainless V-band turbo flange (factory 3.5\" V-band); retains factory O2 location — bolt-on\u003c\/li\u003e\n\u003cli\u003e100% TIG-welded; made in the USA at Evolution Racewerks' California facility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFinishes\u003c\/h3\u003e\n\u003cp\u003eBrush, Polish, or our signature \u003cstrong\u003eSwainTech White Lightning\u003c\/strong\u003e ceramic coating — choose above.\u003c\/p\u003e\n\u003ch3\u003eSwainTech White Lightning — our signature coating\u003c\/h3\u003e\n\u003cp\u003eWhen we coat a part, we use one coating: SwainTech White Lightning — a true ceramic thermal barrier applied about 0.015\" thick (versus roughly 0.002\" for paint-style \"ceramic\" finishes) and sprayed molten so it bonds to the metal instead of sitting on top. It cuts radiant heat off the exhaust by roughly 35–55%, dropping underhood and intake temperatures, and keeps heat inside the pipe where it sustains exhaust velocity and scavenging. And it's white — a deliberate signature in a market that otherwise all looks the same in black. Select it above.\u003c\/p\u003e\n\u003ch3\u003eFull S58 exhaust path\u003c\/h3\u003e\n\u003cp\u003ePair with the Evolution Racewerks S58 mid-pipe and crossover for a complete exhaust. The catless Competition downpipe is the race alternative to this catted version.\u003c\/p\u003e\n\u003ch3\u003eCalifornia restriction\u003c\/h3\u003e\n\u003cp\u003eSold for off-road\/competition use. Not for sale, installation, or use on pollution-controlled vehicles in California — 49-state product; Vehicle Compliance Waiver signed at order intake. International orders ship without restriction.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eTwin-turbo S58 — G80 M3, G82 M4, G87 M2 (2021+ M3\/M4, 2023+ M2). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/stage-2-kit-s58\"\u003eStage 2 Kit — S58\u003c\/a\u003e packages the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Evolution Racewerks","offers":[{"title":"Brush Finish","offer_id":43280701849661,"sku":"BM-EXH028SCAT","price":2335.0,"currency_code":"USD","in_stock":true},{"title":"Polish Finish","offer_id":43280701882429,"sku":"BM-EXH028PCAT","price":2435.0,"currency_code":"USD","in_stock":true},{"title":"SwainTech White Lightning","offer_id":43280701915197,"sku":"BM-EXH028TBCAT","price":2585.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Gemini_Generated_Image_bz3c8ebz3c8ebz3c.png?v=1781743119"},{"product_id":"er-crossover-pipe-s58","title":"Evolution Racewerks Crossover Pipe — S58 (G80 M3 \/ G82 M4 \/ G87 M2)","description":"\u003cp\u003e\u003cstrong\u003eEvolution Racewerks crossover pipe for the twin-turbo S58 — G80 M3, G82 M4, and G87 M2.\u003c\/strong\u003e The crossover is the under-transmission section that ties the downpipe side into the mid-pipe. The factory part is squeezed into an oval for clearance and uses heavy cast sections, which adds turbulence and weight.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eMandrel-bent 3\" piping kept full-round for a smoother path, 100% T304 stainless, CNC-machined billet 304 stainless flanges, 100% TIG-welded. Bolt-on, and lighter than the cast factory assembly. Made in the USA at Evolution Racewerks' California facility.\u003c\/p\u003e\n\u003ch3\u003eFinishes\u003c\/h3\u003e\n\u003cp\u003eBrush, Polish, or our signature \u003cstrong\u003eSwainTech White Lightning\u003c\/strong\u003e ceramic coating — choose above.\u003c\/p\u003e\n\u003ch3\u003eSwainTech White Lightning — our signature coating\u003c\/h3\u003e\n\u003cp\u003eWhen we coat a part, we use one coating: SwainTech White Lightning — a true ceramic thermal barrier applied about 0.015\" thick (versus roughly 0.002\" for paint-style \"ceramic\" finishes) and sprayed molten so it bonds to the metal instead of sitting on top. It cuts radiant heat off the exhaust by roughly 35–55%, dropping underhood and intake temperatures, and keeps heat inside the pipe where it sustains exhaust velocity and scavenging. And it's white — a deliberate signature in a market that otherwise all looks the same in black. Select it above.\u003c\/p\u003e\n\u003ch3\u003eWhere it sits in the system\u003c\/h3\u003e\n\u003cp\u003eThe crossover is one section of the S58 exhaust path: downpipes → crossover → mid-pipe. It carries no catalyst and is sold as part of a competition exhaust system; pair it with the Evolution Racewerks S58 downpipes and mid-pipe for the full run.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eTwin-turbo S58 — G80 M3, G82 M4, G87 M2 (2021+ M3\/M4, 2023+ M2). Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Evolution Racewerks","offers":[{"title":"Brush Finish","offer_id":43280701947965,"sku":"BM-EXH028S-CR","price":505.0,"currency_code":"USD","in_stock":true},{"title":"Polish Finish","offer_id":43280701980733,"sku":"BM-EXH028P-CR","price":555.0,"currency_code":"USD","in_stock":true},{"title":"SwainTech White Lightning","offer_id":43280702013501,"sku":"BM-EXH028TB-CR","price":755.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/er-crossover-pipe-s58-01.webp?v=1781743118"},{"product_id":"tune-g82-m4","title":"BMW G82 M4 — Custom BM3 Tune (S58)","description":"\u003cp\u003e\u003cstrong\u003eLogged, verified, revised. Documented in writing. Yours to keep.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA custom bootmod3 calibration for the G82 (S58) — built from datalogs on your car, not a map off a shelf. We start from what your engine is actually doing in fuel trims, timing, knock, and load, and revise against the next log until the math and the data agree.\u003c\/p\u003e\n\u003ch3\u003eHow we approach it\u003c\/h3\u003e\n\u003cp\u003eMath first, datalogs second, marketing claims a distant last. We don’t publish dyno numbers we can’t reproduce; we tune to what your specific car does on the fuel you actually buy.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/configure\"\u003eConfigure your tune →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThe matched Stage Kit for this engine — components + the calibration sold as one decision — is the \u003ca href=\"\/products\/stage-2-kit-s58\"\u003eStage 2 Kit — S58\u003c\/a\u003e. 8% under buying the parts and tune à la carte.\u003c\/p\u003e","brand":"Esse Werks","offers":[{"title":"Stage 1","offer_id":43280702046269,"sku":"EW-TUNE-G82-M4-G82-S1","price":495.0,"currency_code":"USD","in_stock":true},{"title":"Stage 2","offer_id":43280702079037,"sku":"EW-TUNE-G82-M4-G82-S2","price":595.0,"currency_code":"USD","in_stock":true},{"title":"Stage 3","offer_id":43280702111805,"sku":"EW-TUNE-G82-M4-G82-S3","price":895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/tune-card-s58_5d441692-835c-4525-ad73-36e8346d6793.png?v=1781742509"},{"product_id":"aa-signature-downpipe-s58","title":"Active Autowerke Signature Downpipes w\/ GESI Cat — S58","description":"\u003cp\u003e\u003cstrong\u003eActive Autowerke Signature GESI-catted downpipes for the S58 — G8x M3 \/ M4 \/ M2.\u003c\/strong\u003e The first step of the S58 exhaust and the downpipe-side core of a Stage 2 build.\u003c\/p\u003e\n\u003ch3\u003eConstruction\u003c\/h3\u003e\n\u003cp\u003eTIG-welded 304 stainless with stainless flex joints and a casted upper V-band; 3\" piping that never drops below the factory 70mm, with a pair of 4.5\" GESI G-Sport Ultra High Output catalytic converters — EPA-registered, 49-state \/ OBD2, no CEL. Not California-legal.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eDownpipe-side core of an S58 Stage 2 build; we calibrate around it. The \u003ca href=\"\/products\/stage-2-kit-s58\"\u003eStage 2 Kit — S58\u003c\/a\u003e bundles parts + tune for 8% under à la carte.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW S58 — G80\/G81 M3, G82\/G83 M4, G87 M2. Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Catted (GESI)","offer_id":43280704274493,"sku":"11-085","price":3665.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Gemini_Generated_Image_trvc55trvc55trvc.png?v=1781743118"},{"product_id":"aa-midpipe-s58-equal-length","title":"Active Autowerke Signature Equal-Length Mid-Pipe w\/ G-Brace — S58","description":"\u003cp\u003e\u003cstrong\u003eActive Autowerke Signature equal-length mid-pipe with G-brace for the S58 — G80 M3, G82 M4.\u003c\/strong\u003e The factory mid-pipe leaves the two cylinder banks unequal in length, so the straight-six's pulses arrive out of step — the source of the S58's rasp. This corrects it.\u003c\/p\u003e\n\u003ch3\u003eThe design\u003c\/h3\u003e\n\u003cp\u003eA patented equal-length design (US 11,248,511; EU\/UK 3,882,441) that matches both banks for a smooth, cohesive straight-six tone. This Gen 2 adds resonators that strip the rasp, cut the 2,000-rpm drone, and quiet the cold-start rattle. 100% 304 brushed stainless.\u003c\/p\u003e\n\u003ch3\u003eG-brace included\u003c\/h3\u003e\n\u003cp\u003eShips with Active Autowerke's G-brace, which restores transmission-tunnel rigidity once the factory mid-section is removed.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits\u003c\/h3\u003e\n\u003cp\u003eSits between the S58 downpipes and the rear exhaust. Off-road \/ race use only.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW S58 — G80 M3, G82 M4 (incl. Competition). Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":43280709812285,"sku":"AA-MP-S58-EL","price":2065.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/AA_Sig_Equal_Midpipe_Brace_01.webp?v=1781743119"},{"product_id":"aa-midpipe-s58-single-x","title":"Active Autowerke Signature X-Pipe Mid-Pipe — S58 (G80 M3 \/ G82 M4)","description":"\u003cp\u003e\u003cstrong\u003eActive Autowerke Signature X-pipe mid-pipe for the S58 — G80 M3, G82 M4.\u003c\/strong\u003e A true crossover (X) section between the downpipes and the rear exhaust — it scavenges across the banks for a deeper, fuller tone and strong flow.\u003c\/p\u003e\n\u003ch3\u003eThe design\u003c\/h3\u003e\n\u003cp\u003eAn X-pipe crossover in 304 stainless. Run it straight-through for maximum volume and flow, or with secondary cats to take the edge off the volume and clean up the tone. It's the rowdier counterpart to our equal-length mid-pipe — deeper and louder; the equal-length is the pick for a smoother, more refined note.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits\u003c\/h3\u003e\n\u003cp\u003eSits between the S58 downpipes and the rear exhaust. Off-road \/ race use only.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW S58 — G80 M3, G82 M4. Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":43280709845053,"sku":"AA-MP-S58-X","price":1725.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/AA_G80_Sig_Xpipe_Midpipe_01.webp?v=1781743118"},{"product_id":"csf-cac-s58","title":"CSF \"Level-Up\" Charge-Air-Cooler Manifold — S58 (G8x M3\/M4, G87 M2, X3 M \/ X4 M)","description":"\u003cp\u003e\u003cstrong\u003eCSF \"Level-Up\" charge-air-cooler manifold for the S58 — G80 M3, G82 M4, G87 M2, and F97 X3 M \/ F98 X4 M.\u003c\/strong\u003e A billet intake manifold (CSF by PWR) with an integrated bar-and-plate water-to-air charge cooler that replaces the OEM plastic manifold and its failure-prone tube-and-fin core.\u003c\/p\u003e\n\u003ch3\u003eWhat CSF changes\u003c\/h3\u003e\n\u003cp\u003eThe PWR bar-and-plate core is pressure-tested to 120 psi (the OEM core is prone to failing past ~27 psi), and CSF measures about a 30°F drop in intake temps versus stock. CNC-billet tanks, a top-feed port-injection fuel rail (block-off caps included), per-runner nitrous\/methanol ports, and an included KIYLEX thermal-rejection manifold spacer. Made in the USA.\u003c\/p\u003e\n\u003ch3\u003eFinishes\u003c\/h3\u003e\n\u003cp\u003eDefault is the \u003cstrong\u003eThermal Heat Dispersion coating\u003c\/strong\u003e — an emissivity coating that helps the part shed heat. Also available Raw, or in Esse Werks colors — Black, White, or Orange. Choose above.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 — G80 M3, G82 M4, G83 M4 (incl. Competition \/ xDrive), G87 M2, and F97 X3 M \/ F98 X4 M. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eThis is the charge-cooler-side core of an S58 Stage 2 build. The \u003ca href=\"\/products\/stage-2-kit-s58\"\u003eStage 2 Kit — S58\u003c\/a\u003e packages the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Thermal Heat Dispersion","offer_id":43280712794173,"sku":"CSF 8233","price":8695.0,"currency_code":"USD","in_stock":true},{"title":"Raw","offer_id":43280712826941,"sku":"CSF 8233","price":8495.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":43280712859709,"sku":"CSF 8233","price":8495.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":43280712892477,"sku":"CSF 8233","price":8695.0,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":43280712925245,"sku":"CSF 8233","price":8695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/csf_s58-level-up-charge-intake.webp?v=1781742886"},{"product_id":"csf-hx-s58","title":"CSF Front-Mount Heat Exchanger — S58 (G80 M3 \/ G82 M4 \/ G87 M2)","description":"\u003cp\u003e\u003cstrong\u003eCSF front-mount heat exchanger for the S58 — the heat-rejection side of the charge-air cooling system in the G8x M3\/M4 and G87 M2.\u003c\/strong\u003e The S58 cools its intake charge through a coolant loop; this front radiator is what removes that heat. The factory exchanger is a single-row, 35mm core with plastic tanks — fine stock, the limiter once the car is making more and seeing repeat pulls or track time.\u003c\/p\u003e\n\u003ch3\u003eWhat CSF changes\u003c\/h3\u003e\n\u003cp\u003eA 2-row, 42mm all-aluminum core with B-Tube geometry and TIG-welded aluminum tanks in place of the OEM plastic\/crimp construction. Ships with upper and lower rock guards and a transmission-cooler mounting kit, and drops into the factory location. CSF developed it over 100+ track hours.\u003c\/p\u003e\n\u003ch3\u003eFinishes\u003c\/h3\u003e\n\u003cp\u003eWe spec these with a \u003cstrong\u003eThermal Heat Dispersion coating by default\u003c\/strong\u003e — an emissivity coating that helps the core radiate heat away, which is exactly what you want on a cooler. Prefer to skip it? Raw or Black are available for less. Choose above.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 — G80\/G81 M3 (incl. Competition, CS), G82\/G83 M4 (incl. Competition, CSL), and G87 M2 \/ M2 CS. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eThis is the heat-exchanger-side core of an S58 Stage 2 build. The \u003ca href=\"\/products\/stage-2-kit-s58\"\u003eStage 2 Kit — S58\u003c\/a\u003e packages the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Thermal Heat Dispersion","offer_id":43280714891325,"sku":"CSF 8215","price":1105.0,"currency_code":"USD","in_stock":true},{"title":"Raw","offer_id":43280714924093,"sku":"CSF 8215","price":905.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":43280714956861,"sku":"CSF 8215","price":905.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/csf-hx-s58.webp?v=1781742886"},{"product_id":"mishimoto-charge-pipe-s58","title":"Mishimoto Performance Charge Pipe Kit — S58","description":"\u003cp\u003e\u003cstrong\u003eMishimoto performance charge pipe kit for the S58 — G80 M3, G82\/G83 M4, X3 M \/ X4 M.\u003c\/strong\u003e Replaces the OEM plastic merge and rubber sections with cast aluminum and silicone.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eTwo aluminum charge pipes, two CNC adapters, an aluminum spacer, three silicone couplers, grommets, clamps, and hardware. Cast-aluminum merge in place of the plastic OEM part; retains the flexibility of the OEM front section with durable silicone. Mishimoto rates it 27% less restrictive than stock and good to 60 psi \/ 1,000 hp.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits\u003c\/h3\u003e\n\u003cp\u003eInduction-side hardware on an S58 Stage 2 build — we tune to the supporting mods.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW S58 — G80 M3, G82\/G83 M4, F97 X3 M, F98 X4 M, 2021+. Confirm your chassis.\u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eMishimoto Lifetime Warranty. Part no. MMICP-G80-21.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/stage-2-kit-s58\"\u003eStage 2 Kit — S58\u003c\/a\u003e bundles parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Mishimoto","offers":[{"title":"Wrinkle Black","offer_id":43280716038205,"sku":"MMICP-G80-21","price":955.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/mishimoto-charge-pipe-s58.webp?v=1781742886"},{"product_id":"xona-xrc5557s-s58","title":"Xona XRC5557S — S58 Matched Pair (×2)","description":"\u003cp\u003eThe Xona XRC5557S is a ball-bearing turbocharger built around the XR57S UHF splitter-blade turbine wheel. Compressor: 55mm inducer \/ 76mm exducer; 68 lb\/min rated flow; published range 300–680HP. This listing is a matched pair for the S58 — price covers two identical turbos, one per bank. Both units ship with the same housing configuration selected above.\u003c\/p\u003e\n\u003cp\u003eAll prices shown are for the complete matched pair. Turbine housing — Material, Flange, and A\/R — is selected using the guided cascade above. Compressor cover (X2C or X3C) and SwainTech coating are also selected above. Coating prices shown cover both housings on both turbos.\u003c\/p\u003e\n\u003cp\u003eSwainTech White Lightning thermal barrier coating is available on the turbine housings (hot side), compressor housings (cold side), or all four housings — pricing shown is per the matched pair. Ordered BYO Core? We will contact you after purchase. Ship both cores together and mark the box with your order number. Approximately three-week build turnaround from receipt.\u003c\/p\u003e","brand":"Xona Rotor","offers":[{"title":"TiAL Stainless · V-Band · .82 ★ \/ X2C \/ No Coating","offer_id":43280732586045,"sku":null,"price":5032.8,"currency_code":"USD","in_stock":true},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X2C \/ Turbine Housing (hot side)","offer_id":43280732618813,"sku":null,"price":5432.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X2C \/ Compressor Housing (cold side)","offer_id":43280732651581,"sku":null,"price":5432.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280732684349,"sku":null,"price":5732.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X2C \/ No Coating","offer_id":43280732717117,"sku":null,"price":5032.8,"currency_code":"USD","in_stock":true},{"title":"TiAL Stainless · V-Band · .63 \/ X2C \/ Turbine Housing (hot side)","offer_id":43280732749885,"sku":null,"price":5432.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X2C \/ Compressor Housing (cold side)","offer_id":43280732782653,"sku":null,"price":5432.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280732815421,"sku":null,"price":5732.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X2C \/ No Coating","offer_id":43280732848189,"sku":null,"price":5032.8,"currency_code":"USD","in_stock":true},{"title":"TiAL Stainless · V-Band · 1.03 \/ X2C \/ Turbine Housing (hot side)","offer_id":43280732880957,"sku":null,"price":5432.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X2C \/ Compressor Housing (cold side)","offer_id":43280732913725,"sku":null,"price":5432.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280732946493,"sku":null,"price":5732.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X2C \/ No Coating","offer_id":43280732979261,"sku":null,"price":5016.0,"currency_code":"USD","in_stock":true},{"title":"TiAL Stainless · T3 · .63 \/ X2C \/ Turbine Housing (hot side)","offer_id":43280733012029,"sku":null,"price":5416.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X2C \/ Compressor Housing (cold side)","offer_id":43280733044797,"sku":null,"price":5416.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280733077565,"sku":null,"price":5716.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X2C \/ No Coating","offer_id":43280733110333,"sku":null,"price":5016.0,"currency_code":"USD","in_stock":true},{"title":"TiAL Stainless · T3 · .82 \/ X2C \/ Turbine Housing (hot side)","offer_id":43280733143101,"sku":null,"price":5416.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X2C \/ Compressor Housing (cold side)","offer_id":43280733175869,"sku":null,"price":5416.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280733208637,"sku":null,"price":5716.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X2C \/ No Coating","offer_id":43280733241405,"sku":null,"price":3900.0,"currency_code":"USD","in_stock":true},{"title":"Super Core Only \/ X2C \/ Turbine Housing (hot side)","offer_id":43280733274173,"sku":null,"price":4300.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X2C \/ Compressor Housing (cold side)","offer_id":43280733306941,"sku":null,"price":4300.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280733339709,"sku":null,"price":4600.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X2C \/ No Coating","offer_id":43280733372477,"sku":null,"price":5090.0,"currency_code":"USD","in_stock":true},{"title":"BYO Core — send us your housing \/ X2C \/ Turbine Housing (hot side)","offer_id":43280733405245,"sku":null,"price":5490.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X2C \/ Compressor Housing (cold side)","offer_id":43280733438013,"sku":null,"price":5490.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X2C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280733470781,"sku":null,"price":5790.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X3C \/ No Coating","offer_id":43280733503549,"sku":null,"price":5128.8,"currency_code":"USD","in_stock":true},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X3C \/ Turbine Housing (hot side)","offer_id":43280733536317,"sku":null,"price":5528.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X3C \/ Compressor Housing (cold side)","offer_id":43280733569085,"sku":null,"price":5528.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .82 ★ \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280733601853,"sku":null,"price":5828.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X3C \/ No Coating","offer_id":43280733634621,"sku":null,"price":5128.8,"currency_code":"USD","in_stock":true},{"title":"TiAL Stainless · V-Band · .63 \/ X3C \/ Turbine Housing (hot side)","offer_id":43280733667389,"sku":null,"price":5528.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X3C \/ Compressor Housing (cold side)","offer_id":43280733700157,"sku":null,"price":5528.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · .63 \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280733732925,"sku":null,"price":5828.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X3C \/ No Coating","offer_id":43280733765693,"sku":null,"price":5128.8,"currency_code":"USD","in_stock":true},{"title":"TiAL Stainless · V-Band · 1.03 \/ X3C \/ Turbine Housing (hot side)","offer_id":43280733798461,"sku":null,"price":5528.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X3C \/ Compressor Housing (cold side)","offer_id":43280733831229,"sku":null,"price":5528.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · V-Band · 1.03 \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280733863997,"sku":null,"price":5828.8,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X3C \/ No Coating","offer_id":43280733896765,"sku":null,"price":5112.0,"currency_code":"USD","in_stock":true},{"title":"TiAL Stainless · T3 · .63 \/ X3C \/ Turbine Housing (hot side)","offer_id":43280733929533,"sku":null,"price":5512.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X3C \/ Compressor Housing (cold side)","offer_id":43280733962301,"sku":null,"price":5512.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .63 \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280733995069,"sku":null,"price":5812.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X3C \/ No Coating","offer_id":43280734027837,"sku":null,"price":5112.0,"currency_code":"USD","in_stock":true},{"title":"TiAL Stainless · T3 · .82 \/ X3C \/ Turbine Housing (hot side)","offer_id":43280734060605,"sku":null,"price":5512.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X3C \/ Compressor Housing (cold side)","offer_id":43280734093373,"sku":null,"price":5512.0,"currency_code":"USD","in_stock":false},{"title":"TiAL Stainless · T3 · .82 \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280734126141,"sku":null,"price":5812.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X3C \/ No Coating","offer_id":43280734158909,"sku":null,"price":3996.0,"currency_code":"USD","in_stock":true},{"title":"Super Core Only \/ X3C \/ Turbine Housing (hot side)","offer_id":43280734191677,"sku":null,"price":4396.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X3C \/ Compressor Housing (cold side)","offer_id":43280734224445,"sku":null,"price":4396.0,"currency_code":"USD","in_stock":false},{"title":"Super Core Only \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280734257213,"sku":null,"price":4696.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X3C \/ No Coating","offer_id":43280734289981,"sku":null,"price":5186.0,"currency_code":"USD","in_stock":true},{"title":"BYO Core — send us your housing \/ X3C \/ Turbine Housing (hot side)","offer_id":43280734322749,"sku":null,"price":5586.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X3C \/ Compressor Housing (cold side)","offer_id":43280734355517,"sku":null,"price":5586.0,"currency_code":"USD","in_stock":false},{"title":"BYO Core — send us your housing \/ X3C \/ Both Turbine \u0026 Compressor Housings","offer_id":43280734388285,"sku":null,"price":5886.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Xona_XRC5557S_pair_01.webp?v=1781743119"},{"product_id":"aa-midpipe-s58-single","title":"Active Autowerke Signature Single Mid-Pipe — S58 (G80 M3 \/ G82 M4)","description":"\u003cp\u003e\u003cstrong\u003eActive Autowerke Signature single (merge) mid-pipe for the S58 — G80 M3, G82 M4.\u003c\/strong\u003e Merges the two banks into one large-diameter pipe right after the downpipes — maximum flow and the deepest, most aggressive tone in the S58 mid-pipe lineup.\u003c\/p\u003e\n\u003ch3\u003eThe design\u003c\/h3\u003e\n\u003cp\u003eA single large-bore merge in 304 stainless, with the G-brace to restore tunnel rigidity once the factory mid-section is out. Louder and deeper than the X-pipe or the equal-length — the choice when you want the car to sound unmistakably built. (No secondary-cat option on the single-merge.)\u003c\/p\u003e\n\u003ch3\u003eChoosing your mid-pipe\u003c\/h3\u003e\n\u003cp\u003eEqual-length = smoothest and most refined; X-pipe = deeper, with an optional secondary-cat version; single-merge (this one) = loudest and most aggressive.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits\u003c\/h3\u003e\n\u003cp\u003eSits between the S58 downpipes and the rear exhaust. Off-road \/ race use only.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW S58 — G80 M3, G82 M4. Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":43280747397181,"sku":"AA-MP-S58-SINGLE","price":1438.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/AA_G80_Sig_Single_Midpipe_Brace_01.webp?v=1781743119"}],"url":"https:\/\/essewerks.com\/collections\/chassis-g82.oembed","provider":"Esse Werks","version":"1.0","type":"link"}