{"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","url":"https:\/\/essewerks.com\/products\/er-sport-catted-dp-s58","provider":"Esse Werks","version":"1.0","type":"link"}