{"product_id":"aa-downpipe-n20-n26","title":"Active Autowerke Downpipe — N20 \/ N26","description":"\u003cp\u003e\u003cstrong\u003eActive Autowerke catted downpipe for the N20 \/ N26 — the post-turbo restriction, opened.\u003c\/strong\u003e The factory downpipe and dense cat choke spool and flow on the gating part of the exhaust. Active Autowerke's replacement clears it while keeping a high-flow catalytic converter in the pipe — the street-friendly route to a Stage 2 calibration.\u003c\/p\u003e\n\u003ch3\u003eConstruction\u003c\/h3\u003e\n\u003cp\u003e3.5\" 304 stainless with a 4\" GESI G-Sport High Output (HO-Series Gen 2) catalytic converter — 304 stainless through the substrate, EPA-registered and 49-state \/ OBD2 compliant, engineered not to throw a check-engine light. Not legal in California.\u003c\/p\u003e\n\u003ch3\u003eEngine-matched — enter your VIN\u003c\/h3\u003e\n\u003cp\u003eThe N20 and N26 use different downpipes that do not interchange. Add your VIN at checkout and we match and ship the correct unit for your car.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eThe downpipe is the gateway to Stage 2 on the N20\/N26 — and we build the calibration around it.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW N20 \/ N26 — 228i (F22\/F23), 328i (F30\/F31), 428i (F32\/F33\/F36), 2012 and up. Confirm your chassis in the selector; we VIN-match the correct N20 vs N26 unit.\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Catted (GESI)","offer_id":43280702406717,"sku":"11-079","price":1835.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Gemini_Generated_Image_hrgjx6hrgjx6hrgj.png?v=1781743119","url":"https:\/\/essewerks.com\/products\/aa-downpipe-n20-n26","provider":"Esse Werks","version":"1.0","type":"link"}