{"product_id":"active-autowerke-bmw-b58-gen-3-x-body-catted-downpipe-2025-and-newer","title":"Active Autowerke BMW B58 Gen 3 G-Series Catted Downpipe (2025+)","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eHigh-performance catted exhaust downpipe for the single-turbo B58 Gen 3 (B58N) equipped BMW X-body platform. \u003cstrong\u003eThis is not for M340i and M440i B58N Gen 3 models, which use a different downpipe incorporating a new GPF (Gasoline Particulate Filter).\u003c\/strong\u003e No performance tune is needed for this downpipe.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e5\" diameter stainless steel piping, tapering to a stainless flex joint and down to 80mm to meet the OEM exhaust system — never drops below the stock 80mm diameter\u003c\/li\u003e\n\u003cli\u003eCasted upper stainless steel V-Band for precise fitment\u003c\/li\u003e\n\u003cli\u003eQuicker turbo spool\u003c\/li\u003e\n\u003cli\u003eDurable construction from TIG welded 304 stainless steel, 1.5mm wall thickness\u003c\/li\u003e\n\u003cli\u003eEasily bolts on, no cutting or welding required\u003c\/li\u003e\n\u003cli\u003eMade in Miami, Florida\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x catted downpipe with 5\" GESI high-flow catalytic converter\u003c\/li\u003e\n\u003cli\u003eTurbo flange gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe GESI G-Sport Ultra High Output catalytic converter features full 304 stainless steel construction including the substrate, is EPA registered and OBD2 compliant for 1996-and-newer vehicles, and is rated for up to 1,000hp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot legal for use on vehicles registered in California\u003c\/strong\u003e per California Vehicle Code Section 27156 and 38391 — meets EPA, not CARB, standards.\u003c\/li\u003e\n\u003cli\u003eCovered by a 5-year\/50,000-mile warranty on shell and tube ends and a 2-year\/25,000-mile warranty on the catalytic core to the original purchaser only; warranty is void if the vehicle has excessive burble (greater than stock), as this physically destroys the catalytic core.\u003c\/li\u003e\n\u003cli\u003eNo performance tune is needed for this downpipe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot for M340i\/M440i Gen 3 (B58N)\u003c\/strong\u003e — those use a different downpipe incorporating a GPF. Fitment applies to US-model cars only unless specifically stated.\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/Active_20Autowerke_20-_20Catalytic_20Converter_20-Break-In-_20Instructions.pdf?v=1785359499\" target=\"_blank\"\u003eCatalytic converter break-in procedure (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e11-062N\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3 40i\u003c\/td\u003e\n\u003ctd\u003eG01\u003c\/td\u003e\n\u003ctd\u003eB58N (Gen 3)\u003c\/td\u003e\n\u003ctd\u003e2025+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX5 40i\u003c\/td\u003e\n\u003ctd\u003eG05\u003c\/td\u003e\n\u003ctd\u003eB58N (Gen 3)\u003c\/td\u003e\n\u003ctd\u003e2025+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX7 40i\u003c\/td\u003e\n\u003ctd\u003eG07\u003c\/td\u003e\n\u003ctd\u003eB58N (Gen 3)\u003c\/td\u003e\n\u003ctd\u003e2025+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e540i\u003c\/td\u003e\n\u003ctd\u003eG60\u003c\/td\u003e\n\u003ctd\u003eB58N (Gen 3)\u003c\/td\u003e\n\u003ctd\u003e2024+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e640i\u003c\/td\u003e\n\u003ctd\u003eG32\u003c\/td\u003e\n\u003ctd\u003eB58N (Gen 3)\u003c\/td\u003e\n\u003ctd\u003e2025+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e740i\u003c\/td\u003e\n\u003ctd\u003eG70\u003c\/td\u003e\n\u003ctd\u003eB58N (Gen 3)\u003c\/td\u003e\n\u003ctd\u003e2025+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: not compatible with M340i or M440i Gen 3 (B58N) models — those use a different downpipe design incorporating a GPF. The Gen 3 540i is the current-generation G60 (2024+); the previous G30\/G31 540i (2017–2023) is a Gen 2 B58 and is not covered by this listing.\u003c\/em\u003e\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Catted DP w\/ Turbo Flange Gasket","offer_id":53736928608563,"sku":"11-062N","price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/b58nc.jpg?v=1785199520","url":"https:\/\/x58cartel.com\/products\/active-autowerke-bmw-b58-gen-3-x-body-catted-downpipe-2025-and-newer","provider":"x58cartel","version":"1.0","type":"link"}