{"product_id":"active-autowerke-bmw-b58n-gen-3-gesi-catted-downpipe-2025-x3-m50-x5-40i-x7-40i-540i","title":"Active Autowerke BMW B58N Gen 3 GESI Catted Downpipe – 2025+ X3 M50 \/ X5 40i \/ X7 40i \/ 540i","description":"\u003ch2\u003eActive Autowerke B58N Gen 3 GESI Catted Downpipe\u003c\/h2\u003e\n\u003cp\u003eDesigned for the verified U.S.-market BMW B58N applications listed below, this Active Autowerke catted downpipe uses large-diameter stainless-steel construction and a GESI high-flow catalytic converter. No performance tune is required.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5-inch high-flow GESI catalytic converter\u003c\/li\u003e\n\u003cli\u003e5-inch 304 stainless-steel piping that transitions through a stainless flex section to an 80 mm factory exhaust connection\u003c\/li\u003e\n\u003cli\u003eUltra-high-flow 400-cell-per-square-inch catalyst\u003c\/li\u003e\n\u003cli\u003eCasted upper stainless-steel V-band for precise fitment\u003c\/li\u003e\n\u003cli\u003eTIG-welded 304 stainless-steel construction with 1.5 mm wall thickness\u003c\/li\u003e\n\u003cli\u003eBolt-on installation with no cutting or welding required\u003c\/li\u003e\n\u003cli\u003eDesigned for quicker turbo spool and reduced exhaust backpressure\u003c\/li\u003e\n\u003cli\u003eRated by the manufacturer for applications up to 1,000 horsepower and temperatures up to 1,500°F\u003c\/li\u003e\n\u003cli\u003eManufacturer states the catalyst can reach operating efficiency within nine seconds of startup\u003c\/li\u003e\n\u003cli\u003eMade in Miami, Florida\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVerified Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2025-2026 BMW X3 M50 xDrive (G45)\u003c\/li\u003e\n\u003cli\u003e2025-2026 BMW X5 xDrive40i (G05 LCI)\u003c\/li\u003e\n\u003cli\u003e2025-2026 BMW X7 xDrive40i (G07)\u003c\/li\u003e\n\u003cli\u003e2025-2026 BMW 540i xDrive (G60)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eU.S.-market vehicles only.\u003c\/strong\u003e This application does not fit the M340i or M440i B58N Gen 3 platform, which incorporates a GPF into the downpipe.\u003c\/p\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eActive Autowerke B58N Gen 3 GESI catted downpipe\u003c\/li\u003e\n\u003cli\u003eTurbo flange gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEmissions and Legal Notice\u003c\/h3\u003e\n\u003cp\u003eThis catalytic converter is not legal for use on vehicles registered in California. Federal law prohibits tampering with emissions-control devices. Confirm compliance with all federal, state, and local requirements before ordering or installing.\u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer states a five-year\/50,000-mile warranty on the shell and tube ends and a two-year\/25,000-mile warranty on the catalytic core for the original purchaser. Excessive burble beyond the stock calibration can void the catalytic-converter warranty.\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":42811660795989,"sku":"11-062N","price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/3702\/5395\/files\/kies-motorsports-active-autowerke-active-autowerke-bmw-b58n-gen-3-gesi-catted-downpipe-2025-x3-m50-x5-40i-x7-40i-540i-1251901774.jpg?v=1785531552","url":"https:\/\/www.kiesmotorsports.com\/products\/active-autowerke-bmw-b58n-gen-3-gesi-catted-downpipe-2025-x3-m50-x5-40i-x7-40i-540i","provider":"Kies Motorsports","version":"1.0","type":"link"}