{"product_id":"active-autowerke-signature-catless-downpipe-bmw-b58-f-g-chassis-up-to-2024","title":"Active Autowerke Signature Catless Downpipe – BMW B58 F\/G Chassis Up to 2024","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe Active Autowerke B58 Signature downpipe utilizes 4.5\" diameter stainless steel piping to provide more power, quicker spool, and extreme durability. It then tapers down to 3.5\" where a stainless flex joint is incorporated, then down to 80mm to meet the OEM exhaust system — the diameter is never dropped below the stock 80mm. This is the catless version for maximum exhaust flow.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCasted upper stainless steel V-Band for precise fitment\u003c\/li\u003e\n\u003cli\u003e4.50\" diameter piping allows for maximum power output\u003c\/li\u003e\n\u003cli\u003eQuicker turbo spool\u003c\/li\u003e\n\u003cli\u003eDurable construction from TIG welded 304 stainless steel\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 catless downpipe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-road \/ competition use only\u003c\/strong\u003e — the catless downpipe removes the catalytic converter and is not emissions compliant for street use.\u003c\/li\u003e\n\u003cli\u003eA performance tune is typically required when running catless to address the catalyst efficiency monitor and avoid a check engine light.\u003c\/li\u003e\n\u003cli\u003eCovered by a 5-year\/50,000-mile warranty on shell and tube ends to the original purchaser only.\u003c\/li\u003e\n\u003cli\u003eFor M340i\/M440i, pair with the Active Autowerke \u003ca href=\"\/products\/active-autowerke-charge-pipe-g-chassis-m340i-m440i-a90-supra-15-007\"\u003eB58 Charge Pipe\u003c\/a\u003e; for the 340i\/440i (F3x), add the \u003ca href=\"\/products\/active-autowerke-f3x-340i-440i-valved-rear-exhaust-system-gen-2-11-115f\"\u003eValved Rear Exhaust\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eThis catless version no longer appears in Active Autowerke's current online catalog — contact us to confirm availability before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\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\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM240i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eF22\/F23\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2017–2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e340i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eF30\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2016–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e440i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eF32\/F33\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2017–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e340i xDrive (Gran Turismo)\u003c\/td\u003e\n\u003ctd\u003eF34\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e440i (incl. xDrive, Gran Coupe)\u003c\/td\u003e\n\u003ctd\u003eF36\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2017–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM340i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eG20\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2020–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM440i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eG22\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2021–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":67600620978483,"sku":"11-061","price":379.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/e1_edited.webp?v=1781210363","url":"https:\/\/x58cartel.com\/products\/active-autowerke-signature-catless-downpipe-bmw-b58-f-g-chassis-up-to-2024","provider":"x58Cartel","version":"1.0","type":"link"}