{"product_id":"evolution-racewerks-competition-series-catless-downpipe-b58-f-chassis-m240i-340i-440i","title":"Evolution Racewerks Competition Series Catless Downpipe - B58","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eThe factory catalytic converter is a major exhaust flow restriction — exhaust gas has to force its way through tightly-packed catalyst \"honeycomb\" material to get out of the downpipe, and it also creates turbulence downstream that slows exhaust velocity further. The Evolution Racewerks Competition Series Catless Downpipe removes that restriction entirely with a 4.5\" mandrel-bent design matched to the B58's larger turbo outlet, unlocking real gains throughout the powerband rather than just at peak.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e4.5\" mandrel-bent piping — sized to the B58's larger turbo outlet (vs 4\" on N55)\u003c\/li\u003e\n\u003cli\u003eCNC-machined billet 304 stainless steel V-band flange, duplicated from the factory turbo housing\u003c\/li\u003e\n\u003cli\u003eStainless steel O2 sensor bung retained at the factory location\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction, 100% TIG welded in-house\u003c\/li\u003e\n\u003cli\u003eHigher max horsepower and a stronger, earlier torque curve — turbo spools faster with less lag\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Competition Series catless downpipe (finish per variant)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBest paired with a supporting ECU tune such as the \u003ca href=\"https:\/\/x58cartel.com\/products\/bootmod3-b58-tune\"\u003ebootmod3 B58 Tune\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntended for off-road\/competition use only — not legal for use on pollution-controlled vehicles on public roads\/highways, and not available for sale in California\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrush Finish: BM-EXH018S\u003c\/li\u003e\n\u003cli\u003ePolish Finish: BM-EXH018P\u003c\/li\u003e\n\u003cli\u003eCeramic Thermal Coating: BM-EXH018TB\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\u003eYear\u003c\/th\u003e\n\u003c\/tr\u003e\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\u003c\/td\u003e\n\u003ctd\u003eB58\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\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\u003c\/td\u003e\n\u003ctd\u003eB58\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\u003eM240i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eG42\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM340i\u003c\/td\u003e\n\u003ctd\u003eG20\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM440i\u003c\/td\u003e\n\u003ctd\u003eG22\/G23\/G26\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2022+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e540i (incl. xDrive)\u003c\/td\u003e\n\u003ctd\u003eG30\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2017–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e840i\u003c\/td\u003e\n\u003ctd\u003eG14\/G15\/G16\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2019–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX3 M40i\u003c\/td\u003e\n\u003ctd\u003eG01\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2018–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX4 M40i\u003c\/td\u003e\n\u003ctd\u003eG02\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2019–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX5 xDrive40i\u003c\/td\u003e\n\u003ctd\u003eG05\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2018+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX6 xDrive40i\u003c\/td\u003e\n\u003ctd\u003eG06\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eX7 xDrive40i\u003c\/td\u003e\n\u003ctd\u003eG07\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ4 M40i\u003c\/td\u003e\n\u003ctd\u003eG29\u003c\/td\u003e\n\u003ctd\u003eB58\u003c\/td\u003e\n\u003ctd\u003e2019–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003ePlease confirm exact fitment for your VIN before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"Evolution Racewerks","offers":[{"title":"Brush Finish","offer_id":53617935319347,"sku":"BM-EXH018S","price":545.0,"currency_code":"USD","in_stock":true},{"title":"Polish Finish","offer_id":53617935352115,"sku":"BM-EXH018P","price":565.25,"currency_code":"USD","in_stock":true},{"title":"Ceramic Thermal Coating","offer_id":53617935384883,"sku":"BM-EXH018TB","price":612.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/b58dp2_1.jpg?v=1783373235","url":"https:\/\/x58cartel.com\/products\/evolution-racewerks-competition-series-catless-downpipe-b58-f-chassis-m240i-340i-440i","provider":"x58cartel","version":"1.0","type":"link"}