{"product_id":"s58-3-catless-downpipes-bmw-m2-m3-m4-g80-g82-g87-2021-2026","title":"BMW S58 3 Inch Catless Downpipes - M2 M3 M4 G80 G82 G87 2021-2026 - OneFastShop","description":"\u003cp\u003eUnlock the full potential of your \u003cstrong\u003eS58\u003c\/strong\u003e with the OneFastShop 3 inch catless downpipes. The factory catalytic converters are the biggest choke point in the twin turbo exhaust - removing both frees up real power, spools the turbos sooner, and brings out the aggressive growl the S58 was built to make. Engineered for the BMW M2 G87, M3 G80, and M4 G82 from 2021 to 2026.\u003c\/p\u003e\n\u003cp\u003eExpect \u003cstrong\u003e+30 to +50 horsepower with a supporting tune\u003c\/strong\u003e (more on big turbo builds), dramatically faster spool, and sharper throttle response. This paired set is a direct bolt-on with no cutting required, works with OEM and aftermarket cat-back exhausts, and is backed by a lifetime warranty on defects.\u003c\/p\u003e\n\u003ch2 style=\"margin:16px 0 4px 0;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;margin-top:0;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;font-weight:600;width:38%;\"\u003eDiameter\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;\"\u003e3 inch (full diameter from each turbo outlet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;font-weight:600;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;\"\u003e304 grade stainless steel, mandrel bent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;font-weight:600;\"\u003eFlanges\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;\"\u003eCNC machined billet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;font-weight:600;\"\u003eWelding\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;\"\u003eHand TIG welded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;font-weight:600;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;\"\u003eWelded brackets on both pipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;font-weight:600;\"\u003eFlex section\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;\"\u003eIntegrated on both pipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;font-weight:600;\"\u003eHardware\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;\"\u003eGrade 12 mounting bolts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;font-weight:600;\"\u003eConfiguration\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border-bottom:1px solid #e5e5e5;\"\u003ePaired set (twin turbo), catalytic converters removed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;font-weight:600;\"\u003eEngine\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eBMW S58 twin turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"margin:16px 0 4px 0;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul style=\"margin-top:0;\"\u003e\n\u003cli\u003e2x S58 catless downpipes (driver and passenger side)\u003c\/li\u003e\n\u003cli\u003eGrade 12 mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"margin:16px 0 4px 0;\"\u003eInstallation \u0026amp; Tuning Notes\u003c\/h2\u003e\n\u003cp style=\"margin-top:0;\"\u003e\u003cstrong\u003eGaskets required:\u003c\/strong\u003e Two turbo-to-downpipe gaskets are required to seal these downpipes to your factory turbos. Our \u003ca href=\"\/products\/bmw-turbo-downpipe-gasket-3-5-n54-n55-s55-s58-18307553601\"\u003e3.5 Inch Turbo to Downpipe Gasket for BMW S58\u003c\/a\u003e is sold separately - add two to your order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTuning \u0026amp; check engine light:\u003c\/strong\u003e Removing the cats means the rear O2 sensors will eventually set a check engine light (a catalyst efficiency code such as P0420 \/ P0430) on an otherwise stock car. This is normal for any catless downpipe and not a fault with the part. To run them correctly and keep the light off, the car should be tuned with the rear O2 sensors turned off - any major S58 tuning platform supports this. We strongly recommend installing these downpipes with a supporting tune rather than on a stock vehicle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOff-road use:\u003c\/strong\u003e Intended for off-road and track use only. Not legal for use on public roads and may not comply with emissions regulations. Check local laws before installation.\u003c\/p\u003e\n\u003ch2 style=\"margin:16px 0 4px 0;\"\u003eFitment\u003c\/h2\u003e\n\u003ctable border=\"1\" style=\"margin-top:0;\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"200\"\u003eSubmodel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"100\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2026\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eG80 (incl. Competition)\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2026\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eG82 \/ G83 Convertible (incl. Competition)\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023-2026\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003eG87 (incl. Competition)\u003c\/td\u003e\n\u003ctd\u003eS58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"OneFastShop","offers":[{"title":"Default Title","offer_id":44694889791660,"sku":"S58G8XDP","price":289.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0480\/2160\/2467\/files\/OneFastShop_S58_3_Inch_Catless_Downpipes_BMW_M2_G87_M3_G80_M4_G82_G83_2021-2026.jpg?v=1779207560","url":"https:\/\/onefastshop.com\/products\/s58-3-catless-downpipes-bmw-m2-m3-m4-g80-g82-g87-2021-2026","provider":"OneFastShop","version":"1.0","type":"link"}