{"product_id":"high-flow-exhaust-downpipe-with-heat-shield-for-bmw-g80-m3-g82-m4-g87-m2-s58-3-0l-turbo-2021-flex-bellows","title":"High Flow Exhaust Downpipe with Heat Shield For BMW G80 M3 G82 M4 G87 M2 S58 3.0L Turbo 2021+ Flex Bellows","description":"\u003cdiv\u003e\n\u003ch3\u003eDESCRIPTION\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eReduce Exhaust Backpressure, Boost Power \u0026amp; Sharpen Throttle Response for S58 G-Chassis M Vehicles.\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nThis mandrel bent stainless steel exhaust downpipe adopts straight-through high-flow design, removing restrictive factory catalytic components. It significantly cuts turbo exhaust backpressure, unlocks horsepower and torque gains, and delivers faster turbo spool especially after ECU stage tuning.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nFull built-in heat wrap suppress radiant heat to protect surrounding engine bay components. Precision 3D scanning ensures direct bolt-on fitment, all factory O2 sensor bungs and mounting brackets are retained for seamless installation.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eVEHICLE FITMENT\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW G87 M2\u003c\/strong\u003e — 2021+ (S58 3.0L Turbo)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW G80 M3 \/ G81 M3 Touring\u003c\/strong\u003e — 2021+ (S58 3.0L Turbo)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW G82 M4 \/ G83 M4 Convertible\u003c\/strong\u003e — 2021+ (S58 3.0L Turbo)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium T304 Stainless Steel Construction:\u003c\/strong\u003e Mandrel bent piping offers excellent rust resistance and structural stability under high-boost and track conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Flow Straight-Through Design:\u003c\/strong\u003e Eliminates factory exhaust restriction, lowers backpressure, improves throttle response and delivers noticeable power gains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Premium Heat Wrap Coverage:\u003c\/strong\u003e Blocks extreme radiant exhaust heat, protecting nearby plastic, wiring and cooling parts in engine bay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Handcrafted TIG Welding:\u003c\/strong\u003e Smooth seamless inner walls reduce gas turbulence, robust weld seams prevent cracking during long-term high temperature operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Direct Bolt-On Fitment:\u003c\/strong\u003e Developed via 3D scanning. Preserves all OEM oxygen sensor ports, mounting brackets and flange positions, no cutting required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistinct Racing Exhaust Tone:\u003c\/strong\u003e Creates deep, crisp aggressive racing sound while maintaining acceptable drivability for daily use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eTECH SPECIFICATIONS\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e T304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess:\u003c\/strong\u003e Mandrel bent pipe, TIG welded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Tapered straight-through high flow layout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Treatment:\u003c\/strong\u003e Full exterior heat wrap insulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engine:\u003c\/strong\u003e S58 3.0L Turbo Inline Six\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Direct bolt-on, retains all OEM sensor positions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e1 Pair T304 Stainless Steel High Flow Downpipe With Complete Heat Wrap\u003c\/li\u003e\n\u003cli\u003eFull Set Stainless Steel Installation Bolts \u0026amp; Hardware Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Wanmax Racing","offers":[{"title":"Default Title","offer_id":55008344998260,"sku":"AT7167包隔热","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/7244\/2740\/files\/ExhaustDownPipeforBMWG80M3-2.jpg?v=1784771247","url":"https:\/\/wanmaxracing.com\/products\/high-flow-exhaust-downpipe-with-heat-shield-for-bmw-g80-m3-g82-m4-g87-m2-s58-3-0l-turbo-2021-flex-bellows","provider":"Wanmax Racing","version":"1.0","type":"link"}