{"product_id":"in-staock-straight-exhaust-downpipe-bmw-g80-m3-g82-m4-g87-m2-s58-3-0l-turbo-2021-304-stainless-steel","title":"Polished 304 Stainless Steel Catless Exhaust Downpipe for BMW G80 M3 G82 M4 G87 M2 S58 3.0L Turbo 2021+","description":"\u003cdiv\u003e\n\u003ch3\u003eDESCRIPTION\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eReduce Exhaust Backpressure, Improve Turbo Spool \u0026amp; Enhance Racing Exhaust Tone for BMW S58 G-Chassis M Models.\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nThis mandrel bent polished stainless steel twin downpipe set adopts optimized tapered straight-through flow layout to minimize internal airflow restrictions. It effectively lowers exhaust backpressure, accelerates exhaust gas flow velocity and unlocks additional performance potential, especially when paired with professional ECU tuning.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nMirror polished surface offers excellent corrosion resistance and clean engine bay aesthetics. Integrated flexible bellows absorb vibration and thermal expansion to extend pipeline service life. Developed via precise 3D scanning for direct bolt-on installation, all OEM oxygen sensor bungs and mounting brackets are fully retained.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eVEHICLE FITMENT for:\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 Polished T304 Stainless Steel Construction:\u003c\/strong\u003e Mandrel bent tubing with mirror polished finish, outstanding rust resistance and premium visual appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Flow Tapered Straight-Through Layout:\u003c\/strong\u003e Gradually variable-diameter flow path reduces exhaust resistance, lowers turbo backpressure and sharpens throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Flexible Bellows Section:\u003c\/strong\u003e Buffers vibration and thermal expansion, relieves pipeline stress and prevents cracking under sustained high-load operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Handcrafted TIG Welding:\u003c\/strong\u003e Smooth seamless inner surfaces cut down exhaust turbulence, reinforced weld joints withstand long-term high-temperature conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Direct Bolt-On OEM Fitment:\u003c\/strong\u003e Designed from OEM 3D scan data. Preserves all factory sensor ports, flanges and mounting points, no cutting or modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistinct Aggressive Inline-Six Racing Sound:\u003c\/strong\u003e Delivers deep, crisp sport exhaust note while maintaining acceptable daily drivability.\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, Mirror Polished Surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess:\u003c\/strong\u003e Mandrel bent pipe, handcrafted TIG welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructure:\u003c\/strong\u003e Twin tapered high flow downpipe set with integrated flexible bellows\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\u003eInstallation:\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 Polished T304 Stainless Steel Tapered High Flow Downpipe With Flexible Bellows\u003c\/li\u003e\n\u003cli\u003eComplete Stainless Steel Installation Bolt Hardware Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Wanmax Racing","offers":[{"title":"Default Title","offer_id":55008773341556,"sku":"DP-BM-G80S58-CATLESS","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/7244\/2740\/files\/H9700e885d9ae438f9e6b6e52dc477840F.jpg?v=1784786466","url":"https:\/\/wanmaxracing.com\/products\/in-staock-straight-exhaust-downpipe-bmw-g80-m3-g82-m4-g87-m2-s58-3-0l-turbo-2021-304-stainless-steel","provider":"Wanmax Racing","version":"1.0","type":"link"}