{"product_id":"stainless-steel-high-flow-downpipe-with-heat-shield-for-bmw-f10-m5-s63-4-4l-v8-turbo","title":"Heat Shielded 304 Stainless Steel High-Flow Exhaust Downpipe for BMW F10 M5 S63 4.4L V8 Twin Turbo","description":"\u003cdiv\u003e\n\u003ch1\u003eDESCRIPTION\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eReduce Exhaust Backpressure, Boost Power \u0026amp; Refine Exhaust Tone for BMW F10 M5.\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nThis straight-through high flow layout eliminates factory exhaust flow restrictions to cut turbo backpressure, maximizes exhaust gas flow velocity and delivers faster turbo spool, especially when paired with ECU stage tuning. It drastically cuts turbo exhaust backpressure, accelerates turbo spool speed and delivers noticeable horsepower and torque gains especially paired with ECU stage tuning.\u003c\/div\u003e\n\u003cdiv\u003eEquipped with durable exterior heat shield to block intense radiant heat and protect surrounding engine bay components. Developed via precise 3D scanning for direct bolt-on fitment, all OEM O2 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 F10 M5\u003c\/strong\u003e (S63 4.4L V8 Twin Turbo)\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\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 tubing provides excellent rust resistance and structural stability under sustained high-temperature racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Flow Straight-Through Layout:\u003c\/strong\u003e Eliminates factory exhaust restriction, lowers backpressure and improves throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty External Heat Shield:\u003c\/strong\u003e Blocks extreme radiant exhaust heat to safeguard nearby wiring, rubber and plastic components within the engine bay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Handcrafted TIG Welding:\u003c\/strong\u003e Smooth seamless inner surfaces reduce exhaust turbulence, reinforced welds resist cracking during long-term high-load operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Direct Bolt-On OEM Fitment:\u003c\/strong\u003e Built from 3D scan data. Preserves all factory oxygen sensor ports, flanges and mounting points, no cutting or modification required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistinct Aggressive V8 Sound:\u003c\/strong\u003e Produces deep, rich racing 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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess:\u003c\/strong\u003e Mandrel bent pipe, hand TIG welded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructure:\u003c\/strong\u003e Twin straight-through downpipe set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Protection:\u003c\/strong\u003e Full exterior heat shield\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engine:\u003c\/strong\u003e S63 4.4L V8 Twin Turbo\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 T304 Stainless Steel High Flow Downpipe With Complete Heat Shield\u003c\/li\u003e\n\u003cli\u003eMounting Brackets \u0026amp; Full 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":55008663404916,"sku":"DP-BM-F10S63-HS","price":285.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/7244\/2740\/files\/H9b6ec4b6c0e44e0fa525c920c4fd343an.jpg?v=1784776460","url":"https:\/\/wanmaxracing.com\/products\/stainless-steel-high-flow-downpipe-with-heat-shield-for-bmw-f10-m5-s63-4-4l-v8-turbo","provider":"Wanmax Racing","version":"1.0","type":"link"}