{"product_id":"exhaust-system-downpipe-w-heat-shield-bmw-b58-engine-f-g-chassis-toyota-supra","title":"Exhaust System Downpipe w\/ heat shield -  BMW B58 engine F, G Chassis \u0026 Toyota Supra","description":"\u003cp data-start=\"308\" data-end=\"723\"\u003eMaximize your B58 engine's performance with the \u003cstrong data-start=\"356\" data-end=\"406\"\u003eHigh-Flow Downpipe with Integrated Heat Shield\u003c\/strong\u003e, engineered to unleash hidden horsepower and transform your driving experience. Whether you're behind the wheel of a BMW or Toyota Supra, this premium downpipe upgrade significantly enhances exhaust flow, turbo response, and overall sound – all while protecting surrounding components with a built-in thermal shield.\u003c\/p\u003e\n\u003cp data-start=\"725\" data-end=\"749\"\u003e\u003cstrong data-start=\"725\" data-end=\"747\"\u003eCompatible Models:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"750\" data-end=\"858\"\u003e\n\u003cli data-start=\"750\" data-end=\"776\"\u003e\n\u003cp data-start=\"752\" data-end=\"776\"\u003eBMW F30\/F32 340i, 440i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"777\" data-end=\"804\"\u003e\n\u003cp data-start=\"779\" data-end=\"804\"\u003eBMW G20\/G22 340i, M340i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"805\" data-end=\"824\"\u003e\n\u003cp data-start=\"807\" data-end=\"824\"\u003eBMW G29 Z4 M40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"825\" data-end=\"858\"\u003e\n\u003cp data-start=\"827\" data-end=\"858\"\u003eToyota GR Supra A90\/A91 (2020+)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"860\" data-end=\"877\"\u003e\u003cstrong data-start=\"860\" data-end=\"877\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"879\" data-end=\"2379\"\u003e\n\u003cli data-start=\"879\" data-end=\"1046\"\u003e\n\u003cp data-start=\"881\" data-end=\"1046\"\u003e\u003cstrong data-start=\"881\" data-end=\"901\"\u003eHigh-Flow Design\u003c\/strong\u003e\u003cbr data-start=\"901\" data-end=\"904\"\u003eDrastically reduces exhaust backpressure and improves turbo spool, delivering noticeable gains in horsepower, torque, and throttle response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1048\" data-end=\"1263\"\u003e\n\u003cp data-start=\"1050\" data-end=\"1263\"\u003e\u003cstrong data-start=\"1050\" data-end=\"1076\"\u003eIntegrated Heat Shield\u003c\/strong\u003e\u003cbr data-start=\"1076\" data-end=\"1079\"\u003eBuilt-in stainless steel heat shielding protects surrounding engine bay components from excessive heat, helping maintain lower underhood temperatures and better long-term durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1265\" data-end=\"1463\"\u003e\n\u003cp data-start=\"1267\" data-end=\"1463\"\u003e\u003cstrong data-start=\"1267\" data-end=\"1299\"\u003ePrecision Fit for B58 Engine\u003c\/strong\u003e\u003cbr data-start=\"1299\" data-end=\"1302\"\u003eEngineered specifically for the B58 3.0L turbocharged inline-6 engine platform across both BMW and Toyota applications, ensuring exact fitment and performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1465\" data-end=\"1639\"\u003e\n\u003cp data-start=\"1467\" data-end=\"1639\"\u003e\u003cstrong data-start=\"1467\" data-end=\"1496\"\u003eCatted or Catless Options\u003c\/strong\u003e\u003cbr data-start=\"1496\" data-end=\"1499\"\u003eChoose from \u003cstrong data-start=\"1513\" data-end=\"1533\"\u003ehigh-flow catted\u003c\/strong\u003e for emissions-friendly performance or \u003cstrong data-start=\"1572\" data-end=\"1583\"\u003ecatless\u003c\/strong\u003e for maximum flow and aggressive sound (track use only).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1641\" data-end=\"1838\"\u003e\n\u003cp data-start=\"1643\" data-end=\"1838\"\u003e\u003cstrong data-start=\"1643\" data-end=\"1688\"\u003eMandrel-Bent Stainless Steel Construction\u003c\/strong\u003e\u003cbr data-start=\"1688\" data-end=\"1691\"\u003eMade from T304 stainless steel for excellent corrosion resistance, heat tolerance, and long-lasting durability under high-performance conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1840\" data-end=\"2006\"\u003e\n\u003cp data-start=\"1842\" data-end=\"2006\"\u003e\u003cstrong data-start=\"1842\" data-end=\"1867\"\u003eImproved Exhaust Note\u003c\/strong\u003e\u003cbr data-start=\"1867\" data-end=\"1870\"\u003eDelivers a deeper, more aggressive tone under throttle without unwanted drone – especially noticeable with upgraded cat-back exhausts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2008\" data-end=\"2206\"\u003e\n\u003cp data-start=\"2010\" data-end=\"2206\"\u003e\u003cstrong data-start=\"2010\" data-end=\"2046\"\u003eSupports Higher Tuning Potential\u003c\/strong\u003e\u003cbr data-start=\"2046\" data-end=\"2049\"\u003eIdeal for vehicles running a Stage 2+ tune or higher. Combined with ECU tuning, expect gains of \u003cstrong data-start=\"2147\" data-end=\"2160\"\u003e+40–70 HP\u003c\/strong\u003e, depending on other supporting modifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2208\" data-end=\"2379\"\u003e\n\u003cp data-start=\"2210\" data-end=\"2379\"\u003e\u003cstrong data-start=\"2210\" data-end=\"2234\"\u003eBolt-On Installation\u003c\/strong\u003e\u003cbr data-start=\"2234\" data-end=\"2237\"\u003eDirect replacement for the factory downpipe. All necessary hardware included. Professional installation and ECU tuning strongly recommended.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2381\" data-end=\"2384\"\u003e\n\u003cp data-start=\"2386\" data-end=\"2570\"\u003e\u003cstrong data-start=\"2386\" data-end=\"2449\"\u003eUnleash the full potential of your B58-powered BMW or Supra\u003c\/strong\u003e with this high-performance downpipe upgrade — combining power, sound, and thermal efficiency in one must-have component.\u003c\/p\u003e","brand":"CARBON DISTRICT","offers":[{"title":"Default Title","offer_id":53022515495246,"sku":null,"price":571.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0908\/2188\/6286\/files\/H4e259ea4005d4f2ab67298a1af6f5d1b0.webp?v=1751068665","url":"https:\/\/carbon-district.com\/products\/exhaust-system-downpipe-w-heat-shield-bmw-b58-engine-f-g-chassis-toyota-supra","provider":"CARBON DISTRICT","version":"1.0","type":"link"}