{"product_id":"bmw-f-series-b58-ceramic-coated-catless-downpipe","title":"R44 BMW F Series B58 Ceramic Coated Exhaust Catless Downpipe (M140i, M240i, 340i, 440i, G30 540i \u0026 more)","description":"\u003cp data-start=\"156\" data-end=\"807\"\u003eThe R44 BMW F Series B58 \u003cstrong data-start=\"181\" data-end=\"216\"\u003eCeramic Coated Catless Downpipe\u003c\/strong\u003e is developed for drivers and tuners chasing maximum exhaust flow, sharper response and improved thermal control from their B58-powered BMW. Manufactured from high-grade stainless steel and finished with a durable \u003cstrong data-start=\"430\" data-end=\"449\"\u003eceramic coating\u003c\/strong\u003e, this downpipe replaces the restrictive factory catalytic converter to dramatically reduce back pressure. The ceramic coating helps manage under-bonnet temperatures, improving heat resistance and consistency under demanding conditions, while delivering a louder, more aggressive exhaust note and unlocking greater tuning potential at a sensible price point.\u003c\/p\u003e\u003chr data-start=\"809\" data-end=\"812\"\u003e\u003ch3 data-start=\"814\" data-end=\"830\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul data-start=\"832\" data-end=\"1372\"\u003e\n\u003cli data-start=\"832\" data-end=\"875\"\u003e\u003cp data-start=\"834\" data-end=\"875\"\u003eHigh-grade stainless steel construction\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"876\" data-end=\"931\"\u003e\u003cp data-start=\"878\" data-end=\"931\"\u003e\u003cstrong data-start=\"878\" data-end=\"904\"\u003eCatless \/ decat design\u003c\/strong\u003e for maximum exhaust flow\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"932\" data-end=\"992\"\u003e\u003cp data-start=\"934\" data-end=\"992\"\u003eDurable \u003cstrong data-start=\"942\" data-end=\"961\"\u003eceramic coating\u003c\/strong\u003e for enhanced heat management\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"993\" data-end=\"1043\"\u003e\u003cp data-start=\"995\" data-end=\"1043\"\u003eSignificant reduction in exhaust back pressure\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1088\"\u003e\u003cp data-start=\"1046\" data-end=\"1088\"\u003eFaster turbo spool and reduced turbo lag\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1089\" data-end=\"1118\"\u003e\u003cp data-start=\"1091\" data-end=\"1118\"\u003eSharper throttle response\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1119\" data-end=\"1162\"\u003e\u003cp data-start=\"1121\" data-end=\"1162\"\u003eIncreased exhaust volume and aggression\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1163\" data-end=\"1212\"\u003e\u003cp data-start=\"1165\" data-end=\"1212\"\u003eRaises the tuning potential of the B58 engine\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1213\" data-end=\"1290\"\u003e\u003cp data-start=\"1215\" data-end=\"1290\"\u003eSupplied with a \u003cstrong data-start=\"1231\" data-end=\"1288\"\u003e1 year R44 Performance warranty and fitment guarantee\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1291\" data-end=\"1372\"\u003e\u003cp data-start=\"1293\" data-end=\"1372\"\u003eEngineered for accurate fitment across a wide range of B58-powered BMW models\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-start=\"1374\" data-end=\"1377\"\u003e\u003ch3 data-start=\"1379\" data-end=\"1425\"\u003e\u003cstrong\u003eImportant Disclaimer – Motorsport-Use Only\u003c\/strong\u003e\u003c\/h3\u003e\u003cp data-start=\"1427\" data-end=\"1705\"\u003eThese downpipes are strictly for \u003cstrong data-start=\"1460\" data-end=\"1483\"\u003emotorsport-use only\u003c\/strong\u003e. Removal of the OEM catalytic converter breaches European and international emissions regulations and may exceed permitted noise limits in certain countries. Vehicles fitted with this downpipe will \u003cstrong data-start=\"1682\" data-end=\"1704\"\u003efail a UK MOT test\u003c\/strong\u003e.\u003c\/p\u003e\u003cp data-start=\"1707\" data-end=\"2021\"\u003eFitting a catless downpipe will trigger an \u003cstrong data-start=\"1750\" data-end=\"1777\"\u003eengine management light\u003c\/strong\u003e and may place the vehicle into \u003cstrong data-start=\"1809\" data-end=\"1822\"\u003elimp mode\u003c\/strong\u003e. \u003cstrong data-start=\"1824\" data-end=\"1875\"\u003eCustom coding or aftermarket tuning is required\u003c\/strong\u003e to operate this downpipe correctly. R44 strongly advises use limited to closed-course environments such as track or drag strip applications only.\u003c\/p\u003e\u003chr data-start=\"2023\" data-end=\"2026\"\u003e\u003ch3 data-start=\"2028\" data-end=\"2045\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\u003cul data-start=\"2047\" data-end=\"2221\"\u003e\n\u003cli data-start=\"2047\" data-end=\"2072\"\u003e\u003cp data-start=\"2049\" data-end=\"2072\"\u003eBMW M140i (F20 \/ F21)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"2073\" data-end=\"2098\"\u003e\u003cp data-start=\"2075\" data-end=\"2098\"\u003eBMW M240i (F22 \/ F23)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"2099\" data-end=\"2123\"\u003e\u003cp data-start=\"2101\" data-end=\"2123\"\u003eBMW 340i (F30 \/ F31)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"2124\" data-end=\"2154\"\u003e\u003cp data-start=\"2126\" data-end=\"2154\"\u003eBMW 440i (F32 \/ F33 \/ F36)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"2155\" data-end=\"2171\"\u003e\u003cp data-start=\"2157\" data-end=\"2171\"\u003eBMW G30 540i\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"2172\" data-end=\"2221\"\u003e\u003cp data-start=\"2174\" data-end=\"2221\"\u003eOther BMW models equipped with the B58 engine\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R44 Exhausts","offers":[{"title":"Default Title","offer_id":48150090645658,"sku":"R44-FSER-B58-DP1","price":551.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0432\/5379\/2922\/files\/bmw-f-series-b58-ceramic-coated-catless-downpipe.jpg?v=1779993530","url":"https:\/\/e9xontario.com\/products\/bmw-f-series-b58-ceramic-coated-catless-downpipe","provider":"E9X Ontario™","version":"1.0","type":"link"}