{"product_id":"bmw-f80-m3-f82-m4-f87-m2-competition-s55-200-cell-sports-cat-downpipes","title":"R44 BMW F80 M3, F82 M4 \u0026 F87 M2 Competition S55 Exhaust 200 Cell Sports Cat Downpipes","description":"\u003cp data-start=\"137\" data-end=\"781\"\u003eThe R44 BMW F80 M3, F82 M4 \u0026amp; F87 M2 Competition S55 \u003cstrong data-start=\"189\" data-end=\"222\"\u003e200 Cell Sports Cat Downpipes\u003c\/strong\u003e are engineered to deliver a strong balance of improved exhaust flow, enhanced sound and controlled refinement for S55-powered M cars. Manufactured from high-quality stainless steel, these downpipes replace the restrictive OEM catalytic converters with high-flow \u003cstrong data-start=\"485\" data-end=\"514\"\u003e200 cell sports catalysts\u003c\/strong\u003e, significantly reducing back pressure while retaining more civility than a full catless setup. The result is faster turbo spool, sharper throttle response and a deeper, more purposeful exhaust note, all backed by precise fitment, durability and sensible R44 pricing.\u003c\/p\u003e\u003chr data-start=\"783\" data-end=\"786\"\u003e\u003ch3 data-start=\"788\" data-end=\"804\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul data-start=\"806\" data-end=\"1245\"\u003e\n\u003cli data-start=\"806\" data-end=\"849\"\u003e\u003cp data-start=\"808\" data-end=\"849\"\u003eHigh-grade stainless steel construction\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"850\" data-end=\"904\"\u003e\u003cp data-start=\"852\" data-end=\"904\"\u003eHigh-flow \u003cstrong data-start=\"862\" data-end=\"902\"\u003e200 cell sports catalytic converters\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"905\" data-end=\"949\"\u003e\u003cp data-start=\"907\" data-end=\"949\"\u003eReduced exhaust back pressure versus OEM\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"950\" data-end=\"1003\"\u003e\u003cp data-start=\"952\" data-end=\"1003\"\u003eFaster turbo spool and improved throttle response\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1004\" data-end=\"1057\"\u003e\u003cp data-start=\"1006\" data-end=\"1057\"\u003eEnhanced exhaust tone without excessive harshness\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1058\" data-end=\"1107\"\u003e\u003cp data-start=\"1060\" data-end=\"1107\"\u003eIncreased tuning potential for the S55 engine\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1108\" data-end=\"1185\"\u003e\u003cp data-start=\"1110\" data-end=\"1185\"\u003eSupplied with a \u003cstrong data-start=\"1126\" data-end=\"1183\"\u003e1 year R44 Performance warranty and fitment guarantee\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1186\" data-end=\"1245\"\u003e\u003cp data-start=\"1188\" data-end=\"1245\"\u003eEngineered for accurate fitment on S55-powered M models\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-start=\"1247\" data-end=\"1250\"\u003e\u003ch3 data-start=\"1252\" data-end=\"1305\"\u003e\u003cstrong\u003eImportant Disclaimer – Motorsport-Use Recommended\u003c\/strong\u003e\u003c\/h3\u003e\u003cp data-start=\"1307\" data-end=\"1582\"\u003eWhile these downpipes retain sports catalytic converters, fitment \u003cstrong data-start=\"1373\" data-end=\"1425\"\u003emay still breach emissions and noise regulations\u003c\/strong\u003e depending on vehicle specification, tuning level and regional legislation. Vehicles fitted with aftermarket sports cat downpipes \u003cstrong data-start=\"1555\" data-end=\"1581\"\u003emay fail a UK MOT test\u003c\/strong\u003e.\u003c\/p\u003e\u003cp data-start=\"1584\" data-end=\"1893\"\u003eInstallation \u003cstrong data-start=\"1597\" data-end=\"1639\"\u003emay trigger an engine management light\u003c\/strong\u003e, and \u003cstrong data-start=\"1645\" data-end=\"1700\"\u003ecustom coding or aftermarket tuning may be required\u003c\/strong\u003e to ensure correct operation. R44 recommends these downpipes primarily for \u003cstrong data-start=\"1775\" data-end=\"1823\"\u003emotorsport-use or closed-course applications\u003c\/strong\u003e and advises customers to check local regulations before installation.\u003c\/p\u003e\u003chr data-start=\"1895\" data-end=\"1898\"\u003e\u003ch3 data-start=\"1900\" data-end=\"1917\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\u003cul data-start=\"1919\" data-end=\"2059\"\u003e\n\u003cli data-start=\"1919\" data-end=\"1945\"\u003e\u003cp data-start=\"1921\" data-end=\"1945\"\u003eBMW F80 M3 (2014–2021)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1946\" data-end=\"1972\"\u003e\u003cp data-start=\"1948\" data-end=\"1972\"\u003eBMW F82 M4 (2014–2021)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"1973\" data-end=\"2011\"\u003e\u003cp data-start=\"1975\" data-end=\"2011\"\u003eBMW F87 M2 Competition (2018–2021)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-start=\"2012\" data-end=\"2059\"\u003e\u003cp data-start=\"2014\" data-end=\"2059\"\u003eEngine: S55 3.0-litre twin-turbo inline-six\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R44 Exhausts","offers":[{"title":"Default Title","offer_id":48150085828762,"sku":"R44-F8X-S55-DP2","price":638.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0432\/5379\/2922\/files\/bmw-f80-m3-f82-m4-f87-m2-competition-s55-200-cell-sports-cat-downpipes.jpg?v=1779993405","url":"https:\/\/e9xontario.com\/en-us\/products\/bmw-f80-m3-f82-m4-f87-m2-competition-s55-200-cell-sports-cat-downpipes","provider":"E9X Ontario™","version":"1.0","type":"link"}