{"product_id":"milltek-cat-back-exhaust-bmw-f90-m5-lci-opf-2021-2025","title":"Milltek Cat Back Exhaust - BMW F90 M5 LCI OPF 2021-2025","description":"\u003cp data-start=\"334\" data-end=\"747\"\u003eThe Milltek Sport Cat Back exhaust system is designed for BMW F90 LCI M5 and M5 Competition models equipped with a \u003cstrong data-start=\"441\" data-end=\"478\"\u003e4.4-liter twin turbo V8 (S63)\u003c\/strong\u003e engine and a factory-fitted \u003cstrong data-start=\"501\" data-end=\"528\"\u003eOPF\/GPF particulate filter\u003c\/strong\u003e. While the factory system emphasizes comfort and sound dampening, Milltek's Cat Back solution improves exhaust flow and brings out the engine's sound in a controlled yet significantly more sporty manner.\u003c\/p\u003e\n\u003cp data-start=\"749\" data-end=\"941\"\u003eThe Cat Back exhaust system replaces the exhaust section \u003cstrong data-start=\"801\" data-end=\"839\"\u003eafter the downpipe\u003c\/strong\u003e, unleashing the engine's sound and improving flow without compromising daily drivability.\u003c\/p\u003e\n\u003ch2 data-start=\"948\" data-end=\"998\"\u003e\u003cstrong data-start=\"951\" data-end=\"998\"\u003eRich and Sporty V8 Sound\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1000\" data-end=\"1142\"\u003eMilltek has specifically optimized this system to support the characteristics of OPF\/GPF models, offering the following differences compared to the standard system:\u003c\/p\u003e\n\u003cul data-start=\"1144\" data-end=\"1350\"\u003e\n\n\u003cli data-start=\"1144\" data-end=\"1191\"\u003e\n\n\u003cp data-start=\"1146\" data-end=\"1191\"\u003eDeeper and clearer V8 sound at idle\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1192\" data-end=\"1236\"\u003e\n\n\u003cp data-start=\"1194\" data-end=\"1236\"\u003eLoud and sporty tone during acceleration\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1237\" data-end=\"1292\"\u003e\n\n\u003cp data-start=\"1239\" data-end=\"1292\"\u003eControlled yet powerful sound at high RPMs\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1293\" data-end=\"1350\"\u003e\n\n\u003cp data-start=\"1295\" data-end=\"1350\"\u003eNo disturbing resonance or drone during highway driving\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1352\" data-end=\"1436\"\u003eThe soundscape gives the S63 engine's personality the voice it deserves.\u003c\/p\u003e\n\u003ch2 data-start=\"1443\" data-end=\"1482\"\u003e\u003cstrong data-start=\"1446\" data-end=\"1482\"\u003eImproved Flow and Drivability\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1484\" data-end=\"1523\"\u003eThe Milltek Cat Back exhaust system offers:\u003c\/p\u003e\n\u003cul data-start=\"1525\" data-end=\"1724\"\u003e\n\n\u003cli data-start=\"1525\" data-end=\"1596\"\u003e\n\n\u003cp data-start=\"1527\" data-end=\"1596\"\u003eLower backpressure for exhaust gases after the OPF\/GPF filter\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1597\" data-end=\"1625\"\u003e\n\n\u003cp data-start=\"1599\" data-end=\"1625\"\u003eImproved throttle response\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1626\" data-end=\"1724\"\u003e\n\n\u003cp data-start=\"1628\" data-end=\"1724\"\u003eBetter flow characteristics that also support software updates and the benefits of tuning parts\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1726\" data-end=\"1812\"\u003eThe design supports the engine's natural operating range and complements its performance.\u003c\/p\u003e\n\u003ch2 data-start=\"1819\" data-end=\"1847\"\u003e\u003cstrong data-start=\"1822\" data-end=\"1847\"\u003eDirect Bolt-on Installation\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1878\" data-end=\"2070\"\u003e\n\n\u003cli data-start=\"1878\" data-end=\"1938\"\u003e\n\n\u003cp data-start=\"1880\" data-end=\"1938\"\u003eTo fit directly into the car's original mounting points\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1939\" data-end=\"2006\"\u003e\n\n\u003cp data-start=\"1941\" data-end=\"2006\"\u003eTo be compatible with F90 LCI models' drivetrain and chassis\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2007\" data-end=\"2070\"\u003e\n\n\u003cp data-start=\"2009\" data-end=\"2070\"\u003eTo be installed without welding or structural modifications\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2072\" data-end=\"2184\"\u003eThe OEM-level fit ensures hassle-free installation and seamless integration into the car's original structures.\u003c\/p\u003e\n\u003ch2 data-start=\"2191\" data-end=\"2236\"\u003e\u003cstrong data-start=\"2194\" data-end=\"2236\"\u003e304L Aircraft Grade Stainless Steel\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2238\" data-end=\"2357\"\u003eThe Milltek Sport exhaust system is manufactured from high-quality \u003cstrong data-start=\"2299\" data-end=\"2342\"\u003e304L grade stainless steel\u003c\/strong\u003e, offering:\u003c\/p\u003e\n\u003cul data-start=\"2359\" data-end=\"2532\"\u003e\n\n\u003cli data-start=\"2359\" data-end=\"2407\"\u003e\n\n\u003cp data-start=\"2361\" data-end=\"2407\"\u003eExcellent corrosion and heat resistance\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2408\" data-end=\"2458\"\u003e\n\n\u003cp data-start=\"2410\" data-end=\"2458\"\u003eLong lifespan even under intensive use\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2459\" data-end=\"2490\"\u003e\n\n\u003cp data-start=\"2461\" data-end=\"2490\"\u003eFlow-optimized design\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2491\" data-end=\"2532\"\u003e\n\n\u003cp data-start=\"2493\" data-end=\"2532\"\u003ePrecisely finished TIG welds\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2534\" data-end=\"2617\"\u003eThis material choice meets Milltek's demanding quality and performance standards.\u003c\/p\u003e\n\u003ch2 data-start=\"2624\" data-end=\"2639\"\u003e\u003cstrong data-start=\"2627\" data-end=\"2639\"\u003eFitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2712\" data-end=\"2773\"\u003e\n\n\u003cli data-start=\"2712\" data-end=\"2736\"\u003e\n\n\u003cp data-start=\"2714\" data-end=\"2736\"\u003e\u003cstrong data-start=\"2714\" data-end=\"2734\"\u003eBMW M5 (F90 LCI)\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2737\" data-end=\"2773\"\u003e\n\n\u003cp data-start=\"2739\" data-end=\"2773\"\u003e\u003cstrong data-start=\"2739\" data-end=\"2771\"\u003eBMW M5 Competition (F90 LCI)\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2775\" data-end=\"2876\"\u003eEngine: \u003cstrong data-start=\"2785\" data-end=\"2812\"\u003e4.4 Twin Turbo V8 (S63)\u003c\/strong\u003e\u003cbr data-start=\"2812\" data-end=\"2815\"\u003eOnly \u003cstrong data-start=\"2820\" data-end=\"2848\"\u003eOPF\/GPF-equipped cars\u003c\/strong\u003e\u003cbr data-start=\"2848\" data-end=\"2851\"\u003eModel years \u003cstrong data-start=\"2863\" data-end=\"2876\"\u003e2021–2025\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2775\" data-end=\"2876\"\u003e\u003cstrong data-start=\"2863\" data-end=\"2876\"\u003eNote! This exhaust system removes the OPFs. This modification also requires a software change. Not for road use.\u003c\/strong\u003e\u003c\/p\u003e","brand":"QT Parts","offers":[{"title":"Polished","offer_id":51913432727899,"sku":"MIL-SSXBM1227","price":4514.0,"currency_code":"GBP","in_stock":true},{"title":"Cerakote Black","offer_id":51913432760667,"sku":"MIL-SSXBM1228","price":4514.0,"currency_code":"GBP","in_stock":true},{"title":"Brushed Titanium","offer_id":51913432793435,"sku":"MIL-SSXBM1229","price":4846.0,"currency_code":"GBP","in_stock":true},{"title":"Burnt Titanium","offer_id":51913432826203,"sku":"MIL-SSXBM1230","price":5189.0,"currency_code":"GBP","in_stock":true},{"title":"Carbon","offer_id":51913432858971,"sku":"MIL-SSXBM1231","price":4790.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/black_173a9558-df5b-4b5c-945e-4b1fc8a906e8.png?v=1765966178","url":"https:\/\/www.qtparts.fi\/en-gb\/products\/milltek-cat-back-exhaust-bmw-f90-m5-lci-opf-2021-2025","provider":"QT Parts","version":"1.0","type":"link"}