{"product_id":"irl-g8x-3-5-maxflow-race-downpipes","title":"IRL G8X 3.5” MaxFlow Race Downpipes","description":"\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlock the full potential of your S58-powered BMW with the IRL 3.5” MaxFlow Race Downpipes. Designed and engineered for enthusiasts demanding maximum performance, these downpipes eliminate the restrictive factory catalytic converters and feature a true 3.5-inch mandrel-bent design for exceptional exhaust flow, faster turbo spool, and increased horsepower and torque.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike smaller diameter alternatives, the IRL MaxFlow design minimizes backpressure while maintaining smooth exhaust velocity, allowing your turbos to operate more efficiently. The result is improved throttle response, reduced turbo effort, and an aggressive motorsport-inspired exhaust note that perfectly complements the S58 engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach set is precision TIG welded from premium T304 stainless steel and engineered for a direct bolt-on installation using factory mounting locations. Designed to pair seamlessly with both the OEM exhaust and aftermarket cat-back systems, these race downpipes deliver uncompromising performance for street and track applications where emissions compliance is not required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTrue 3.5” MaxFlow mandrel-bent design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium T304 stainless steel construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision TIG welded for maximum durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreased horsepower and torque potential\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFaster turbo spool and improved throttle response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore aggressive exhaust tone with enhanced turbo sound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDirect bolt-on installation with OEM-style fitment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with factory and most aftermarket exhaust systems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBMW G80 M3\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW G81 M3 Touring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW G82 M4 Coupe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW G83 M4 Convertible\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAll S58-powered models (2021+)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor Off-Road\/Racing Use Only:\u003c\/span\u003e\u003cspan\u003e These race downpipes remove the factory catalytic converters and are intended for closed-course competition vehicles only. A check engine light (CEL) is expected on factory engine calibrations. ECU tuning is recommended to maximize performance and optimize operation.\u003c\/span\u003e\u003c\/p\u003e","brand":"IRL LLC","offers":[{"title":"3.5” MaxFlow Race Downpipe","offer_id":47967868879006,"sku":"MS-6435-UNT-IRL L-1","price":429.0,"currency_code":"USD","in_stock":true},{"title":"3” MaxFlow Race Downpipe","offer_id":47967868911774,"sku":"MS-6435-UNT-IRL L-2","price":429.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/9751\/0302\/files\/FullSizeRender_07d2e9f7-9c0e-4909-9431-0d7ab1924e05.jpg?v=1771267811","url":"https:\/\/irlllc.com\/products\/irl-g8x-3-5-maxflow-race-downpipes","provider":"IRL LLC","version":"1.0","type":"link"}