{"product_id":"mad-f9x-s63r-300-cel-catted-primary-downpipes-no-cel-guarantee-bmw-m5-m8-f90-f92","title":"MAD F9X S63R 300 CEL Catted Primary Downpipes (No CEL Guarantee) – BMW M5 \/ M8 (F90\/F92)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cb\u003eIn Stock:\u003c\/b\u003e\u003cspan\u003e Ships in 1-2 business days\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eAvailable to Order:\u003c\/b\u003e\u003cspan\u003e Ships in 3-4 Weeks\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLooking to unlock more power and sound from your S63R without worrying about a check engine light?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe factory primary downpipes restrict exhaust flow and limit the performance potential of your twin-turbo V8.\u003c\/p\u003e\n\u003cp\u003eThe MAD 300 CEL Catted Primary Downpipes replace the restrictive factory downpipes with high-flow catalytic converters, engineered to improve exhaust flow, increase power, and deliver a deeper, more aggressive exhaust note while maintaining everyday drivability.\u003c\/p\u003e\n\u003cp\u003eUnlike traditional high-flow downpipes, these feature MAD's No CEL Guarantee. If a check engine light occurs due to the catalytic converters within two years of purchase, MAD will replace the affected downpipe at no charge.\u003c\/p\u003e\n\u003cp\u003eMore airflow. More sound. No CEL guarantee. \u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy These Downpipes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMAD designed these downpipes for enthusiasts who want improved performance and a more aggressive exhaust note without the check engine light commonly associated with aftermarket downpipes.\u003c\/p\u003e\n\u003cp\u003eFeaturing 300 CEL high-flow catalytic converters and smooth mandrel-bent piping, these downpipes reduce exhaust restrictions while retaining catalytic converters.\u003c\/p\u003e\n\u003cp\u003eMAD advertises gains of up to 30 HP on stock turbos, with additional potential on upgraded turbo setups. Actual gains depend on your vehicle's configuration and tuning.\u003c\/p\u003e\n\u003cp\u003eThe integrated flex sections help reduce stress and unwanted vibration, while the optimized piping delivers a deeper exhaust note without introducing unwanted drone.\u003c\/p\u003e\n\u003cp\u003eThe biggest advantage? MAD backs these downpipes with a two-year No CEL Guarantee, providing additional peace of mind for enthusiasts who want improved performance without a catalyst-related check engine light.\u003c\/p\u003e\n\u003cp\u003eImproved airflow. Faster turbo response. Performance without the CEL headache. \u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eDirect bolt-on replacement for factory primary downpipes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eCompatible with OEM and aftermarket exhaust systems\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eNo cutting or welding required\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eCompatible with left-hand drive and right-hand drive vehicles\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eProfessional installation recommended\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW S63R Platform:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e2018+ BMW F90 M5 \/ M5 Competition\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e2018+ BMW F91 M8 Convertible\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e2018+ BMW F92 M8 Coupe\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e2018+ BMW F93 M8 Gran Coupe\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e300 CEL High-Flow Catalytic Converters\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003ePremium 304 Stainless Steel Construction\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eSmooth Bends for Improved Exhaust Flow\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eOptimized Piping Designed to Minimize Drone\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eIntegrated Flex Sections for Added Durability\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003ePrecision-Engineered Direct Bolt-On Fitment\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e- MAD 300 CEL Catted Primary Downpipes\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty \u0026amp; Returns\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eEligible for a 90-day return window if unused, uninstalled, and in original condition, subject to Automaz Collective's return policy\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eTwo-year No CEL Guarantee covering check engine lights caused by the catalytic converters\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eFree replacement of the affected downpipe under MAD's No CEL Guarantee\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eLifetime warranty against manufacturing defects, including cracks in the piping or welds, and fitment issues\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe No CEL Guarantee applies for two years from the original purchase date. The lifetime manufacturing warranty remains in effect separately. \u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eIntended for off-road \/ motorsport use only\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eNot legal for use on pollution-controlled vehicles operated on public roads\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe No CEL Guarantee covers check engine lights related to the catalytic converters, not unrelated vehicle faults\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eHigh-flow catalytic converters do not guarantee emissions compliance\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eVerify local emissions regulations before purchasing\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAutomaz Approved\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLooking for increased performance and a more aggressive exhaust note without the concerns associated with traditional aftermarket downpipes?\u003c\/p\u003e\n\u003cp\u003eThe MAD 300 CEL Catted Primary Downpipes offer a combination of improved exhaust flow, premium stainless steel construction, and high-flow catalytic converters for the F90 M5 and F9X M8.\u003c\/p\u003e\n\u003cp\u003eWhat sets these apart is MAD's two-year No CEL Guarantee, making them an appealing option for enthusiasts who want additional performance while retaining catalytic converters.\u003c\/p\u003e\n\u003cp\u003eMore power. More sound. No CEL guarantee.\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmissions Disclaimer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis product is \u003cspan\u003enot legal for sale or use on pollution-controlled vehicles\u003c\/span\u003e operated on public roads, highways, or streets. It is \u003cspan\u003eintended for off-road, race, or closed-course competition use only\u003c\/span\u003e, where such modifications are permitted.\u003c\/p\u003e\n\u003cp\u003eBy purchasing this product, you acknowledge and agree that:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eYou are \u003cspan\u003eresponsible for compliance\u003c\/span\u003e with all applicable emissions laws and regulations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eMAD, Automaz Collective, and their affiliates \u003cspan\u003edisclaim liability\u003c\/span\u003e for improper or unlawful use of this product, to the extent permitted by law.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eUse of this part on public roads may violate the \u003cspan\u003eFederal Clean Air Act (42 U.S.C. § 7522)\u003c\/span\u003e and similar state laws.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease check your local laws before purchase and installation.\u003c\/p\u003e","brand":"Automaz Collective","offers":[{"title":"Default Title","offer_id":44307457278011,"sku":null,"price":1299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5388\/1403\/files\/Untitleddesign45.png?v=1790489952","url":"https:\/\/automazcollective.com\/products\/mad-f9x-s63r-300-cel-catted-primary-downpipes-no-cel-guarantee-bmw-m5-m8-f90-f92","provider":"Automaz Collective","version":"1.0","type":"link"}