{"product_id":"mad-bmw-s58-catted-downpipes-x3m-x4m-f97-f98-w-no-cel-guarantee-flex-section","title":"MAD BMW S58 Catted Downpipes X3M X4M F97 F98 W\/ No CEL Guarantee \u0026 Flex Section","description":"\u003cdiv class=\"l4lQedPGf8KN1w\" role=\"button\"\u003e\n\u003cdiv class=\"_4MrlvXRZe6dnu\" data-testid=\"comment-container\"\u003e\n\u003cdiv class=\"R1RfC8jJFTMJlv Xfg5GTUiZ1tTRp\"\u003e\n\u003cdiv class=\"kMMW7ykMIXwcjQ Ijf59q3IL0JsER\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"uilHrMFcZTKnuh\"\u003e\n\u003cdiv class=\"ak-renderer-wrapper is-full-width css-1jke4yk\"\u003e\n\u003cdiv class=\"css-grqso3\" role=\"none\"\u003e\n\u003cdiv class=\"ak-renderer-document\"\u003e\n\u003cp data-renderer-start-pos=\"6\"\u003eIntroducing the MAD S58 Catted Downpipes\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"6\"\u003eETA: August 2026\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"48\"\u003eThe perfect upgrade for BMW X3M and X4M owners looking to unlock more performance and a deeper, more aggressive exhaust note without triggering a check engine light.\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"215\"\u003eCrafted from high-quality 304 stainless steel, these downpipes are built to withstand extreme heat and demanding driving conditions. The smooth mandrel-bent design maximizes exhaust flow, resulting in noticeable gains in horsepower, torque, and throttle response.\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"480\"\u003eEquipped with 300 cell high-flow catalytic converters, the MAD S58 Catted Downpipes enhance exhaust sound and overall drivability while keeping the check engine light off. They bolt directly to the factory exhaust system with no cutting or welding required, making installation straightforward and hassle-free. They are also fully compatible with most aftermarket exhaust systems, allowing you to build the setup that best suits your goals.\u003c\/p\u003e\n\u003ch3 data-renderer-start-pos=\"922\"\u003eNo CEL Guarantee\u003c\/h3\u003e\n\u003cp data-renderer-start-pos=\"940\"\u003eIf you receive a check engine light related to the catalytic converters, MAD will replace the downpipes free of charge.\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"1061\"\u003eDont settle for stock performance. Upgrade to the MAD S58 300 Cell Race Catted Downpipes and experience the full potential of your BMW X3M or X4M.\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"1209\"\u003eWarranty Coverage\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"1228\"\u003eThe \"No CEL\" guarantee is valid for 2 years from the date of purchase.\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"1300\"\u003eThe lifetime warranty still applies in cases of manufacturer defects, including cracks in the piping or welds.\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"1412\"\u003eRace Use Only\u003c\/p\u003e\n\u003ch3 data-renderer-start-pos=\"1427\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul class=\"ak-ul\" data-indent-level=\"1\"\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1440\"\u003e300 CEL catalytic converters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1472\"\u003eNo check engine light guarantee\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1507\"\u003eCompatible with right-hand drive and left-hand drive vehicles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1572\"\u003eSmooth bends for maximum airflow without excessive drone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1632\"\u003eUp to 30HP increase on stock turbos, with even greater gains on upgraded turbo setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1721\"\u003eLifetime warranty on defects and fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1765\"\u003eShips in 1 to 2 business days\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1798\"\u003eSpot-on fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1817\"\u003eFlex section for added durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-renderer-start-pos=\"1854\"\u003eNOTE: Downpipe gaskets are not included and must be purchased separately for installation.\u003c\/p\u003e\n\u003ch3 data-renderer-start-pos=\"1946\"\u003eFitment:\u003c\/h3\u003e\n\u003cul class=\"ak-ul\" data-indent-level=\"1\"\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1958\"\u003e2020+ BMW X3M F97\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"1979\"\u003e2020+ BMW X3M Competition F97\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"2012\"\u003e2020+ BMW X4M F98\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"2033\"\u003e2020+ BMW X4M Competition F98\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-renderer-start-pos=\"2066\"\u003eEmissions Disclaimer\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"2088\"\u003eThis product is not legal for sale or use on pollution-controlled vehicles operated on public roads, highways, or streets. It is intended for off-road, race, or closed-course competition use only, where such modifications are permitted.\u003c\/p\u003e\n\u003cp data-renderer-start-pos=\"2326\"\u003eBy purchasing this product, you acknowledge and agree that:\u003c\/p\u003e\n\u003cul class=\"ak-ul\" data-indent-level=\"1\"\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"2389\"\u003eYou are responsible for compliance with all applicable emissions laws and regulations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"2479\"\u003eMAD and its affiliates disclaim any liability for improper or unlawful use of this product.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-renderer-start-pos=\"2574\"\u003eUse of this part on public roads may violate the Federal Clean Air Act (42 U.S.C. § 7522) and similar state laws.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-renderer-start-pos=\"2691\"\u003ePlease check your local laws before purchase and installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"k0CzrlJuI35cY8\"\u003e\n\u003cdiv class=\"rHlYGFm93Wv4G0\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Automotive365","offers":[{"title":"Default Title","offer_id":45028620894416,"sku":null,"price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/8639\/6880\/files\/DCB5979C-0D07-4FCF-AA73-AA0326FE6E15.jpg?v=1780344400","url":"https:\/\/automo365.com\/products\/mad-bmw-s58-catted-downpipes-x3m-x4m-f97-f98-w-no-cel-guarantee-flex-section","provider":"Automotive365","version":"1.0","type":"link"}