{"product_id":"mad-bmw-s58-catted-downpipes-m3-m4-g80-g82-g83-w-no-cel-guarantee-flex-section","title":"MAD BMW S58 Catted Downpipes M3 M4 G80 G82 G83 W\/ No CEL Guarantee \u0026 Flex Section","description":"\u003cp data-end=\"1427\" data-start=\"1018\"\u003e\u003cstrong data-end=\"1099\" data-start=\"1018\"\u003eUnlock Performance with the MAD 300 Cell Catted Downpipes for BMW S58 Engines\u003c\/strong\u003e\u003cbr data-end=\"1102\" data-start=\"1099\"\u003eElevate your BMW’s performance and driving experience with the MAD Catted Downpipes designed specifically for the S58-powered M3, M4, and M2 models. Engineered to deliver maximum exhaust flow and throttle response, these high-performance downpipes provide an aggressive, refined sound without triggering a check engine light.\u003c\/p\u003e \u003cp data-end=\"1932\" data-start=\"1429\"\u003eConstructed from high-quality 304 stainless steel, the MAD Catted Downpipes are designed to endure extreme temperatures and driving conditions. Their smooth mandrel-bent piping promotes optimal exhaust flow, resulting in improved horsepower, torque, and overall responsiveness. With 300-cell high-flow catalytic converters integrated into the design, you gain a perfect balance between performance gains and emissions control, making this an ideal upgrade for both spirited street driving and track use.\u003c\/p\u003e \u003cp data-end=\"2297\" data-start=\"1934\"\u003eThe included flex section ensures long-term durability, while the precision-engineered flanges guarantee a spot-on fit with both OEM and most aftermarket exhaust systems. No cutting or welding is required for installation, ensuring a direct bolt-on experience. Additionally, MAD guarantees no check engine light (CEL) will appear—offering replacement if one does.\u003c\/p\u003e \u003cp data-end=\"2316\" data-start=\"2299\"\u003e\u003cstrong data-end=\"2316\" data-start=\"2299\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e \u003cul data-end=\"2914\" data-start=\"2318\"\u003e \u003cli data-end=\"2361\" data-start=\"2318\"\u003e 300 Cell High-Flow Catalytic Converters \u003c\/li\u003e \u003cli data-end=\"2397\" data-start=\"2362\"\u003e No Check Engine Light Guarantee \u003c\/li\u003e \u003cli data-end=\"2447\" data-start=\"2398\"\u003e Flex Section Included for Enhanced Durability \u003c\/li\u003e \u003cli data-end=\"2492\" data-start=\"2448\"\u003e Smooth Mandrel Bends for Maximum Airflow \u003c\/li\u003e \u003cli data-end=\"2542\" data-start=\"2493\"\u003e Up to 30HP Gain on Stock Turbocharged Engines \u003c\/li\u003e \u003cli data-end=\"2598\" data-start=\"2543\"\u003e Even Greater Performance Gains with Upgraded Setups \u003c\/li\u003e \u003cli data-end=\"2667\" data-start=\"2599\"\u003e Compatible with Both Right-Hand Drive and Left-Hand Drive Models \u003c\/li\u003e \u003cli data-end=\"2733\" data-start=\"2668\"\u003e Precision Fitment with Factory or Aftermarket Exhaust Systems \u003c\/li\u003e \u003cli data-end=\"2804\" data-start=\"2734\"\u003e Lifetime Warranty Against Manufacturing Defects and Fitment Issues \u003c\/li\u003e \u003cli data-end=\"2829\" data-start=\"2805\"\u003e 90-Day Return Policy \u003c\/li\u003e \u003cli data-end=\"2879\" data-start=\"2830\"\u003e Designed for Race Use Only (Not Street Legal) \u003c\/li\u003e \u003cli data-end=\"2914\" data-start=\"2880\"\u003e Ships Within 1–2 Business Days \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-end=\"2928\" data-start=\"2916\"\u003e\u003cstrong data-end=\"2928\" data-start=\"2916\"\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e \u003cul data-end=\"3013\" data-start=\"2930\"\u003e \u003cli data-end=\"2950\" data-start=\"2930\"\u003e 2021+ BMW M3 G80 \u003c\/li\u003e \u003cli data-end=\"2971\" data-start=\"2951\"\u003e 2021+ BMW M4 G82 \u003c\/li\u003e \u003cli data-end=\"2992\" data-start=\"2972\"\u003e 2021+ BMW M4 G83 \u003c\/li\u003e \u003cli data-end=\"3013\" data-start=\"2993\"\u003e 2023+ BMW M2 G87 \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-end=\"3031\" data-start=\"3015\"\u003e\u003cstrong data-end=\"3023\" data-start=\"3015\"\u003eSKU:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMAD-121\u003c\/p\u003e \u003cp data-end=\"3256\" data-start=\"3033\"\u003e\u003cstrong data-end=\"3048\" data-start=\"3033\"\u003eDisclaimer:\u003c\/strong\u003e\u003cbr data-end=\"3051\" data-start=\"3048\"\u003eThis product is intended for\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"3097\" data-start=\"3080\"\u003erace use only\u003c\/strong\u003e. It is not certified for use on public roads and may not comply with local emissions regulations. Always check your local laws before installing this product.\u003c\/p\u003e \u003cp data-end=\"3428\" data-start=\"3263\"\u003e\u003cstrong data-end=\"3428\" data-start=\"3263\"\u003eUpgrade your BMW's performance and unleash the full potential of the S58 engine with the MAD 300 Cell Catted Downpipes—crafted for power, sound, and reliability.\u003c\/strong\u003e\u003c\/p\u003e","brand":"MAD","offers":[{"title":"Default Title","offer_id":43077223940305,"sku":"MAD-121","price":2188.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/1334\/6257\/files\/kies-motorsports-mastery-of-art-and-design-mad-bmw-s58-catted-downpipes-m3-m4-g80-g82-g83-w-no-cel-guarantee-flex-section-1183881994.jpg?v=1777324931","url":"https:\/\/speedfactorracing.com\/products\/mad-bmw-s58-catted-downpipes-m3-m4-g80-g82-g83-w-no-cel-guarantee-flex-section","provider":"Speed Factor","version":"1.0","type":"link"}