{"product_id":"mad-bmw-f-g-chassis-b46-downpipe220-230-320-330-420-430-730-catless","title":"MAD BMW F \u0026 G Chassis B46 Downpipe 220 230 320 330 420 430 730 Catless","description":"\u003cdiv class=\"product-description-container rte\"\u003e\r\r\n\u003cp data-start=\"152\" data-end=\"261\"\u003e\u003cstrong data-start=\"152\" data-end=\"261\"\u003eUpgrade from the stock B46 downpipe to the MAD B46 catless downpipe for maximum airflow, power, and sound\u003c\/strong\u003e\u003c\/p\u003e\r\r\n\u003cp data-start=\"263\" data-end=\"639\"\u003eThe MAD BMW B46 catless downpipe is the perfect upgrade for unlocking the full potential of your turbocharged engine. By removing the restrictive factory catalytic converter, this downpipe allows your turbo to spool faster and more efficiently, giving you better throttle response and more power across the rev range. You’ll also notice a deeper, more aggressive exhaust tone.\u003c\/p\u003e\r\r\n\u003cp data-start=\"641\" data-end=\"781\"\u003eOn a tuned BMW B46 with the stock turbo, you can expect gains of up to \u003cstrong data-start=\"712\" data-end=\"729\"\u003e30 horsepower\u003c\/strong\u003e, with even more potential on upgraded turbo setups.\u003c\/p\u003e\r\r\n\u003cp data-start=\"783\" data-end=\"955\"\u003eThe built-in flex section helps reduce stress on the system by absorbing vibration and movement from the engine and heat cycles, making it a reliable and long-term upgrade.\u003c\/p\u003e\r\r\n\u003cp data-start=\"957\" data-end=\"1074\"\u003e\u003cstrong data-start=\"957\" data-end=\"1074\"\u003eThis downpipe is designed specifically for U.S. B46 models and is not compatible with vehicles equipped with OPF.\u003c\/strong\u003e\u003c\/p\u003e\r\r\n\u003chr data-start=\"1076\" data-end=\"1079\"\u003e\r\r\n\u003cp data-start=\"1081\" data-end=\"1093\"\u003e\u003cstrong data-start=\"1081\" data-end=\"1093\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\r\r\n\u003cul data-start=\"1095\" data-end=\"1498\"\u003e\r\r\n\u003cli data-start=\"1095\" data-end=\"1165\"\u003e\r\r\n\u003cp data-start=\"1097\" data-end=\"1165\"\u003eCompatible with both right-hand drive and left-hand drive vehicles\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1166\" data-end=\"1222\"\u003e\r\r\n\u003cp data-start=\"1168\" data-end=\"1222\"\u003eSmooth mandrel bends for maximum flow and zero drone\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1223\" data-end=\"1285\"\u003e\r\r\n\u003cp data-start=\"1225\" data-end=\"1285\"\u003eUp to 30HP gain on stock turbos, more with upgraded setups\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1286\" data-end=\"1348\"\u003e\r\r\n\u003cp data-start=\"1288\" data-end=\"1348\"\u003eFlex section for added durability and vibration absorption\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1349\" data-end=\"1393\"\u003e\r\r\n\u003cp data-start=\"1351\" data-end=\"1393\"\u003eLifetime warranty on fitment and defects\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1419\" data-end=\"1456\"\u003e\r\r\n\u003cp data-start=\"1421\" data-end=\"1456\"\u003eShips within 1 to 2 business days\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1457\" data-end=\"1498\"\u003e\r\r\n\u003cp data-start=\"1459\" data-end=\"1498\"\u003ePrecision fitment for an easy install\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003c\/ul\u003e\r\r\n\u003chr data-start=\"1500\" data-end=\"1503\"\u003e\r\r\n\u003cp data-start=\"1505\" data-end=\"1516\"\u003e\u003cstrong data-start=\"1505\" data-end=\"1516\"\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\r\r\n\u003cul data-start=\"1518\" data-end=\"1682\"\u003e\r\r\n\u003cli data-start=\"1518\" data-end=\"1551\"\u003e\r\r\n\u003cp data-start=\"1520\" data-end=\"1551\"\u003e2016 and up BMW 120i and 125i\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1552\" data-end=\"1585\"\u003e\r\r\n\u003cp data-start=\"1554\" data-end=\"1585\"\u003e2016 and up BMW 220i and 230i\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1586\" data-end=\"1648\"\u003e\r\r\n\u003cp data-start=\"1588\" data-end=\"1648\"\u003e2016 and up BMW 320i, 330e, 330i (F chassis and G chassis)\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1649\" data-end=\"1682\"\u003e\r\r\n\u003cp data-start=\"1651\" data-end=\"1682\"\u003e2016 and up BMW 420i and 430i\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli\u003e2020+ 2.0 Toyota Supra\u003c\/li\u003e\r\r\n\u003c\/ul\u003e\r\r\n\u003cp data-start=\"1684\" data-end=\"1695\"\u003e\u003cstrong data-start=\"1684\" data-end=\"1692\"\u003eNote\u003c\/strong\u003e:\u003c\/p\u003e\r\r\n\u003cul data-start=\"1696\" data-end=\"1788\"\u003e\r\r\n\u003cli data-start=\"1696\" data-end=\"1737\"\u003e\r\r\n\u003cp data-start=\"1698\" data-end=\"1737\"\u003eU.S. model fitment only (B46 engines)\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1738\" data-end=\"1788\"\u003e\r\r\n\u003cp data-start=\"1740\" data-end=\"1788\"\u003eNot compatible with vehicles equipped with OPF\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003c\/ul\u003e\r\r\n\u003cp data-start=\"1790\" data-end=\"1808\"\u003e\u003cstrong data-start=\"1790\" data-end=\"1798\"\u003eSKU:\u003c\/strong\u003e MAD-131\u003c\/p\u003e\r\r\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\" data-pm-slice=\"1 1 []\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eEmissions Disclaimer:\u003c\/strong\u003e\u003cbr data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"hardBreak\" data-prosemirror-node-inline=\"true\"\u003eThis product is \u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003enot legal for sale or use on pollution-controlled vehicles\u003c\/strong\u003e operated on public roads, highways, or streets. It is \u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eintended for off-road, race, or closed-course competition use only\u003c\/strong\u003e, where such modifications are permitted.\u003c\/p\u003e\r\r\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eBy purchasing this product, you acknowledge and agree that:\u003c\/p\u003e\r\r\n\u003cul class=\"ak-ul\" data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"bulletList\" data-prosemirror-node-block=\"true\"\u003e\r\r\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\r\r\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eYou are \u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eresponsible for compliance\u003c\/strong\u003e with all applicable emissions laws and regulations.\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\r\r\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eMAD and its affiliates \u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003edisclaim any liability\u003c\/strong\u003e for improper or unlawful use of this product.\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\r\r\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eUse of this part on public roads may violate the \u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eFederal Clean Air Act (42 U.S.C. § 7522)\u003c\/strong\u003e and similar state laws.\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003c\/ul\u003e\r\r\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003ePlease check your local laws before purchase and installation.\u003c\/p\u003e\r\r\n\u003c\/div\u003e","brand":"Mastery of Art and Design","offers":[{"title":"Default Title","offer_id":47901199958234,"sku":"MAD-131","price":219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/2306\/1978\/files\/WhatsApp_Image_2025-07-10_at_11.49.19_126e649c__18287.1754325264.386.513_e138e406-a2cc-4980-9267-4117ef2f11e1.jpg?v=1779311961","url":"https:\/\/www.zero-offset.com\/products\/mad-bmw-f-g-chassis-b46-downpipe220-230-320-330-420-430-730-catless","provider":"Zero Offset","version":"1.0","type":"link"}