{"product_id":"mad-bmw-f-g-chassis-b46-downpipe220-230-320-330-420-430-730-catted","title":"MAD BMW F \u0026 G Chassis B46 Downpipe 220 230 320 330 420 430 730 Catted","description":"\u003cdiv class=\"product-description-container rte\"\u003e\r\r\n\u003cp data-start=\"156\" data-end=\"304\"\u003e\u003cstrong data-start=\"156\" data-end=\"304\"\u003eUpgrade from the stock B46 downpipe to the MAD B46 catted downpipe for maximum airflow, power, and sound.\u003c\/strong\u003e\u003c\/p\u003e\r\r\n\u003cp data-start=\"306\" data-end=\"697\"\u003eThe MAD BMW B46 catted downpipe is the perfect upgrade for getting more performance and a cleaner exhaust tone while keeping your setup street-friendly. The built-in high-flow catalytic converter reduces restriction compared to the factory cat, allowing your turbo to spool quicker and push more power. At the same time, it helps maintain drivability.\u003c\/p\u003e\r\r\n\u003cp data-start=\"699\" data-end=\"829\"\u003eOn a tuned BMW B46 with the stock turbo, you can expect gains of up to \u003cstrong data-start=\"770\" data-end=\"787\"\u003e30 horsepower\u003c\/strong\u003e, with even more on upgraded turbo setups.\u003c\/p\u003e\r\r\n\u003cp data-start=\"831\" data-end=\"949\"\u003eThe flex section helps reduce stress from engine movement and heat cycles, making it a long-lasting, reliable upgrade.\u003c\/p\u003e\r\r\n\u003cp data-start=\"951\" data-end=\"1068\"\u003e\u003cstrong data-start=\"951\" data-end=\"1068\"\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\u003cp data-start=\"1075\" data-end=\"1087\"\u003e\u003cstrong data-start=\"1075\" data-end=\"1087\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\r\r\n\u003cul data-start=\"1089\" data-end=\"1515\"\u003e\r\r\n\u003cli data-start=\"1089\" data-end=\"1122\"\u003e\r\r\n\u003cp data-start=\"1091\" data-end=\"1122\"\u003eHigh-flow catalytic converter\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1089\" data-end=\"1122\"\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 []\"\u003eHigh-flow 200 cell catalytic converter\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1159\" data-end=\"1224\"\u003e\r\r\n\u003cp data-start=\"1161\" data-end=\"1224\"\u003eCompatible with right-hand drive and left-hand drive vehicles\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1225\" data-end=\"1279\"\u003e\r\r\n\u003cp data-start=\"1227\" data-end=\"1279\"\u003eSmooth mandrel bends for maximum flow and no drone\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1280\" data-end=\"1342\"\u003e\r\r\n\u003cp data-start=\"1282\" data-end=\"1342\"\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=\"1343\" data-end=\"1380\"\u003e\r\r\n\u003cp data-start=\"1345\" data-end=\"1380\"\u003eFlex section for added durability\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1381\" data-end=\"1425\"\u003e\r\r\n\u003cp data-start=\"1383\" data-end=\"1425\"\u003eLifetime warranty on fitment and defects\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1451\" data-end=\"1488\"\u003e\r\r\n\u003cp data-start=\"1453\" data-end=\"1488\"\u003eShips within 1 to 2 business days\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1489\" data-end=\"1515\"\u003e\r\r\n\u003cp data-start=\"1491\" data-end=\"1515\"\u003eDirect bolt-on fitment\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003c\/ul\u003e\r\r\n\u003cp data-start=\"1522\" data-end=\"1533\"\u003e\u003cstrong data-start=\"1522\" data-end=\"1533\"\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\r\r\n\u003cdiv class=\"l4lQedPGf8KN1w\" role=\"button\"\u003e\r\r\n\u003cdiv class=\"_4MrlvXRZe6dnu\" data-testid=\"comment-container\"\u003e\r\r\n\u003cdiv class=\"R1RfC8jJFTMJlv Xfg5GTUiZ1tTRp\"\u003e\r\r\n\u003cdiv class=\"kMMW7ykMIXwcjQ Ijf59q3IL0JsER\"\u003e\r\r\n\u003cdiv class=\"uilHrMFcZTKnuh\"\u003e\r\r\n\u003cdiv class=\"ak-renderer-wrapper is-full-width css-1jke4yk\"\u003e\r\r\n\u003cdiv class=\"css-1r3ni1r\"\u003e\r\r\n\u003cdiv class=\"ak-renderer-document\"\u003e\r\r\n\u003cul class=\"ak-ul\" data-indent-level=\"1\"\u003e\r\r\n\u003cli\u003e\r\r\n\u003cp data-renderer-start-pos=\"77\"\u003e2016-2024 BMW 320i, 330e, 330i (F chassis and G chassis) I\u0026amp;X\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli\u003e\r\r\n\u003cp data-renderer-start-pos=\"142\"\u003e2016-2024 Vert-2025 BMW 420i and 430i I\u0026amp;X\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli\u003e\r\r\n\u003cp data-renderer-start-pos=\"187\"\u003e2018-2023 g30 BMW 530 I\u0026amp;X\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli\u003e\r\r\n\u003cp data-renderer-start-pos=\"216\"\u003e2020-2025 2.0 Toyota Supra\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli\u003e\r\r\n\u003cp data-renderer-start-pos=\"246\"\u003e2017-2025 z4 G29\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003c\/ul\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003cdiv class=\"k0CzrlJuI35cY8\"\u003e\r\r\n\u003cdiv class=\"rHlYGFm93Wv4G0\" aria-label=\"Add reaction\"\u003e\r\r\n\u003cdiv class=\"YcJ2wT8lLQ7wY6 oPz6HcNyhzuU0Y MMIj7U7I2Pzhmo\"\u003e\r\r\n\u003cdiv\u003e \u003c\/div\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003c\/div\u003e\r\r\n\u003cp data-start=\"1701\" data-end=\"1712\"\u003e\u003cstrong data-start=\"1701\" data-end=\"1709\"\u003eNote\u003c\/strong\u003e:\u003c\/p\u003e\r\r\n\u003cul data-start=\"1713\" data-end=\"1805\"\u003e\r\r\n\u003cli data-start=\"1713\" data-end=\"1754\"\u003e\r\r\n\u003cp data-start=\"1715\" data-end=\"1754\"\u003eU.S. model fitment only (B46 engines)\u003c\/p\u003e\r\r\n\u003c\/li\u003e\r\r\n\u003cli data-start=\"1755\" data-end=\"1805\"\u003e\r\r\n\u003cp data-start=\"1757\" data-end=\"1805\"\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=\"1807\" data-end=\"1823\"\u003e\u003cstrong data-start=\"1807\" data-end=\"1815\"\u003eSKU:\u003c\/strong\u003e MAD-132\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\u003cp data-start=\"152\" data-end=\"261\"\u003e \u003c\/p\u003e\r\r\n\u003c\/div\u003e","brand":"Mastery of Art and Design","offers":[{"title":"Default Title","offer_id":47901199991002,"sku":"MAD-132","price":329.0,"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_fcb97aa6__06393.1754325361.386.513_b5c843f9-d645-4cb4-a027-129d44932828.jpg?v=1779311962","url":"https:\/\/www.zero-offset.com\/products\/mad-bmw-f-g-chassis-b46-downpipe220-230-320-330-420-430-730-catted","provider":"Zero Offset","version":"1.0","type":"link"}