{"product_id":"b58-6in-downpipe-240i-340i-440i-540i-640i-740i","title":"6\" B58 DOWNPIPE - 240i 340i 440i 540i 640i 740i","description":"\u003c!--Start tab labels--\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e30 Day Money-Back Guarantee\u003cspan\u003e | \u003cspan style=\"color: rgb(2, 142, 16);\"\u003e\u003cstrong\u003eIN STOCK\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!--Start tab content--\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\" id=\"tab1\" style=\"display: block;\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/WarrantySeal.png?v=1592509980\" alt=\"\" width=\"300\" height=\"88\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003ca class=\"ssl\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/Icon_FreeShipping.gif?v=1592509988\" alt=\"\" width=\"150\" height=\"44\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c!-- split --\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch1 style=\"text-align: center;\"\u003eHIGHLIGHTS\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan\u003e• 6\" High-Flow Section\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Improved Exhaust Sound\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Faster Turbo Spool\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e• Safely Flash Stage 2+ Tunes\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e• SS304 Stainless Steel\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e  \u003c\/span\u003e\u003c\/div\u003e\n\u003ch1 style=\"text-align: center;\"\u003ePROFILE\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003eThe ARM 6\" B58 Downpipe takes the title of being \u003cstrong\u003ethe largest catless downpipe available for the B58 platform! \u003c\/strong\u003e The sound coming from your B58 with the 6\" section of the ARM B58 Downpipe will astonish you.  Even deeper tones, even better sound, and improved turbo spool.  \u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"B58 Downpipe 6in\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/B58DOWNPIPEFULLKIT_1_53df52a2-5971-4230-b14b-06953a718740_600x600.png?v=1725032671\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003eThe ARM 6\" B58 Downpipe is one of the foundational upgrades for giving your B58-powered BMW more power, torque, and sound.  The stock B58 downpipe comes from the factory with a catalyst that severely restricts exhaust flow, causing excessive backpressure with increased boost.  Upgrading to the ARM 6\" B58 Downpipe unlocks power, improves turbo spool, allows you to safely run stage 2+ tuning, all while improving the sound of your B58-powered BMW.   \u003cbr\u003e\u003c\/p\u003e\n\u003ccenter\u003e\u003ccenter\u003e\u003c\/center\u003e\u003c\/center\u003e\n\u003cstyle\u003e\n  .responsive-video {\n    position: relative;\n    padding-bottom: 56.25%; \/* 16:9 ratio — adjust if needed *\/\n    height: 0;\n    overflow: hidden;\n    max-width: 100%;\n    background: #000; \/* Optional: fallback background *\/\n  }\n\n  .responsive-video iframe {\n    position: absolute;\n    top: 0;\n    left: 0;\n    width: 100%;\n    height: 100%;\n    border: 0;\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"responsive-video\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/E8L7bNhs3js?si=uPqClT16tLOew5mH\" title=\"YouTube video player\"\u003e\n  \u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1 style=\"text-align: center;\"\u003eENHANCE THE SOUND OF YOUR B58\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cdiv style=\"text-align: center;\"\u003eThe ARM 6\" B58 Downpipe will noticeably increase the overall volume of your B58, open up the exhaust burbles even on OEM programming, and make the turbo spool significantly more audible.  \u003cbr\u003e\u003cbr\u003e\u003ccenter\u003e\u003c\/center\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .responsive-video {\n    position: relative;\n    padding-bottom: 56.25%; \/* 16:9 ratio — adjust if needed *\/\n    height: 0;\n    overflow: hidden;\n    max-width: 100%;\n    background: #000; \/* Optional: fallback background *\/\n  }\n\n  .responsive-video iframe {\n    position: absolute;\n    top: 0;\n    left: 0;\n    width: 100%;\n    height: 100%;\n    border: 0;\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"responsive-video\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/8IzIzkCLKX0?si=uwsm7RFdkq8SqNKG\"\u003e\n  \u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ccenter\u003e\u003c\/center\u003e\n\u003ch1 style=\"text-align: center;\"\u003eCONSTRUCTION\u003c\/h1\u003e\n\u003cp style=\"text-align: center;\"\u003eThe ARM 6\" B58 Downpipe is built with \u003cstrong\u003eSS304 stainless steel\u003c\/strong\u003e \u003cstrong\u003eand is TIG welded\u003c\/strong\u003e.  The ARM 6\" B58 Downpipe starts with a 4.5\" diameter precision CNC machined turbo V-band flange which rapidly transitions to the \u003cstrong\u003e6\" OD high-flow section\u003c\/strong\u003e.  \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"B58 Downpipe\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/products\/3V0A3326_600x600.jpg?v=1671145612\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003cbr\u003eThe ARM 6\" B58 Downpipe features two O2 sensor bungs to allow for reinstallation of the OEM oxygen sensors. \u003cstrong\u003e The pre-catalyst O2 sensor bung is located closer to the turbo on the ARM 6\" B58 Downpipe to avoid stretching the O2 sensor wires\u003c\/strong\u003e during installation.  The post-catalyst O2 sensor bung comes with a \u003cstrong\u003ebuilt-in extension\u003c\/strong\u003e to allow the sensor to reach around the 6\" section of the downpipe.  \u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/B58-DOWNPIPE-6-INCH-M240i-M340i-3_600x600.jpg?v=1699457170\" alt=\"\"\u003e\u003cbr\u003e\u003cbr\u003eThe ARM 6\" B58 Downpipe then reduces to the OEM 3.1\" diameter to allow it to \u003cstrong\u003econnect to the OEM midpipe or the ARM B58 Midpipe Upgrade\u003c\/strong\u003e.  The flex section is incorporated into the ARM 6\" B58 Downpipe to relieve stress on the turbo during aggressive driving.\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/B58-DOWNPIPE-6-INCH-M240i-M340i-1_600x600.jpg?v=1699457170\" alt=\"\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003eThe ARM 6\" B58 Downpipe is further secured by the \u003cstrong\u003e2-bolt bracket\u003c\/strong\u003e which utilizes the OEM downpipe mounting points.\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/B58-DOWNPIPE-6-INCH-M240i-M340i-4_600x600.jpg?v=1699457167\"\u003e\u003cbr\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch1 style=\"text-align: center;\"\u003eIN THE BOX\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan\u003e• ARM 6\" B58 Downpipe\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1 style=\"text-align: center;\"\u003eFITMENT GUIDE\u003c\/h1\u003e\n\u003ctable class=\"appTable\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"app_th make\"\u003eMake\u003c\/th\u003e\n\u003cth class=\"app_th model\"\u003eModel\u003c\/th\u003e\n\u003cth class=\"app_th submodel\"\u003eSubmodel\u003c\/th\u003e\n\u003cth class=\"app_th engine\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF22\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003eM240i\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF22\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003eM240i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF23\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003eM240i\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF23\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003eM240i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF30\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e340i\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF30\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e340i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF32\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e440i\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF32\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e440i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF33\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e440i\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF33\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e440i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF34\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e340i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF36\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e440i\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF36\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e440i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eG30\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e540i\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eG30\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e540i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eG32\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e640i\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eG32\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e640i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eG12\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e740i\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eG12\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e740i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eG15\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e840i\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eG15\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003e840i xDrive\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eG05\u003c\/td\u003e\n\u003ctd\u003eX5 40i\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eTOYOTA\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eA90\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003eSupra\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eTOYOTA\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eA91\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003eSupra\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eB58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\u003e\n\u003ch1\u003e\n\u003ca href=\"https:\/\/armmotorsports.com\/pages\/worry-free-lifetime-guarantee\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eARM MOTORSPORTS LIFETIME WARRANTY\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eEvery ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase. Your warranty protects you against any defects in craftsmanship or fitment. The warranty entitles you to a replacement unit.\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis product is for \u003cstrong\u003eOff-Road Use Only\u003c\/strong\u003e. Items sold for off-road use only are illegal to use on public roads in most states and provinces. This product is intended for racing vehicles which may never be used on a public road.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ARM Motorsports","offers":[{"title":"Default Title","offer_id":46185337258156,"sku":"B58DP6","price":327.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/4621\/3292\/files\/B58-DOWNPIPE-6-INCH-M240i-M340i-5.jpg?v=1777114153","url":"https:\/\/allthings-turbo.com\/products\/b58-6in-downpipe-240i-340i-440i-540i-640i-740i","provider":"All Things Turbo","version":"1.0","type":"link"}