{"product_id":"6-arm-bmw-b58-cattes-downpipe-240i-340i-440i-540i-640i-740i-supra","title":"ARM 6\" BMW B58 Catted Downpipe - 240i 340i 440i 540i 640i 740i Supra","description":"\u003cdiv class=\"shopify-section-wrapper section\"\u003e\n\u003cdiv id=\"shopify-section-template--17327906029683__16449491791b7d875e\" class=\"shopify-section shopify-section--custom-liquid\"\u003e\n\u003csection class=\"section\"\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"one-whole column\"\u003e\n\u003cdiv\u003e\n\u003ch1\u003eHIGHLIGHTS\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e• 6\" 200 Cell High-Flow Catalyst\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\u003e\n\u003cdiv\u003e\u003cspan\u003e• Stage 2+ Tune Compatibility\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e  \u003c\/span\u003e\u003c\/div\u003e\n\u003ch1\u003ePROFILE\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003eThe ARM 6\" B58 Catted Downpipe is perfect if you're looking for all of the performance of a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/automo365.com\/products\/arm-6-bmw-supra-b58-downpipe-240i-340i-440i-540i-640i-740i-supra?_pos=1\u0026amp;_psq=arm+6\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"B58 Downpipe\"\u003eCatless B58 Downpipe\u003c\/a\u003e\u003ca href=\"https:\/\/armmotorsports.com\/collections\/f30-340i\/products\/b58-6in-downpipe-240i-340i-440i-540i-640i-740i\" title=\"B58 Downpipe\"\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ewithout the odor associated with increased emissions. Our B58 Catted Downpipe design incorporates a 6\" high-flow 200 cell ceramic catalytic converter, making it a standout choice for those seeking power without while reducing emissions. The increased volume and improved turbo spool that from the catless variations are still present in our 6\" B58 Catted Downpipe.\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"B58 6in Downpipe\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/B586indownpipe_600x600.png?v=1699482887\"\u003e\u003cbr\u003e\u003cbr\u003eThe ARM 6\" Catted B58 Downpipe replaces the restrictive factory downpipe with a 200 cell catalyst with a 6\" diameter that significantly improves exhaust flow. This upgrade unlocks additional power and torque while reducing emissions compared to a full catless B58 downpipe, allowing you to safely run Stage 2+ tunes and enjoy a more vibrant sound from your B58-powered BMW.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" height=\"315\" width=\"560\" src=\"https:\/\/www.youtube.com\/embed\/Kxw8VZNjvXU?si=fVsGqOfST4z7JB4I\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch1\u003eENHANCE THE SOUND OF YOUR B58\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cdiv\u003eThe ARM 6\" B58 Catted Downpipe amplifies the overall volume of your B58's exhaust, bringing out the burbles and enhancing the audible presence of the turbo spool, even on the OEM tune.  Below is a sound clip of the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/automo365.com\/products\/arm-6-bmw-supra-b58-downpipe-240i-340i-440i-540i-640i-740i-supra?_pos=1\u0026amp;_psq=arm+6\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" title=\"B58 Downpipe\" rel=\"noopener\"\u003eARM 6\" Catless Downpipe\u003c\/a\u003e, paired with our\u003ca href=\"https:\/\/automo365.com\/products\/arm-bmw-240i-340i-440i-b58-midpipe-upgrade?_pos=1\u0026amp;_psq=b58+midpipe\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"b58 midpipe\"\u003e\u003cspan\u003e \u003c\/span\u003eB58 Midpipe\u003c\/a\u003e\u003ca href=\"https:\/\/bmwmpower247.com\/products\/arm-240i-340i-440i-b58-midpipe-upgrade?_pos=1\u0026amp;_psq=m240+midpipe\u0026amp;_ss=e\u0026amp;_v=1.0\u0026amp;variant=44261312331988\" title=\"B58 Midpipe 340i\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e, and\u003cspan\u003e \u003c\/span\u003eSingle Exit Exhaust. \u003cbr\u003e\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/8IzIzkCLKX0?si=bi7qkuwZEjqeEUcr\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch1\u003eCONSTRUCTION\u003c\/h1\u003e\n\u003cp\u003eThe ARM 6\" B58 Catted Downpipe starts with a 4.5\" diameter precision CNC machined turbo V-band flange which matches up perfectly to the OEM turbo or upgraded turbo with an OEM flange.  It then rapidly transitions to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e6\" OD high-flow catted section\u003c\/strong\u003e. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg 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\u003e\u003cbr\u003e\u003cbr\u003eThe ARM 6\" B58 Catted Downpipe features two O2 sensor bungs to allow for reinstallation of the OEM oxygen sensors. \u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eThe 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\u003cspan\u003e \u003c\/span\u003eduring installation.  The post-catalyst O2 sensor bung comes with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebuilt-in extension\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto 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 size to allow it to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econnect to the OEM midpipe or the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/automo365.com\/products\/arm-bmw-240i-340i-440i-b58-midpipe-upgrade?_pos=1\u0026amp;_psq=b58+midpipe\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" title=\"340i Midpipe\" rel=\"noopener\"\u003eARM B58 Midpipe Upgrade\u003c\/a\u003e\u003ca href=\"https:\/\/bmwmpower247.com\/products\/arm-240i-340i-440i-b58-midpipe-upgrade?_pos=1\u0026amp;_psq=m240+midpipe\u0026amp;_ss=e\u0026amp;_v=1.0\u0026amp;variant=44261312331988\" title=\"340i Midpipe\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\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\u003eThe ARM 6\" B58 Downpipe is further secured by the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2-bolt bracket\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhich utilizes the OEM downpipe mounting points.\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\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\u003eIN THE BOX\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cdiv\u003e\n\u003cspan\u003e• ARM 6\" B58 Downpipe\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\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 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\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/armmotorsports.com\/pages\/worry-free-lifetime-guarantee\" rel=\"noopener\" target=\"_blank\"\u003eARM MOTORSPORTS LIFETIME WARRANTY\u003c\/a\u003e\u003c\/strong\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\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"shopify-section-template--17327906029683__recently-viewed\" class=\"shopify-section shopify-section--recently-viewed-products\"\u003e\n\u003cdiv class=\"js-recently-viewed recently-viewed__section\" data-visible-products=\"6\" data-recently-viewed-items-loaded=\"true\"\u003e\n\u003csection class=\"section\"\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"one-whole column\"\u003e\n\u003cdiv class=\"recently-viewed-products__title\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Automotive365","offers":[{"title":"Default Title","offer_id":45034873585872,"sku":null,"price":597.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/8639\/6880\/files\/1767EECC-EF32-4130-866B-0A9ABAD40540.jpg?v=1780970077","url":"https:\/\/automo365.com\/products\/6-arm-bmw-b58-cattes-downpipe-240i-340i-440i-540i-640i-740i-supra","provider":"Automotive365","version":"1.0","type":"link"}