{"product_id":"s58-midpipe-g80-m3-g82-g83-m4","title":"S58 MIDPIPES - G80 M3 G82\/G83 M4","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\u003cspan\u003e• Exotic Exhaust Sound\u003cbr\u003e• X-Pipe or H-Pipe Design\u003cbr\u003e• Fits OEM Underbody Brace\u003cbr\u003e• 3\" Design\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e• SS304 Stainless Steel\u003cbr\u003e• Saves 15lbs Over OEM\u003cbr\u003e\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 S58 Midpipe upgrade is designed to unleash the incredible exhaust sounds from your G80 M3\/M4.  By removing the secondary catalysts and two middle resonators, the ARM S58 Midpipes \u003cstrong\u003esubstantially improve the sound of your S58\u003c\/strong\u003e \u003cstrong\u003epowered BMW\u003c\/strong\u003e.  Also, by retaining the OEM muffler, you still have the ability to control the exhaust flaps, allowing you to close them for a more subtle tone for when you want to be quiet, or open the valves for maximum sound.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eWatch the video below to find out more about the differences between the X-Pipe and the H-Pipe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ccenter\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\/7fYuF1TFZe4?si=EhACeeGE33cfxVps\" title=\"YouTube video player\"\u003e\n  \u003c\/iframe\u003e\u003c\/div\u003e\n\u003ccenter\u003e\u003c\/center\u003e\n\u003ch1 style=\"text-align: center;\"\u003e\n\u003cbr\u003eENHANCE THE SOUND OF YOUR S58\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cdiv style=\"text-align: center;\"\u003eThe ARM S58 Midpipes will not only increase the overall volume of your exhaust but also transform the sound into something truly unique from an ordinary G80 M3.  It will also make the exhaust burbles more audible even with OEM tuning.  The G82 M4 in the video below is equipped with both the ARM S58 Midpipes and \u003ca title=\"S58 Downpipes\" href=\"https:\/\/www.armmotorsports.com\/collections\/g80-m3-s58\/products\/s58-downpipes-g80-m3-g82-g83-m4\" target=\"_blank\"\u003eARM S58 Downpipes\u003c\/a\u003e.  Pairing the ARM S58 Midpipes with the \u003ca href=\"https:\/\/www.armmotorsports.com\/collections\/g80-m3-s58\/products\/s58-downpipes-g80-m3-g82-g83-m4\" title=\"S58 Downpipes\" target=\"_blank\"\u003eARM S58 Downpipes\u003c\/a\u003e will increase the overall volume of your S58 even more than the S58 Midpipes alone.  \u003cbr\u003e\u003cbr\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg alt=\"S58 Midpipe\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/S58MidpipeARM1_a4e002a4-a4ce-4cc5-90c3-2eb8011882db_1024x1024.jpg?v=1693340536\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch1 style=\"text-align: center;\"\u003eCONSTRUCTION\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cp style=\"text-align: center;\"\u003eThe ARM S58 Midpipes are a \u003cstrong\u003e3\" design \u003c\/strong\u003efrom the downpipe connection all the way to the rear section where it will reduce to 2.75\" to perfectly connect to the OEM muffler section.  The ARM S58 Midpipes start with a \u003cstrong\u003eOEM-style 2-Bolt flange\u003c\/strong\u003e which can mate up to either the OEM downpipes, or \u003ca title=\"ARM S58 Downpipes\" href=\"https:\/\/www.armmotorsports.com\/collections\/g80-m3-s58\/products\/s58-downpipes-g80-m3-g82-g83-m4\" target=\"_blank\"\u003eupgraded downpipes\u003c\/a\u003e that fit the OEM exhaust\u003cstrong\u003e.  \u003c\/strong\u003eThese flanges will accommodate the OEM midpipe gasket perfectly.  Alternatively, you can choose to upgrade your S58's crossover pipe with the ARM S58 Crossover Pipe.  \u003cstrong\u003eThe optional ARM S58 Crossover Pipe replaces the heavy OEM pipe to open up more sound and saves an additional 4lbs\u003c\/strong\u003e.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/X-PIPE_VS_H-PIPE_1024x1024.png?v=1723831104\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003cbr\u003eThe ARM S58 Midpipes then transition to the X-Pipe or H-Pipe section of the exhaust via the slip-fit connections on either side.  Where the exhaust merges is the heart of the ARM S58 Midpipes where you have the choice between \u003cstrong\u003eX-Pipe or H-Pipe\u003c\/strong\u003e and is where the magic happens.  The sound waves of each bank of your S58 engine are combined to produce a much more exotic and richer exhaust note. The X-Pipe or H-Pipe section lives above the OEM brace with ample clearance, there is no need to install a larger brace. \u003cbr\u003e\u003c\/p\u003e\n\u003ccenter\u003e\n\u003cdiv class=\"embed-container\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/QN4DgnvZmg8\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/center\u003e\n\u003ch1 style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/h1\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ccenter\u003e\u003c\/center\u003e\n\u003cp style=\"text-align: center;\"\u003eFrom the X-Pipe section the ARM S58 Midpipes transition back to the OEM muffler, which allows full use of the OEM exhaust valves.  \u003cstrong\u003eThis gives you the freedom to choose between open and closed exhaust flaps\u003c\/strong\u003e, controlling the volume your G80 M3\/M4 produces.  Upgrade the look of your G8X to match the sound of your ARM S58 Midpipe by completing the kit with a set of \u003ca href=\"https:\/\/www.armmotorsports.com\/collections\/g80-m3-s58\/products\/g80-exhaust-tips-m3-m4\" title=\"S58 Exhaust Tips\" target=\"_blank\"\u003eARM S58 Exhaust Tips\u003c\/a\u003e. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none; display: block; margin-left: auto; margin-right: auto;\" alt=\"S58 Midpipes ARM\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/G8X-EXHAUST-TIPS-M3-M4-G82-G80_9_f4f11e67-7343-4f40-bee9-b1b70f1eb1c2_1024x1024.jpg?v=1693337825\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003cbr\u003eThe ARM S58 Midpipes will secure to the \u003cstrong\u003eexhaust hanger on the driver's side\u003c\/strong\u003e using a standard exhaust hanger prong.  It is secured to the passenger's side using the \u003cstrong\u003eOEM style mounting bracket\u003c\/strong\u003e.  These help the exhaust from jostling around during aggressive driving.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/Drivers_Side_Exhaust_Hanger_1024x1024.png?v=1723830965\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch1 style=\"text-align: center;\"\u003eARM S58 CROSSOVER PIPE\u003c\/h1\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/S58-CROSSOVER-PIPE_1024x1024.jpg?v=1723834518\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003eThe ARM S58 Crossover Pipe \u003cstrong\u003eremoves the extra casting material and sound deadening of the OEM S58 crossover pipe\u003c\/strong\u003e, allowing an increase in sound your S58 produces.  The G82 M4 in the video below is equipped with the ARM S58 Midpipe, S58 Crossover Pipe, and ARM S58 Downpipes, providing an increase in volume over the OEM setup.  Pairing the ARM S58 Midpipes with the ARM S58 Downpipes will increase the overall volume of your S58 significantly more than the ARM S58 Crossover Pipe alone.  \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch1 style=\"text-align: center;\"\u003eAXLE BACK ADAPTERS\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cp style=\"text-align: center;\"\u003eThe \u003cstrong\u003eARM S58 Axle Back Adapters\u003c\/strong\u003e are designed to reduce down at the end of the midpipe to fit most aftermarket axle back systems. Most aftermarket axle back systems reduce down from 3\" (76mm) to 2.75\" (70mm) and that's where the ARM S58 Axle Back Adapters come in.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/s58-axle-back-adapter-1_1024x1024.jpg?v=1723828016\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch1 style=\"text-align: center;\"\u003eIN THE BOX\u003c\/h1\u003e\n\u003cp style=\"text-align: center;\"\u003e• 1x ARM S58 Crossover Pipe (Optional)\u003cbr\u003e\u003cspan\u003e• 2x Front Midpipe Sections\u003cbr\u003e• 1x X-Pipe\/H-Pipe\u003cbr\u003e• 4x Sleeve Clamps\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1 style=\"text-align: center;\"\u003eFITMENT GUIDE\u003c\/h1\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e The ARM S58 H-Pipe and X-Pipe Midpipes fit the OEM center exit exhaust.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 137.157px;\" class=\"appTable\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 12.8707%; height: 19.5938px;\" class=\"app_th make\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"width: 14.9207%; height: 19.5938px;\" class=\"app_th model\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"width: 49.1531%; height: 19.5938px;\" class=\"app_th submodel\"\u003eSubmodel\u003c\/th\u003e\n\u003cth style=\"width: 17.9459%; height: 19.5938px;\" class=\"app_th engine\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 12.8707%; height: 19.5938px;\" class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd style=\"width: 14.9207%; height: 19.5938px;\" class=\"model\"\u003eG80\u003c\/td\u003e\n\u003ctd style=\"width: 49.1531%; height: 19.5938px;\" class=\"submodel\"\u003eM3\u003c\/td\u003e\n\u003ctd style=\"width: 17.9459%; height: 19.5938px;\" class=\"engine\"\u003eS58 3.0L\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 12.8707%; height: 19.5938px;\" class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd style=\"width: 14.9207%; height: 19.5938px;\" class=\"model\"\u003eG80\u003c\/td\u003e\n\u003ctd style=\"width: 49.1531%; height: 19.5938px;\" class=\"submodel\"\u003eM3 Competition xDrive\u003c\/td\u003e\n\u003ctd style=\"width: 17.9459%; height: 19.5938px;\" class=\"engine\"\u003eS58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 12.8707%; height: 19.5938px;\" class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd style=\"width: 14.9207%; height: 19.5938px;\" class=\"model\"\u003eG82\u003c\/td\u003e\n\u003ctd style=\"width: 49.1531%; height: 19.5938px;\" class=\"submodel\"\u003eM4\u003c\/td\u003e\n\u003ctd style=\"width: 17.9459%; height: 19.5938px;\" class=\"engine\"\u003eS58 3.0L\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 12.8707%; height: 19.5938px;\" class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd style=\"width: 14.9207%; height: 19.5938px;\" class=\"model\"\u003eG82\u003c\/td\u003e\n\u003ctd style=\"width: 49.1531%; height: 19.5938px;\" class=\"submodel\"\u003eM4 Competition xDrive\u003c\/td\u003e\n\u003ctd style=\"width: 17.9459%; height: 19.5938px;\" class=\"engine\"\u003eS58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 12.8707%; height: 19.5938px;\" class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd style=\"width: 14.9207%; height: 19.5938px;\" class=\"model\"\u003eG83\u003c\/td\u003e\n\u003ctd style=\"width: 49.1531%; height: 19.5938px;\" class=\"submodel\"\u003eM4\u003c\/td\u003e\n\u003ctd style=\"width: 17.9459%; height: 19.5938px;\" class=\"engine\"\u003eS58 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 12.8707%; height: 19.5938px;\" class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd style=\"width: 14.9207%; height: 19.5938px;\" class=\"model\"\u003eG83\u003c\/td\u003e\n\u003ctd style=\"width: 49.1531%; height: 19.5938px;\" class=\"submodel\"\u003eM4 Competition xDrive\u003c\/td\u003e\n\u003ctd style=\"width: 17.9459%; height: 19.5938px;\" class=\"engine\"\u003eS58 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 rel=\"noopener\" href=\"https:\/\/armmotorsports.com\/pages\/worry-free-lifetime-guarantee\" 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":46185337684140,"sku":"S58MID","price":847.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/4621\/3292\/files\/BMW-G80-G82-M3-M4-MIDPIPE-12.jpg?v=1777114159","url":"https:\/\/allthings-turbo.com\/products\/s58-midpipe-g80-m3-g82-g83-m4","provider":"All Things Turbo","version":"1.0","type":"link"}