{"product_id":"arm-s55-3-5-resonated-single-midpipe-upgrade-f80-m3-f82-f83-m4","title":"ARM S55 3.5\" Resonated Single Midpipe Upgrade - F80 M3 | F82 \/ F83 M4","description":"\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eNOT FOR SALE IN CA. \u003cspan style=\"text-decoration: underline;\"\u003eFOR OFF-ROAD USE ONLY.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIntroducing the ARM Motorsports S55 Single Midpipe Upgrade for the F8X platform, the ultimate solution for S55 enthusiasts seeking to enhance the power and sound from their S55-powered BMW. This S55 Midpipe upgrade delivers improved exhaust flow and an incredible exhaust note due to the \u003cstrong\u003eresonated 3.5\" design\u003c\/strong\u003e.  Check out the clips below to hear the ARM S55 Midpipe paired with the ARM S55 Resonated Downpipes.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e- Up to +20whp \/ 30wtq\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e- Improved Exhaust Note\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- 304 Stainless Steel\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e- Faster Turbo Spool\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e- Fits OEM and Aftermarket Mufflers\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch1\u003e\u003cbr\u003e\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/Untitleddesign_40_600x600.png?v=1677191841\" alt=\"\"\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003ch1\u003eCONSTRUCTION\u003c\/h1\u003e\n\u003cspan\u003eCrafted from 304 stainless steel, the ARM S55 Midpipe Upgrade is built to last. Its mandrel-bent tubing ensures smooth, unrestricted flow, while the \u003cstrong\u003elightweight design of only 17lbs \u003c\/strong\u003ereduces overall weight of the exhaust system by 15lbs.\u003cstrong\u003e \u003c\/strong\u003eWhen paired with the ARM S55 Track Exhaust,\u003cstrong\u003e you shave an incredible 40lbs off compared to the OEM exhaust system.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cdiv data-src=\"https:\/\/www.youtube.com\/embed\/wUY2V7cnVvo\" data-ratio=\"16:9\" class=\"lazyframe lazyframe--loaded\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wUY2V7cnVvo\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv data-src=\"https:\/\/www.youtube.com\/embed\/wUY2V7cnVvo\" data-ratio=\"16:9\" class=\"lazyframe lazyframe--loaded\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-src=\"https:\/\/www.youtube.com\/embed\/wUY2V7cnVvo\" data-ratio=\"16:9\" class=\"lazyframe lazyframe--loaded\"\u003e\n\u003cdiv\u003eThe ARM S55 Single Midpipe starts at the downpipe connections with a precision Y-pipe.  This allows you to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econnect the ARM S55 Midpipe to any downpipe upgrade that fits the OEM S55 Midpipe\u003c\/strong\u003e, including the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.armmotorsports.com\/collections\/f80-m3\/products\/f80-m3-downpipes\" title=\"ARM S55 Downpipes\" target=\"_blank\"\u003eARM S55 Downpipes\u003c\/a\u003e.\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/products\/20220829_152435_600x600.jpg?v=1677191805\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis section of the ARM S55 Midpipe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eincludes a 4.5\" resonator to tune the tone of the exhaust into a deeper, more desirable range\u003c\/strong\u003e, as the S55 is notorious for having a high-pitched, raspy exhaust note.  Paired with the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.armmotorsports.com\/collections\/f80-m3\/products\/f80-m3-downpipes\" title=\"ARM S55 Downpipes\" target=\"_blank\"\u003eARM S55 Downpipes\u003c\/a\u003e, the ARM S55 Midpipe will make your F8X one of the best sounding on the road.   \u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/products\/20220829_152413_600x600.jpg?v=1677191805\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\nThe next section of the ARM S55 Midpipe Upgrade transitions again to a Y-pipe, which allows you to reconnect your OEM muffler.  This Y-pipe connects to the single midpipe with a slip-fit connection and then utilizes the two 2.5\" pipes included in the ARM S55 Midpipe Upgrade to extend to the OEM rear muffler section, or to the ARM S55 Track Exhaust.\u003cbr\u003e\u003cbr\u003eDue to the larger size of the ARM S55 Midpipe, the OEM under-brace cannot be utilized. To address this, the ARM S55 Midpipe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eincludes a specially designed under-brace\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ethat is specifically engineered to fit with the larger midpipe\u003c\/strong\u003e.  The under brace included in the ARM S55 Midpipe Kit is designed with  precision and manufactured from 6061 aluminum to ensure strength, durability, and a perfect fit, while keeping the weight to a minimum.  Installation of the under brace is a simple bolt-on process and mounts directly to the factory mounting points, ensuring a secure and stable fit.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/3V0A3766_765f67e6-c76a-461e-8d3d-9347c87841b9_600x600.jpg?v=1677260754\"\u003e\u003cbr\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch1\u003eIN THE BOX\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cdiv\u003e\n\u003cspan\u003e• ARM S55 Midpipe\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• CNC Machined Brace\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• 5x Exhaust Clamps\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch1\u003eFITMENT GUIDE\u003cbr\u003e\n\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThe ARM S55 Midpipe Upgrade will fit any downpipes that connect to the OEM midpipes.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\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\"\u003eF80\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003eM3\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eS55 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF82\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003eM4\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eS55 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"make\"\u003eBMW\u003c\/td\u003e\n\u003ctd class=\"model\"\u003eF83\u003c\/td\u003e\n\u003ctd class=\"submodel\"\u003eM4\u003c\/td\u003e\n\u003ctd class=\"engine\"\u003eS55 3.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch1\u003eARM MOTORSPORTS LIFETIME WARRANTY\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. The warranty entitles you to a replacement unit.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ARM Motorsports","offers":[{"title":"Default Title","offer_id":42569489514580,"sku":"S55MID","price":647.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/2589\/9860\/files\/Untitleddesign_40_5000x_491c3ce8-64d4-4c09-90e6-ff6c83732b12.webp?v=1760237074","url":"https:\/\/87fj50-t2.myshopify.com\/products\/arm-s55-3-5-resonated-single-midpipe-upgrade-f80-m3-f82-f83-m4","provider":"motorsports","version":"1.0","type":"link"}