{"product_id":"active-autowerke-bmw-m3-m4-f80-f82-f83-single-midpipe","title":"Active Autowerke BMW M3\/M4 (F80\/F82\/F83) Single Midpipe","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThis is one of the most popular modifications available for the S55, and for good reason. The factory exhaust on the F8X M3\/M4 uses a dual-pipe design that restricts exhaust flow and produces an unnaturally flat, almost \"lawnmower-like\" drone rather than a proper M-series growl. Active Autowerke's 3.5in Single Midpipe solves both problems at once, improving flow, delivering a deeper, more throaty tone, and letting the turbos spool more quickly.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe pipe is engineered specifically around the F8X chassis for a precise fit with no ground clearance issues. Built from 304 stainless steel with an oval profile section, it combines maximum flow efficiency with genuine durability and a perfect factory-matching fit. On the dyno, this single midpipe shows real, measurable gains, \u003cstrong\u003e+18hp and +30Nm\u003c\/strong\u003e over stock, with noticeably sharper response through the low and mid rev range, and an exhaust note that finally sounds like a proper BMW M car should.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWorks with:\u003c\/strong\u003e Factory mounting points. Plug-and-play installation with no permanent modification required.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Single Midpipe\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDyno-proven gains of +18hp and +30Nm over stock\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e3.5in diameter with an oval profile for optimal ground clearance\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDeeper, more purposeful sound, eliminates the factory's flat \"lawnmower\" drone\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFaster turbo spool from reduced backpressure and improved exhaust flow\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLighter than the factory dual-pipe midsection\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e304 stainless steel construction with high-quality welds throughout\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePlug-and-play fitment, no permanent modification required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F80 M3 Sedan (2014-2020)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F82 M4 Coupe (2014-2020)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F83 M4 Cabriolet (2014-2020)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"shopify-section section\" id=\"shopify-section-template--23383691428165__main\"\u003e\n\u003cdiv class=\"page-width\"\u003e\n\u003cdiv class=\"product product--small product--left product--thumbnail_slider product--mobile-show grid grid--1-col grid--2-col-tablet\"\u003e\n\u003cdiv class=\"product__info-wrapper grid__item product__info-wrapper--extra-padding scroll-trigger animate--slide-in\"\u003e\n\u003csection class=\"product__info-container product__column-sticky\" id=\"ProductInfo-template--23383691428165__main\"\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Active Autowerke","offers":[{"title":"Non Resonated","offer_id":54423747101005,"sku":"AAW-MPS-S55-001","price":1135.28,"currency_code":"EUR","in_stock":false},{"title":"Resonated","offer_id":54423747133773,"sku":"AAW-MPS-S55-001","price":1389.38,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/Active-Autowerke-BMW-m3-m4-f80-f82-f83-single-midpipe.jpg?v=1785350335","url":"https:\/\/i6tuning.com\/products\/active-autowerke-bmw-m3-m4-f80-f82-f83-single-midpipe","provider":"i6 Tuning","version":"1.0","type":"link"}