{"product_id":"dinan-high-flow-middle-midpipe-exhaust-bmw-g80-m3-g82-m4-2021","title":"Dinan High Flow Middle Exhaust for BMW M3 \/ M4 2021-2025","description":"\u003cdiv class=\"full_description\"\u003e\n\n\u003cdiv class=\"full_description\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"full_description\"\u003e\n\u003cdiv class=\"full_description\"\u003e\n\u003cdiv class=\"full_description\"\u003e\n\u003cdiv class=\"full_description\"\u003e\n\u003cdiv class=\"full_description\"\u003e\n\u003cdiv class=\"full_description\"\u003e\n\u003cdiv class=\"full_description\"\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: #ff2a00;\" data-mce-style=\"color: #ff2a00;\"\u003eDinan High Flow Middle Exhaust for BMW M3 \/ M4 2021-2025\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cdiv id=\"pro_desc\" class=\"product-single__description rte\" itemprop=\"description\"\u003e\n\u003cdiv id=\"tabs-1\" aria-labelledby=\"ui-id-1\" role=\"tabpanel\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" aria-hidden=\"false\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv class=\"widget_text\"\u003e\u003ca href=\"https:\/\/documents.dinancars.com\/d1956b8a1b6003e93d5521c4281d25117337aa07.pdf\" title=\"Instruction Sheet\"\u003e\u003cem\u003e\u003cstrong\u003eInstructions for Part# \u003cspan id=\"partnumber\" data-partnumber=\"D660-0057\" itemprop=\"mpn\"\u003eD660-\u003cspan\u003e0094\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"widget_text\"\u003e\n\u003cem\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cem\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/em\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e \u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"accordion-row\"\u003e\n\u003cdiv class=\"row-contents active\"\u003e\n\u003cdiv class=\"widget_info\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv class=\"accordion-row\"\u003e\n\u003cdiv class=\"row-contents active\"\u003e\n\u003cdiv class=\"widget_info\"\u003eOnly confirmed to fit with the Dinan Free Flow Axle Back and stock exhaust systems. Fitment with other axle back units is not guaranteed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"widget_info\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eDinan Middle Exhaust for the G80 M3 and G82\/G83 M4\u003c\/strong\u003e is crafted for drivers seeking to amplify the car's sound profile while keeping the stock muffler for a budget-conscious enhancement. This middle exhaust transforms the acoustics with a bolder, louder, and sportier tone, adding a level of sophistication while remaining upgradeable for those who may want to add the Dinan axle-back exhaust in the future for an even more aggressive sound.\u003c\/p\u003e\n\u003cp\u003eThe system replaces the factory center section from the secondary catalysts to the axle-back, including both resonators, with a 3\" (76mm) T304 stainless steel piping that improves flow and sound quality. A key element is the custom Dinan X-pipe, which promotes even exhaust flow between both banks, minimizing unwanted acoustic irregularities often present in the stock setup.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Sound Profile\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDelivers a smoother, louder, and sportier exhaust tone by eliminating the factory resonators and adding an optimized X-pipe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eImproved Flow and Power\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces stock 2.75\" (70mm) piping with 3\" mandrel-bent tubing, reducing restrictions and backpressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCustom X-Pipe Design\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe handmade X-pipe promotes balanced exhaust flow and a refined tone, outperforming common stamped X-pipes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLightweight Construction\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWeighs 17 pounds, a 5-pound reduction over the stock system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Quality Build\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConstructed from durable 100% T304 stainless steel with factory-like fitment for longevity and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Installation\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes mounting hardware for straightforward, bolt-on installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"attributes-table\" cellspacing=\"0\" style=\"width: 100.088%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"label\" style=\"text-align: center; width: 49.2996%;\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"data\" style=\"text-align: center; width: 50.7004%;\" itemprop=\"brand\" itemtype=\"https:\/\/schema.org\/Brand\" itemscope=\"\"\u003eDinan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\" style=\"text-align: center; width: 49.2996%;\"\u003eDinan Point Value\u003c\/th\u003e\n\u003ctd class=\"data\" style=\"text-align: center; width: 50.7004%;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\" style=\"text-align: center; width: 49.2996%;\"\u003eEmission Code\u003c\/th\u003e\n\u003ctd class=\"data\" style=\"text-align: center; width: 50.7004%;\"\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\" style=\"text-align: center; width: 49.2996%;\"\u003eLabor Time (Hours)\u003c\/th\u003e\n\u003ctd class=\"data\" style=\"text-align: center; width: 50.7004%;\"\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\" style=\"text-align: center; width: 49.2996%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd class=\"data\" style=\"text-align: center; width: 50.7004%;\"\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\" style=\"text-align: center; width: 49.2996%;\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd class=\"data\" style=\"text-align: center; width: 50.7004%;\"\u003eMid-Pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\" style=\"text-align: center; width: 49.2996%;\"\u003eSale Category\u003c\/th\u003e\n\u003ctd class=\"data\" style=\"text-align: center; width: 50.7004%;\"\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\" style=\"text-align: center; width: 49.2996%;\"\u003eUPC\u003c\/th\u003e\n\u003ctd class=\"data\" style=\"text-align: center; width: 50.7004%;\"\u003e810065214706\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\" style=\"text-align: center; width: 49.2996%;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd class=\"data\" style=\"text-align: center; width: 50.7004%;\"\u003eD660-0094\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tabcontent\" id=\"Features\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"tabcontent\" id=\"Features\" data-mce-fragment=\"1\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 style=\"text-align: start;\" data-mce-style=\"text-align: start;\"\u003eFitment Chart:\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/h3\u003e\n\u003cdiv style=\"text-align: start;\" data-mce-style=\"text-align: start;\"\u003e\n\u003ctable style=\"width: 105.205%; height: 58.7814px;\" data-mce-style=\"width: 105.205%; height: 27px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"color: rgb(255, 255, 255); background-color: rgb(3, 88, 156); height: 19.5938px;\" data-mce-style=\"color: #ffffff; background-color: #03589c; height: 10px;\"\u003e\n\u003ctd style=\"text-align: center; width: 8.29604%; height: 19.5938px;\" data-mce-style=\"text-align: center; width: 8.29604%; height: 10px;\"\u003e\u003cstrong\u003eMake\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8897%; height: 19.5938px;\" data-mce-style=\"text-align: center; width: 18.8897%; height: 10px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 10.8143%; height: 19.5938px;\" data-mce-style=\"text-align: center; width: 10.8143%; height: 10px;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: rgb(232, 244, 248); height: 19.5938px;\" data-mce-style=\"background-color: #e8f4f8; height: 17px;\"\u003e\n\u003ctd style=\"text-align: center; width: 8.29604%; height: 19.5938px;\" data-mce-style=\"text-align: center; width: 8.29604%; height: 17px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eBMW\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8897%; height: 19.5938px;\" data-mce-style=\"text-align: center; width: 18.8897%; height: 17px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eM3\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 10.8143%; height: 19.5938px;\" data-mce-style=\"text-align: center; width: 10.8143%; height: 17px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e2021-2025\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"text-align: center; width: 21.7343%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eBMW\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 49.4117%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eM4\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 28.1867%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e2021-2025\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":51934112252196,"sku":"D660-0094","price":870.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/6801\/0532\/files\/Screenshot2023-03-27at11.28.54PM.png?v=1768636729","url":"https:\/\/autohousesupply.com\/products\/dinan-high-flow-middle-midpipe-exhaust-bmw-g80-m3-g82-m4-2021","provider":"AutoHouseSupply","version":"1.0","type":"link"}