{"product_id":"dinan-free-flow-axle-back-exhaust-bmw-f90-m5-2018","title":"Dinan Free Flow Axle-Back Exhaust System with Polished Tips for BMW M5 (F90) 2018-2023","description":"\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 Free Flow Axle-Back Exhaust System with Polished Tips for BMW M5 (\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003eF90\u003c\/span\u003e) 2018-2023\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv aria-hidden=\"false\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" id=\"tabs-1\"\u003e\n\u003cdiv class=\"product-single__description rte\" id=\"pro_desc\" itemprop=\"description\"\u003e\n\u003cdiv aria-hidden=\"false\" class=\"ui-tabs-panel ui-corner-bottom ui-widget-content\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" id=\"tabs-1\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eDinan Free Flow Exhaust System\u003c\/strong\u003e for the \u003cstrong\u003eBMW F90 M5\u003c\/strong\u003e enhances the already remarkable performance of this luxury super sedan by transforming its exhaust note into a more aggressive and powerful symphony. The stock F90 M5 is known for its refined performance, but Dinan believes it deserves an exhaust note that fully matches its formidable capabilities. With this exhaust system, the M5 is given a louder and more aggressive tone without sacrificing comfort, drone control, or the refined character BMW drivers expect.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Gains:\u003c\/strong\u003e +6 HP and +5 lb-ft of torque at 6600 RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefined Aggression:\u003c\/strong\u003e The exhaust note remains subdued during low-speed driving but becomes ferociously aggressive during hard acceleration, all while maintaining a drone-free cabin thanks to the retained \u003cstrong\u003ecomputer-controlled exhaust valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarger Piping:\u003c\/strong\u003e The exhaust system uses \u003cstrong\u003e83mm tubing\u003c\/strong\u003e (compared to the stock 80mm), allowing for freer flow, which improves performance and sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Exhaust Flow:\u003c\/strong\u003e Dinan’s exhaust incorporates \u003cstrong\u003eabsorption and reactive technologies\u003c\/strong\u003e to reduce backpressure and optimize exhaust flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuad Exhaust Tips:\u003c\/strong\u003e The system features \u003cstrong\u003efour 4\" (102mm) double-walled, polished exhaust tips\u003c\/strong\u003e, which are clamp-on for easy customization or replacement. These tips fill the factory cut-outs for a striking, aggressive look, while maintaining Dinan's signature \u003cstrong\u003estraight-cut design\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built entirely from \u003cstrong\u003eT304 stainless steel\u003c\/strong\u003e, the exhaust is TIG welded for superior craftsmanship and comes with a brushed finish for a sleek appearance out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable Sound:\u003c\/strong\u003e With the stock exhaust valve actuators reused, the exhaust tone can still be adjusted through the \u003cstrong\u003eM-drive settings\u003c\/strong\u003e, allowing the driver to switch between refined and aggressive modes based on driving conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarger Secondary Valves:\u003c\/strong\u003e The \u003cstrong\u003etwin 76mm secondary exhaust valves\u003c\/strong\u003e (30% less restrictive than stock) further enhance flow and performance under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e A simple \u003cstrong\u003ebolt-on design\u003c\/strong\u003e with all necessary mounting hardware ensures ease of installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable cellspacing=\"0\" class=\"attributes-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"data\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Brand\" itemprop=\"brand\"\u003eDinan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eDinan Point Value\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eEmission Code\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eHeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eLabor Time (Hours)\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eLength\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eMax HP Gain\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e10 @ 6600 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eMax Torque (lb-ft) Gain\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e8 @ 6600 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eAxle-Back Exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eSale Category\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eTip Finish\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ePolished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eWidth\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eUPC\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e813725025063\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003ePart Number\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eD660-0079\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\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 id=\"Features\" class=\"tabcontent\" data-mce-fragment=\"1\"\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: 27px;\" data-mce-style=\"width: 105.205%; height: 27px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"color: #ffffff; background-color: #03589c; height: 10px;\" data-mce-style=\"color: #ffffff; background-color: #03589c; height: 10px;\"\u003e\n\u003ctd style=\"text-align: center; width: 8.29604%; height: 10px;\" 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: 10px;\" 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: 10px;\" 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: #e8f4f8; height: 17px;\" data-mce-style=\"background-color: #e8f4f8; height: 17px;\"\u003e\n\u003ctd style=\"text-align: center; width: 8.29604%; height: 17px;\" 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: 17px;\" data-mce-style=\"text-align: center; width: 18.8897%; height: 17px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eM5 (F90)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 10.8143%; height: 17px;\" data-mce-style=\"text-align: center; width: 10.8143%; height: 17px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e2018-2023\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\u003cdiv class=\"product_desc_para\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":51934100816164,"sku":"D660-0079","price":2561.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/6801\/0532\/files\/4_35f1f29a-e49a-40f7-b73d-2da138423967.jpg?v=1768636507","url":"https:\/\/autohousesupply.com\/products\/dinan-free-flow-axle-back-exhaust-bmw-f90-m5-2018","provider":"AutoHouseSupply","version":"1.0","type":"link"}