{"product_id":"dinan-d660-0050-freeflow-axle-back-exhaust","title":"Dinan D660-0050 - Freeflow Axle-Back Exhaust","description":"\u003cp\u003eDinan D660-0050 - Freeflow Axle-Back Exhaust\u003c\/p\u003e\u003cp\u003eDinan Free Flow Axle-Back Exhaust - 2015-2020 BMW M3\/M4\u003c\/p\u003e\u003cp\u003eFreeflow Axle-Back Exhaust; 304 Stainless Steel Construction; 5 Max Horsepower Gain; Quad 3.5 in. Laser Engraved Polished Tips w\/Logo; Includes Mounting Hardware;\u003c\/p\u003e\u003cp\u003eDinan free flow axle-back exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is designed to provide a more aggressive sound under acceleration, while reducing drone inside the vehicle, thanks to computer controlled valves that limit noise during low speed driving and open fully during high-load conditions to allow free flow. The exhaust gasses exit through larger laser engraved polished quad tips. Every Dinan product is designed and tested in Morgan Hill, California.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMore Power: +5 HP\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sporter sound\u003c\/li\u003e\n\u003cli\u003eQuad 3.5\" black ceramic coated, or polished stainless, laser engraved exhaust tips\u003c\/li\u003e\n\u003cli\u003eComputer controlled valve limits noise during low speed driving; valve opens fully during high-load conditions to allow free flow\u003c\/li\u003e\n\u003cli\u003eStock exhaust valve actuaters are reused\u003c\/li\u003e\n\u003cli\u003eOperation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-Drive settings.\u003c\/li\u003e\n\u003cli\u003eDinan exhaust is 3 lbs lighter than stock\u003c\/li\u003e\n\u003cli\u003eTwin secondary exhaust valves with a whopping 76mm diameter, making them 45% less restrictive than the OE valves.\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e: \u003cspan\u003eT304 Stainless Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eDinan\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: \u003cspan\u003eExhaust\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eClamps Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDinan Point Value\u003c\/strong\u003e: \u003cspan\u003e3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Quantity\u003c\/strong\u003e: \u003cspan\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: \u003cspan\u003eBrushed\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHangers Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: \u003cspan\u003e12\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLabor Time (Hours)\u003c\/strong\u003e: \u003cspan\u003e1.8\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: \u003cspan\u003e50\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cspan\u003eT304 Stainless Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMax HP Gain\u003c\/strong\u003e: \u003cspan\u003e5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Quantity\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePipe Material\u003c\/strong\u003e: \u003cspan\u003eT304 Stainless Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eAxle-Back Exhaust\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eExhaust and Tail Pipes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTip Finish\u003c\/strong\u003e: \u003cspan\u003ePolished\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarning\u003c\/strong\u003e: \u003cspan\u003eCalifornia Proposition 65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: \u003cspan\u003e56\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: \u003cspan\u003e34\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":47292200714378,"sku":"DIN-D660-0050","price":1292.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_d660-0050_1_normalized.jpg?v=1776301725","url":"https:\/\/www.onlyinstock.com\/products\/dinan-d660-0050-freeflow-axle-back-exhaust","provider":"Only In Stock","version":"1.0","type":"link"}