{"product_id":"dinan-19-21-bmw-m2-competition-f87-free-flow-axleback-exhaust-system-w-x-pipe-black-tips","title":"Dinan Axle-Back Exhaust with X-Pipe for 2019-2021 BMW M2 Competition - Black Tips","description":"\u003ch4\u003eGive the S55 a deeper voice without losing valve control\u003c\/h4\u003e\u003cp\u003eDinan D660-0082-BLK replaces the M2 Competition's low-hanging factory muffler and resonator with a tucked T304 stainless system that delivers a deeper S55 exhaust note while retaining the original electronic valve strategy.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDinan D660-0082-BLK axle-back exhaust and X-pipe for the 2019-2021 BMW M2 Competition\u003c\/li\u003e\n\u003cli\u003eBrushed T304 stainless steel construction with TIG-welded joints\u003c\/li\u003e\n\u003cli\u003e70 mm piping replaces the original 65 mm path for increased flow\u003c\/li\u003e\n\u003cli\u003eX-pipe replaces the factory resonator for a smoother, deeper tone\u003c\/li\u003e\n\u003cli\u003eQuad 4-inch double-wall tips carry a black ceramic finish\u003c\/li\u003e\n\u003cli\u003eRetains computer-controlled exhaust valve operation\u003c\/li\u003e\n\u003cli\u003eManufacturer-rated gains of 6 hp and 5 lb-ft at 6,300 rpm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine and Notes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e2019-2021\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM2 Competition\u003c\/td\u003e\n\u003ctd\u003eS55 3.0L twin-turbo; F87 chassis\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003eD660-0082-BLK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAxle-back exhaust with X-pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eBrushed T304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Tips\u003c\/td\u003e\n\u003ctd\u003eFour 4-inch double-wall, black ceramic-coated tips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Operation\u003c\/td\u003e\n\u003ctd\u003eRetains factory electronic control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Time\u003c\/td\u003e\n\u003ctd\u003eApproximately 2.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Dimensions\u003c\/td\u003e\n\u003ctd\u003e46 x 40 x 16 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Weight\u003c\/td\u003e\n\u003ctd\u003e85 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e813725029238\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDinan D660-0082-BLK rear muffler assembly\u003c\/li\u003e\n\u003cli\u003eLeft and right X-pipe sections\u003c\/li\u003e\n\u003cli\u003eFour black ceramic-coated exhaust tips\u003c\/li\u003e\n\u003cli\u003eRequired clamps, hangers, and installation hardware\u003c\/li\u003e\n\u003cli\u003eTools and replacement factory fasteners are not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Dinan\u003c\/h4\u003e\u003cp\u003eDinan has developed BMW performance systems since 1979. Its exhaust engineering balances flow, sound quality, valve integration, fit, and corrosion-resistant materials so the finished system remains suitable for a road-driven BMW.\u003c\/p\u003e\u003ch4\u003eRelated Parts\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDinan intake and charge-air upgrades verified for the S55-powered M2 Competition\u003c\/li\u003e\n\u003cli\u003eDinan suspension upgrades verified for the 2019-2021 BMW M2 Competition\u003c\/li\u003e\n\u003cli\u003eReplacement 70 mm exhaust clamps and black ceramic tips for this system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFAQ\u003c\/h4\u003e\u003cstrong\u003eWhat is the D660-0082-BLK?\u003c\/strong\u003e\u003cp\u003eIt is Dinan's T304 stainless axle-back exhaust and resonator-replacement X-pipe with black tips for the 2019-2021 BMW M2 Competition.\u003c\/p\u003e\u003cstrong\u003eWhich BMW models does this exhaust fit?\u003c\/strong\u003e\u003cp\u003eIt fits the 2019-2021 BMW M2 Competition equipped with the S55 3.0L twin-turbo engine.\u003c\/p\u003e\u003cstrong\u003eDoes the system retain the factory exhaust valve?\u003c\/strong\u003e\u003cp\u003eYes. The original computer-controlled valve strategy remains functional for quieter low-load driving and a more open sound under load.\u003c\/p\u003e\u003cstrong\u003eDoes the X-pipe replace the factory resonator?\u003c\/strong\u003e\u003cp\u003eYes. The supplied crossover replaces the original resonator to increase volume and smooth the S55 exhaust note.\u003c\/p\u003e\u003cstrong\u003eWhat finish do the tips have?\u003c\/strong\u003e\u003cp\u003eThe four straight-cut, double-wall tips use a black ceramic coating and laser-engraved Dinan branding.\u003c\/p\u003e\u003cstrong\u003eIs cutting or welding required?\u003c\/strong\u003e\u003cp\u003eThe system is designed as a direct bolt-on installation using the supplied clamps and mounting hardware.\u003c\/p\u003e\u003cstrong\u003eWhat material is used?\u003c\/strong\u003e\u003cp\u003eThe muffler and piping are constructed from T304 stainless steel for corrosion resistance and long service life.\u003c\/p\u003e\u003cstrong\u003eHow long should installation take?\u003c\/strong\u003e\u003cp\u003eDinan lists approximately 2.5 labor hours and recommends installation by a qualified technician familiar with BMW exhaust systems.\u003c\/p\u003e\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eConfirm the package identifies Dinan D660-0082-BLK, verify the vehicle application, and read the current Dinan instructions.\u003c\/li\u003e\n\u003cli\u003eAllow the exhaust to cool, support the vehicle safely, and remove the factory rear underbody components specified in the guide.\u003c\/li\u003e\n\u003cli\u003eDisconnect the factory valve actuator and release the original exhaust from its hangers and clamps.\u003c\/li\u003e\n\u003cli\u003eRemove the factory rear muffler and resonator sections while supporting their weight.\u003c\/li\u003e\n\u003cli\u003eLoosely assemble the Dinan X-pipe sections, muffler, clamps, and hangers in the sequence shown by Dinan.\u003c\/li\u003e\n\u003cli\u003eAlign the system for even body clearance, then tighten the supplied clamps and mounting hardware to the published specifications.\u003c\/li\u003e\n\u003cli\u003eReconnect the exhaust valve actuator and install the four black tips with equal projection and spacing.\u003c\/li\u003e\n\u003cli\u003eStart the engine, check for leaks, confirm valve operation, and recheck clearance after a complete heat cycle.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e Cancer and reproductive harm. See www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":67984554917967,"sku":"DNND660-0082-BLK","price":2599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/dinan-d660-0082-blk-bmw-m2-competition-exhaust-complete-system-01.webp?v=1793652788","url":"https:\/\/www.blackopsautoworks.com\/products\/dinan-19-21-bmw-m2-competition-f87-free-flow-axleback-exhaust-system-w-x-pipe-black-tips","provider":"Black Ops Auto Works","version":"1.0","type":"link"}