{"product_id":"c8-corvette-stingray-autospeed-exhaust-with-npp-black-chrome-tips","title":"C8 Corvette Stingray AutoSpeed Exhaust with NPP - Black Chrome Tips","description":"\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/cca-free-shipping-performance-banner-v1_png.png?v=1784299920\" alt=\"Free shipping on AutoSpeed C8 Corvette exhaust systems\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eBlacked Out C8 Corvette Stingray Cat-Back Exhaust, Black Tips for NPP Cars (2020-2026)\u003c\/h2\u003e\n\u003cp\u003eOrdered your Stingray with NPP and want to upgrade the sound? The \u003cstrong\u003eAutoSpeed Performance Series Cat-Back Exhaust\u003c\/strong\u003e, \u003cstrong\u003eASP-EXH-CBK-GM-0001-BK\u003c\/strong\u003e, is a valved cat-back for the \u003cstrong\u003e2020-2026 C8 Corvette Stingray\u003c\/strong\u003e with the \u003cstrong\u003e6.2L LT2\u003c\/strong\u003e engine. Keep your \u003cstrong\u003eNPP function\u003c\/strong\u003e and maintain your quiet and loud modes.\u003c\/p\u003e\n\u003cp\u003eRoll into the throttle with the valves open and there is real volume behind you, well past the factory NPP exhaust on its own. Out back, four 4.5 inch \u003cstrong\u003eblack chrome\u003c\/strong\u003e tips give your Stingray the blacked out look, dark and aggressive against the rear fascia. AutoSpeed also put this system on a dyno and a scale, so there are real numbers behind the sound.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e AutoSpeed Performance Series valved cat-back exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Finish:\u003c\/strong\u003e Black chrome, slanted dual wall, laser etched AutoSpeed logos\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Four, 4.5 inch outer diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 stainless steel throughout, machined brushed finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubing:\u003c\/strong\u003e 3 inch diameter, 0.065 inch wall, mandrel bent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrossover:\u003c\/strong\u003e Cast 304 stainless X-pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMufflers:\u003c\/strong\u003e 3 inch straight through, three chambers with the valves closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Valves:\u003c\/strong\u003e Billet 304 stainless housings with airfoil butterflies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHangers:\u003c\/strong\u003e Billet stainless, TIG welded to the system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamps:\u003c\/strong\u003e Stainless Accuseal band clamps, T-bolt clamps at the tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLoud when you want it, quiet when you don't. The valves follow your drive mode.\u003c\/li\u003e\n\u003cli\u003e22 more horsepower and 10 more lb-ft at the wheels, measured by AutoSpeed against your factory Z51 exhaust on 93 octane.\u003c\/li\u003e\n\u003cli\u003e9.5 pounds lighter than the 77 pound factory Z51 cat-back it replaces.\u003c\/li\u003e\n\u003cli\u003eNothing is cut, drilled or welded. Your factory exhaust bolts right back on.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to Expect\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA louder, deeper C8 Corvette exhaust note the moment the valves open, at cold start and under throttle.\u003c\/li\u003e\n\u003cli\u003eThe blacked out look out back, 4.5 inch black tips filling the rear fascia.\u003c\/li\u003e\n\u003cli\u003eA highway volume you can enjoy, the valves closed and the exhaust running through three chambers before the tips.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Exhaust Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYour car supplies the valve actuators. The kit ships valve bodies without motors and reuses your factory AFM and NPP actuators. A Stingray without factory NPP cannot use this system.\u003c\/li\u003e\n\u003cli\u003eNo tune is required.\u003c\/li\u003e\n\u003cli\u003eA valve relearn is required. Your AFM and NPP valves are relearned with an OBD scan tool, per \u003cstrong\u003eGM Document ID #5406413\u003c\/strong\u003e. Skipping it can cause a check engine light and damage the valves. Any Chevrolet dealer can do it.\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended. About three hours on a lift, with the rear wheels, wheel liners, air deflectors and rear bumper fascia off.\u003c\/li\u003e\n\u003cli\u003eThe install guide gives a torque figure for every joint, 44 lb-in through 60 lb-ft, including 75 lb-in on each actuator bracket. Have a torque wrench ready for those figures.\u003c\/li\u003e\n\u003cli\u003eRe-torque the tip clamps after the first heat cycle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"color: #ff2a00;\"\u003eCORVETTE COMPATIBILITY\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneration:\u003c\/strong\u003e C8 Corvette\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Stingray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Years:\u003c\/strong\u003e 2020-2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 6.2L LT2 V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Styles:\u003c\/strong\u003e Coupe and HTC Convertible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Equipment:\u003c\/strong\u003e Factory NPP dual-mode exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse Overview\u003c\/h3\u003e\n\u003cp\u003eUse this AutoSpeed cat-back when you want a louder exhaust note, blacked out tips and your quiet mode for the drive home. Built for a street driven \u003cstrong\u003e2020-2026 C8 Corvette Stingray\u003c\/strong\u003e with the \u003cstrong\u003efactory NPP exhaust\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy Buy from Custom Corvette Accessories\u003c\/h3\u003e\n\u003cp\u003eIf you want your \u003cstrong\u003e2020-2026 C8 Corvette Stingray\u003c\/strong\u003e louder with blacked out tips and your NPP modes intact, the AutoSpeed \u003cstrong\u003eASP-EXH-CBK-GM-0001-BK\u003c\/strong\u003e is the system for it, built for the 6.2L LT2 with the factory NPP exhaust. Custom Corvette Accessories sells Corvette parts and nothing else, so if you are not certain your Stingray has NPP, ask us before you order.\u003c\/p\u003e\n","brand":"AutoSpeed","offers":[{"title":"Default Title","offer_id":50409439199469,"sku":"ASP-EXH-CBK-GM-0001-BK","price":3745.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/c8-corvette-stingray-blacked-out-cat-back-exhaust-black-tips-asp-exh-cbk-gm-0001-bk.png?v=1786406652","url":"https:\/\/www.corvettepartsandaccessories.com\/products\/c8-corvette-stingray-autospeed-exhaust-with-npp-black-chrome-tips","provider":"Corvette Parts from Custom Corvette Accessories","version":"1.0","type":"link"}