{"product_id":"c8-corvette-e-ray-autospeed-exhaust-with-npp-polished-tips","title":"C8 Corvette E-Ray AutoSpeed Exhaust with NPP - Polished 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\u003eC8 Corvette E-Ray NPP Valved Cat-Back Exhaust with Quad Stainless Tips (2024-2026)\u003c\/h2\u003e\n\u003cp\u003eWant your E-Ray to sound like the V8 is doing the work? The \u003cstrong\u003eAutoSpeed Performance Series Cat-Back Exhaust\u003c\/strong\u003e, \u003cstrong\u003eASP-EXH-CBK-GM-0001-PS\u003c\/strong\u003e, is a valved cat-back for the \u003cstrong\u003e2024-2026 C8 Corvette E-Ray\u003c\/strong\u003e with the \u003cstrong\u003e6.2L LT2\u003c\/strong\u003e engine. It runs on your factory valves, so your quiet and loud modes stay exactly where they are.\u003c\/p\u003e\n\u003cp\u003eWith the valves open the note comes in deeper and louder than the factory NPP system gives on its own, and four polished stainless tips sit 4.5 inches across in the rear fascia. A cat-back only touches what is behind the catalytic converters, so the front axle, battery and eAWD system are nowhere near it.\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 Polished stainless, slanted dual wall, embossed AutoSpeed logos\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Four, 4.5 inch outer diameter, slanted dual wall\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\u003eYour drive mode still runs the exhaust. Quiet in Tour, open in Track, nothing to switch.\u003c\/li\u003e\n\u003cli\u003e22 more horsepower and 10 more lb-ft at the wheels, measured by AutoSpeed against a factory Z51 exhaust on 93 octane.\u003c\/li\u003e\n\u003cli\u003e9.5 pounds lighter than the 77 pound factory 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 deeper C8 exhaust note the moment the valves open, and the same silent pull away on the front motor.\u003c\/li\u003e\n\u003cli\u003eBright quad tips filling the rear fascia, finished to match the factory stainless.\u003c\/li\u003e\n\u003cli\u003eThe V8 finally sounding like the thing moving the car, not the quiet half of a hybrid.\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. An E-Ray 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 E-Ray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Years:\u003c\/strong\u003e 2024-2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 6.2L LT2 V8 with front electric motor\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 deeper note, bright quad tips and your NPP modes untouched. Built for a street driven \u003cstrong\u003e2024-2026 C8 Corvette E-Ray\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\u003e2024-2026 C8 Corvette E-Ray\u003c\/strong\u003e louder without giving up the NPP modes, the AutoSpeed \u003cstrong\u003eASP-EXH-CBK-GM-0001-PS\u003c\/strong\u003e is the polished tip version, built for the 6.2L LT2 with factory NPP. Custom Corvette Accessories sells Corvette parts and nothing else, so if you are not certain your E-Ray has NPP, ask us before you order.\u003c\/p\u003e","brand":"AutoSpeed","offers":[{"title":"Default Title","offer_id":50457807028461,"sku":"ASP-EXH-CBK-GM-0001-PS","price":3695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/c8-e-ray-npp-cat-back-exhaust-polished-tips-autospeed.png?v=1786412142","url":"https:\/\/www.corvettepartsandaccessories.com\/products\/c8-corvette-e-ray-autospeed-exhaust-with-npp-polished-tips","provider":"Corvette Parts from Custom Corvette Accessories","version":"1.0","type":"link"}