{"product_id":"c7-corvette-grand-sport-corsa-xtreme-exhaust-14766blk","title":"C7 Corvette Grand Sport Corsa Xtreme 14766BLK (2017-2019)","description":"\u003cp\u003e\u003cimg alt=\"C7 Corvette CORSA exhaust - Free shipping in the USA\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/Free_Shipping_in_the_USA_compact.png?v=1493564940\"\u003e\u003c\/p\u003e\n\u003ch2\u003eC7 Corvette Grand Sport CORSA Xtreme Axle-Back Exhaust 14766BLK (2017–2019, Manual Only)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCORSA Xtreme 14766BLK\u003c\/strong\u003e is a high-impact axle-back upgrade for \u003cstrong\u003e2017–2019 C7 Corvette Grand Sport\u003c\/strong\u003e owners who want aggressive sound without the annoying highway drone. With quad \u003cstrong\u003eblack Pro-Series tips\u003c\/strong\u003e and CORSA’s signature acoustic tuning, this system delivers a sharp, race-inspired tone under throttle while keeping cruising comfort in check.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCORSA Part Number:\u003c\/strong\u003e 14766BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Axle-back exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Level:\u003c\/strong\u003e CORSA Xtreme\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Style:\u003c\/strong\u003e Quad 4.5\" Black Pro-Series Tips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade In:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy CORSA (RSC® No-Drone Technology)\u003c\/h3\u003e\n\u003cp\u003eCORSA uses \u003cstrong\u003eReflective Sound Cancellation® (RSC®)\u003c\/strong\u003e to target and reduce the frequencies that cause drone. The result is an exhaust that’s aggressive when you get into it, but noticeably cleaner inside the cabin during steady-speed cruising compared to typical “loud” axle-backs.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits (Why Grand Sport Owners Choose 14766BLK)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eXtreme tone:\u003c\/strong\u003e loud, sharp, and track-inspired under acceleration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-drone cruising:\u003c\/strong\u003e RSC® helps control cabin resonance at cruise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack tips:\u003c\/strong\u003e bold rear styling with quad Pro-Series appearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-fit:\u003c\/strong\u003e bolt-on axle-back design (no welding required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to last:\u003c\/strong\u003e 304 stainless steel construction for corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to Expect After Installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMore aggressive startup, idle, and throttle sound\u003c\/li\u003e\n\u003cli\u003eA sharper, tuned performance sound character (not a “boomy” tone)\u003c\/li\u003e\n\u003cli\u003eCleaner highway behavior versus many high-volume systems\u003c\/li\u003e\n\u003cli\u003eA major visual upgrade from quad black Pro-Series tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 14766BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Rear \/ axle-back\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Quantity:\u003c\/strong\u003e Quad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Finish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrone Control:\u003c\/strong\u003e RSC® technology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Overview\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Type:\u003c\/strong\u003e Direct bolt-on axle-back\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting\/Welding:\u003c\/strong\u003e Not required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTools:\u003c\/strong\u003e Basic hand tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstimated Time:\u003c\/strong\u003e Typically 1–2 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Professional installation recommended if you want perfect tip alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCorvette Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e C7 Corvette Grand Sport (2017, 2018, 2019) Coupe and Convertible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission:\u003c\/strong\u003e \u003cstrong\u003eManual only\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill NOT fit:\u003c\/strong\u003e Grand Sport \u003cstrong\u003eAutomatic\u003c\/strong\u003e transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Note:\u003c\/strong\u003e This is a \u003cstrong\u003enon-NPP style\u003c\/strong\u003e system. If your Grand Sport is equipped with factory NPP valves, this setup can still be used by \u003cstrong\u003eretaining\/hanging the factory valve actuators\u003c\/strong\u003e so the car continues to see them—however you will \u003cstrong\u003elose the factory quiet-mode valve function\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCross-Compatibility \u0026amp; Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003eC7 Corvette Grand Sport manual\u003c\/strong\u003e fitment\u003c\/li\u003e\n\u003cli\u003eAlways verify transmission before ordering (manual vs automatic is critical on GS)\u003c\/li\u003e\n\u003cli\u003eIf your goal is maximum volume, CORSA Xtreme is CORSA’s most aggressive sound level\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Corvette Owners Say\u003c\/h3\u003e\n\u003cblockquote\u003e\u003cem\u003e“The Xtreme sound is exactly what I wanted—aggressive, clean, and no drone on the highway. The black tips look perfect on the rear.”\u003c\/em\u003e\u003c\/blockquote\u003e\n\u003cp\u003eSince 2007, Custom Corvette Accessories has helped Corvette owners choose the right parts the first time—fast shipping, real support, and fitment clarity you can trust.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReady to upgrade your C7 Corvette Grand Sport (manual) sound?\u003c\/strong\u003e Order the CORSA Xtreme \u003cstrong\u003e14766BLK\u003c\/strong\u003e and get the aggressive tone you want with a cleaner cruising experience.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Made in the USA - CORSA exhaust for C7 Corvette\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/Corvette_Corsa_-_Made_in_the_USA_small.png?v=1488045349\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026gt;\u003c\/p\u003e","brand":"Corsa","offers":[{"title":"Default Title","offer_id":12379535343693,"sku":"14766blk","price":2149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/c7-corvette-grand-sport-corsa-xtreme-exhaust-14766blk-system_jpg.jpg?v=1765987029","url":"https:\/\/www.corvettepartsandaccessories.com\/products\/c7-corvette-grand-sport-corsa-xtreme-exhaust-14766blk","provider":"Corvette Parts from Custom Corvette Accessories","version":"1.0","type":"link"}