{"product_id":"c8-corvette-z06-borla-atak-140957-cat-back-exhaust","title":"C8 Corvette Z06 Borla ATAK 140957 Cat-Back Exhaust","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 Borla Corvette exhaust systems\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eBorla ATAK 140957 Cat-Back for the 2023-2026 C8 Corvette Z06, the C8 Z06 Exhaust with NPP Valves\u003c\/h2\u003e\n\u003cp\u003eThe Z06 already leaves the factory loud, which is exactly why the owners who want more are particular about how they get it. The \u003cstrong\u003eBorla ATAK 140957\u003c\/strong\u003e is a cat-back for the \u003cstrong\u003e2023-2026 C8 Corvette Z06\u003c\/strong\u003e and its \u003cstrong\u003e5.5L LT6\u003c\/strong\u003e, running 3-inch main piping in T-304 stainless steel. So what does it actually change on a car that is already loud?\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBorla 140957\u003c\/strong\u003e replaces everything behind the catalytic converters, so the change reaches further up the car than an axle-back does, and 3-inch piping carries the exhaust out with less restriction than the factory routing. The \u003cstrong\u003eNPP valves come in the kit\u003c\/strong\u003e, and that is what matters most on a \u003cstrong\u003eC8 Z06 exhaust\u003c\/strong\u003e: the valves stay under the car's own control, so the loud setting gets harder-edged while the quiet setting is still there for the neighborhood and the highway.\u003c\/p\u003e\n\u003ch3\u003eBorla 140957 Product Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Borla\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 140957\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem type:\u003c\/strong\u003e Cat-Back\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound level:\u003c\/strong\u003e ATAK, the aggressive end of the Borla range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle application:\u003c\/strong\u003e C8 Corvette Z06, 5.5L LT6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain piping:\u003c\/strong\u003e 3-inch, with 2-inch and 2.75-inch sections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e T-304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValves:\u003c\/strong\u003e NPP valves included. No DFM on the Z06\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso in the box:\u003c\/strong\u003e heat shielding, and a wire harness extension for the passenger side NPP valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Borla Million Mile Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn aggressive exhaust note on a car whose factory system is already loud\u003c\/li\u003e\n\u003cli\u003e3-inch cat-back layout for more flow behind the catalytic converters\u003c\/li\u003e\n\u003cli\u003eThe valves come in the kit, so the car keeps the quiet and loud behavior it left the factory with\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to Expect After Installation\u003c\/h3\u003e\n\u003cp\u003eExpect a louder, harder-edged tone than the factory system, with the NPP valves still opening and closing as they did before. There is no published decibel figure for this system and we do not estimate one. Two things are not finished when the exhaust is bolted up: the valve actuators have to be recalibrated, and the tips have to come from somewhere. Both are covered below.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eImportant Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips are not in the box.\u003c\/strong\u003e 140957 ships without tips. You either reuse your factory tips or install the optional tip kit, part number 60740CFSB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60740CFSB is currently listed as coming soon.\u003c\/strong\u003e If your plan is to finish the job with new tips, confirm availability before you order the exhaust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve actuator recalibration is required after installation.\u003c\/strong\u003e This is a requirement, not a suggestion, and recalibration is required after installation before the valves behave correctly. Plan for it as part of the install.\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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 2023-2026 Chevrolet Corvette C8 Z06 (5.5L LT6)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Years:\u003c\/strong\u003e 2023 - 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 5.5L LT6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Styles:\u003c\/strong\u003e Coupe and convertible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission:\u003c\/strong\u003e RWD dual-clutch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Equipment:\u003c\/strong\u003e The factory NPP valved performance exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Buy This Borla ATAK 140957 From Custom Corvette Accessories?\u003c\/h3\u003e\n\u003cp\u003eCustom Corvette Accessories is enthusiast owned and operated, so we confirm the fitment before the order goes out. We will check your model year and trim against this part number and explain what the NPP valve requirement means for your car. 140957 arrives with the NPP valves, heat shielding and the passenger side harness extension, with Free Shipping and Corvette-focused support behind it.\u003c\/p\u003e","brand":"Borla","offers":[{"title":"Default Title","offer_id":50621075063021,"sku":"140957","price":3999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1359\/4413\/files\/140957-main-1-large.webp?v=1788468120","url":"https:\/\/www.corvettepartsandaccessories.com\/products\/c8-corvette-z06-borla-atak-140957-cat-back-exhaust","provider":"Corvette Parts from Custom Corvette Accessories","version":"1.0","type":"link"}