{"product_id":"fabspeed-2025-chevrolet-corvette-c8-zr1-hjs-200-cell-sport-racing-catalytic-converters-fabspeed-eng-motorsport","title":"Fabspeed 2025+ Chevrolet Corvette C8 ZR1 HJS 200-Cell Sport Racing Catalytic Converters","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"fbskMG_root markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"fbskMG_root markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003e+91 HP | +141 LB-FT TQ | -20 LBS\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eUnlock significantly more performance from the C8 ZR1’s twin-turbo LT7 with the \u003cstrong\u003eFabspeed HJS 200-Cell Sport Racing Catalytic Converters\u003c\/strong\u003e. Engineered around genuine German-made \u003cstrong\u003eHJS \/ EMITEC 200 CPSI tri-metallic catalysts\u003c\/strong\u003e, this system is designed to dramatically increase exhaust flow, reduce backpressure, improve turbo response, and deliver a much more aggressive exhaust note while retaining catalytic converters. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFabspeed rates each catalyst for applications up to \u003cstrong\u003e1,200 horsepower\u003c\/strong\u003e and states the HJS cores flow approximately \u003cstrong\u003e90–92% as much as a straight pipe\u003c\/strong\u003e, making them an exceptionally high-flow option for the 1,064-horsepower ZR1.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0917\/7264\/9784\/files\/ZR1_OEM_Exhaust_Sport_Cats__51824.webp?v=1789150676\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eGerman-made HJS \/ EMITEC 200-cell catalytic converters\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e+91 HP \u0026amp; +141 LB-FT TQ\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e20 lb \/ 9.1 kg weight savings\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eTwo high-flow \u003cstrong\u003e200 CPSI tri-metallic catalysts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEach catalyst rated for up to \u003cstrong\u003e1,200 HP\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufacturer-rated at approximately \u003cstrong\u003e90–92% of straight-pipe flow\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eImproved exhaust flow and reduced backpressure\u003c\/li\u003e\n\u003cli\u003eFaster turbo spool and transient response\u003c\/li\u003e\n\u003cli\u003eIncreased twin-turbo sound and whistle\u003c\/li\u003e\n\u003cli\u003eMore aggressive exhaust tone\u003c\/li\u003e\n\u003cli\u003eApproximately \u003cstrong\u003e120.5 dB\u003c\/strong\u003e manufacturer sound measurement\u003c\/li\u003e\n\u003cli\u003eAerospace-grade \u003cstrong\u003eT304L stainless steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFiber-optic laser fabrication\u003c\/li\u003e\n\u003cli\u003eBack-purged TIG welding\u003c\/li\u003e\n\u003cli\u003eCAD-designed and CNC-manufactured\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2000°F \/ 1094°C ceramic-fiber insulation\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e625 Inconel double-wall heat blankets\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eNo ECU tune required\u003c\/li\u003e\n\u003cli\u003eDesigned to operate without a catalyst-generated CEL\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation\u003c\/li\u003e\n\u003cli\u003eNo cutting or welding required\u003c\/li\u003e\n\u003cli\u003eMade in the USA at Fabspeed’s Fort Washington facility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFabspeed Lifetime Warranty\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDyno-Proven Performance\u003c\/h3\u003e\n\u003cp\u003eFabspeed reports gains of:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e+91 HP\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e+141 LB-FT TQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Sport Cats are designed to free up exhaust flow upstream of the ZR1’s rear exhaust system, reducing restriction and allowing the twin turbochargers to respond more quickly throughout the RPM range. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eGenuine HJS 200-Cell Racing Catalysts\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the system are \u003cstrong\u003etwo German-made HJS \/ EMITEC 200-cell tri-metallic catalytic converters\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFabspeed states each catalyst is rated to support up to \u003cstrong\u003e1,200 horsepower\u003c\/strong\u003e, providing significant headroom for the factory LT7 as well as higher-output builds. The manufacturer also states the HJS cores flow approximately \u003cstrong\u003e90–92% of a straight pipe\u003c\/strong\u003e, offering very high exhaust-flow capability without eliminating the catalytic converters. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe catalysts are listed as \u003cstrong\u003eEURO 6 homologated\u003c\/strong\u003e, with Fabspeed also describing them as European certified and TÜV approved. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eImproved Turbo Response\u003c\/h3\u003e\n\u003cp\u003eReducing exhaust restriction after the turbochargers can improve how efficiently the system evacuates exhaust gases. Fabspeed specifically claims quicker \u003cstrong\u003eturbo spool-up and transient response\u003c\/strong\u003e, along with increased throttle response and more pronounced twin-turbo induction\/exhaust character. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eLightweight T304L Stainless Steel Construction\u003c\/h3\u003e\n\u003cp\u003eThe assemblies are constructed from \u003cstrong\u003eaerospace-grade T304L stainless steel\u003c\/strong\u003e using precision laser fabrication and back-purged TIG welding.\u003c\/p\u003e\n\u003cp\u003eDespite the large high-flow catalyst assemblies, Fabspeed reports a substantial \u003cstrong\u003e20 lb \/ 9.1 kg reduction\u003c\/strong\u003e compared with the factory components. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHigh-Temperature Heat Management\u003c\/h3\u003e\n\u003cp\u003eEach assembly uses ceramic-fiber insulation rated for temperatures up to \u003cstrong\u003e2000°F \/ 1094°C\u003c\/strong\u003e, surrounded by a \u003cstrong\u003e625 Inconel double-wall heat blanket\u003c\/strong\u003e to help contain the extreme heat generated around the ZR1’s turbocharged exhaust system. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eMore Aggressive LT7 Sound\u003c\/h3\u003e\n\u003cp\u003eThe high-flow 200-cell catalysts allow significantly more of the ZR1’s exhaust character to come through while retaining catalytic converters.\u003c\/p\u003e\n\u003cp\u003eFabspeed describes the result as a deeper and more aggressive tone, along with increased turbo whistle and a stronger high-performance exhaust note. Manufacturer testing lists approximately \u003cstrong\u003e120.5 dB\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eNo Tune Required\u003c\/h3\u003e\n\u003cp\u003eFabspeed states that \u003cstrong\u003eno ECU tune is required\u003c\/strong\u003e and guarantees against a catalyst-generated Check Engine Light when used on the intended application. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eDirect Bolt-On Installation\u003c\/h3\u003e\n\u003cp\u003eThe Sport Cats are designed as a \u003cstrong\u003edirect bolt-on replacement\u003c\/strong\u003e, requiring no cutting or welding. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eBacked by the \u003cstrong\u003eFabspeed Lifetime Warranty\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e2025+ Chevrolet Corvette C8 ZR1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5.5L Twin-Turbo LT7 V8\u003c\/li\u003e\n\u003cli\u003eCoupe\u003c\/li\u003e\n\u003cli\u003eHTC \/ Convertible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDoes NOT fit 2026+ C8 ZR1X.\u003c\/strong\u003e Fabspeed specifically states that this system is not cross-compatible with the ZR1X. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eEmissions Information\u003c\/h3\u003e\n\u003cp\u003eFabspeed describes these HJS \/ EMITEC catalysts as \u003cstrong\u003eEPA compliant, EURO 6 homologated, certified, and TÜV approved\u003c\/strong\u003e. Customers should still verify that the product complies with all emissions, inspection, registration, and road-use requirements applicable to their specific vehicle and jurisdiction. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Fabspeed","offers":[{"title":"Default Title","offer_id":52941243679032,"sku":"FS.CHEVY.C8ZR1.SC","price":7145.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7264\/9784\/files\/DSC03005__85898.jpg?v=1789150676","url":"https:\/\/engmotorsport.com\/es\/products\/fabspeed-2025-chevrolet-corvette-c8-zr1-hjs-200-cell-sport-racing-catalytic-converters-fabspeed-eng-motorsport","provider":"ENG Motorsport","version":"1.0","type":"link"}