{"product_id":"2022-2027-400-cell-catted-down-pipes-for-porsche-992-gt3-gt3-rs","title":"2022-2027 400 Cell Catted Down Pipes For Porsche 992 GT3 \/ GT3 RS","description":"\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Porsche 911 2022-2027\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eIntroducing Our NEW 400 Cell EPA-Compliant Headers for 992 GT3\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Porsche 992 GT3 and GT3 RS are motorsport-derived machines built around a 9,000 RPM naturally aspirated flat-six. While the factory catalysts prioritize restriction and sound control, our \u003cstrong\u003eNEW EPA-compliant 400 cell high-flow catted downpipes\u003c\/strong\u003e are engineered to reduce exhaust backpressure, improve high-RPM breathing, and enhance the engine’s unmistakable motorsport character — all while maintaining emissions compliance standards.\u003c\/p\u003e\n\u003cp\u003eThis upgrade preserves the integrity of the GT3 platform while allowing the engine to operate with greater efficiency and clarity at redline.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Upgrade to 400 Cell?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPA-Compliant 400 Cell High-Flow Catalysts:\u003c\/strong\u003e Increased exhaust efficiency while maintaining compliance standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved High-RPM Flow:\u003c\/strong\u003e Reduced restriction enhances top-end breathing and throttle precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Motorsport Character:\u003c\/strong\u003e Sharper, more defined exhaust note at elevated RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack-Focused Performance:\u003c\/strong\u003e Optimized for spirited driving and circuit use without sacrificing reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Flow Architecture:\u003c\/strong\u003e Designed to minimize backpressure while preserving catalyst efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-Bent Tubing:\u003c\/strong\u003e Smooth internal transitions for consistent exhaust velocity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision TIG Welding:\u003c\/strong\u003e Built to withstand extreme exhaust temperatures during sustained high-RPM operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Bolt-On Installation:\u003c\/strong\u003e Utilizes factory mounting locations for seamless fitment.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEngineered to Pair with Valvetronic Exhaust Systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSound Character\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock Exhaust + Downpipes:\u003c\/strong\u003e Noticeable increase in clarity and presence with improved high-frequency resonance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValvetronic Exhaust + Downpipes:\u003c\/strong\u003e Maximum transformation — sharper transitions, heightened induction character, and a more race-inspired signature.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eConstruction \u0026amp; Durability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium high-grade stainless steel construction\u003c\/li\u003e\n\u003cli\u003eHigh-temperature resistant 400 cell catalyst cores\u003c\/li\u003e\n\u003cli\u003eOEM-style sensor placement for proper operation\u003c\/li\u003e\n\u003cli\u003eEngineered for long-term reliability under sustained high-RPM conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAllow your 992 GT3 to breathe as it was engineered to — precision performance, starting at the source.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e📩 Questions or ordering assistance? customerservice@valvetronic.com\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eDownpipe(s) \u0026amp; Hardware\u003c\/p\u003e\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eOutlet Quantity: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Fitment Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2027 Porsche 911 GT3\u003c\/li\u003e\n\u003cli\u003e2027 Porsche 911 GT3 RS\u003c\/li\u003e\n\u003cli\u003e2026 Porsche 911 GT3\u003c\/li\u003e\n\u003cli\u003e2026 Porsche 911 GT3 RS\u003c\/li\u003e\n\u003cli\u003e2025 Porsche 911 GT3 4L\u003c\/li\u003e\n\u003cli\u003e2025 Porsche 911 GT3 RS 4L\u003c\/li\u003e\n\u003cli\u003e2024 Porsche 911 GT3 4L\u003c\/li\u003e\n\u003cli\u003e2024 Porsche 911 GT3 RS 4L\u003c\/li\u003e\n\u003cli\u003e2023 Porsche 911 GT3 4L\u003c\/li\u003e\n\u003cli\u003e2023 Porsche 911 GT3 RS 4L\u003c\/li\u003e\n\u003cli\u003e2022 Porsche 911 GT3 4L\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Valvetronic Designs\u003c\/li\u003e\n\u003cli\u003ePart number: POR.992.GT3RS.FFH.400C.BR\u003c\/li\u003e\n\u003cli\u003eFitment: Porsche 911 2022-2027\u003c\/li\u003e\n\u003cli\u003eTrims: GT3, GT3 RS\u003c\/li\u003e\n\u003cli\u003eWarranty: Lifetime of Ownership Limited Warranty on Tubes and Welds; 3 Year Limited Warranty on Mufflers and Cats; 1 Year Limited Warranty on Electronics and Tip Finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003csmall\u003eWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov\u003c\/small\u003e\u003c\/p\u003e\u003cp\u003eNot sure it fits your car? Contact us before ordering by live chat or call\/text (619) 706-9046 and we will confirm fitment for your trim.\u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"Default Title","offer_id":67768785993942,"sku":"POR.992.GT3RS.FFH.400C.BR","price":4499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/7067\/3878\/files\/2022-2027-400-cell-catted-down-pipes-for-porsche-992-gt3-gt3-rs-main-1.png?v=1792831292","url":"https:\/\/royalperformanceusa.com\/products\/2022-2027-400-cell-catted-down-pipes-for-porsche-992-gt3-gt3-rs","provider":"Royal Performance","version":"1.0","type":"link"}