{"product_id":"valvetronic-designs-audi-rsq8-sq8-sq7-400-cell-catted-downpipes","title":"Valvetronic Designs Audi RSQ8\/SQ8\/SQ7 400 Cell Catted Downpipes","description":"\u003cp\u003e\u003cstrong\u003eSpecial order.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAudi RSQ8 \/ SQ8 \/ SQ7 – EPA-Compliant 400 Cell Catted Downpipes\u003c\/p\u003e\u003cp\u003eUnlock the Full Potential of the 4.0T Twin-Turbo V8 • High-Flow • Compliant •\u003c\/p\u003e\u003cp\u003eIntroducing Our NEW 400 Cell EPA-Compliant Downpipes for Audi 4.0T\u003c\/p\u003e\u003cp\u003eThe 4.0T twin-turbo V8 powering the Audi RSQ8, SQ8, and SQ7 delivers immense performance — but factory catalyst restrictions hold it back. Our NEW EPA-compliant 400 cell high-flow catted downpipes are engineered to increase exhaust flow, enhance turbo efficiency, and dramatically sharpen the vehicle’s sound profile — all while maintaining emissions compliance standards.\u003c\/p\u003e\u003cp\u003eThis is the foundation of true 4.0T performance.\u003c\/p\u003e\u003cp\u003eWhy Upgrade to 400 Cell?\u003c\/p\u003e\u003cp\u003eEPA-Compliant 400 Cell High-Flow Catalysts: Increased exhaust velocity while maintaining compliance standards.\u003c\/p\u003e\u003cp\u003eFaster Turbo Spool: Reduced backpressure improves throttle response and mid-range torque delivery.\u003c\/p\u003e\u003cp\u003eSharper Exhaust Note: Enhanced turbo acoustics with deeper low-end presence and more aggressive top-end tone.\u003c\/p\u003e\u003cp\u003eOptimized Performance Balance: Noticeable gains without compromising daily drivability.\u003c\/p\u003e\u003cp\u003ePerformance \u0026amp; Engineering\u003c\/p\u003e\u003cp\u003eOptimized Flow Architecture: Designed to reduce restriction while preserving catalyst efficiency.\u003c\/p\u003e\u003cp\u003eMandrel-Bent Tubing: Smooth internal transitions for maximum airflow.\u003c\/p\u003e\u003cp\u003ePrecision TIG Welding: Built to withstand extreme exhaust temperatures and boost pressures.\u003c\/p\u003e\u003cp\u003eDirect OEM Bolt-On Design: Utilizes factory mounting locations for straightforward installation.\u003c\/p\u003e\u003cp\u003eEngineered to Pair Seamlessly with Valvetronic Titanium Exhaust Systems\u003c\/p\u003e\u003cp\u003eSound Transformation\u003c\/p\u003e\u003cp\u003eStock Exhaust + Downpipes: Noticeably louder with stronger turbo character and deeper exhaust tone.\u003c\/p\u003e\u003cp\u003eValvetronic Exhaust + Downpipes: Maximum transformation — sharper transitions, increased aggression, and a true RS-inspired exhaust signature.\u003c\/p\u003e\u003cp\u003eConstruction \u0026amp; Durability\u003c\/p\u003e\u003cp\u003ePremium high-grade stainless steel construction\u003c\/p\u003e\u003cp\u003eHigh-temperature resistant 400 cell catalyst cores\u003c\/p\u003e\u003cp\u003eOEM-style sensor placement for proper operation\u003c\/p\u003e\u003cp\u003eEngineered for long-term reliability under high boost\u003c\/p\u003e\u003cp\u003eUnleash the true sound and performance of your Audi 4.0T — starting at the source.\u003c\/p\u003e\u003ch3\u003eApplication and configuration\u003c\/h3\u003e\u003cp\u003eSelect the exact manufacturer configuration below. The selected configuration determines the supplied parts, material, tips and vehicle application; optional parts are included only when stated in that selection.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eManufacturer configuration\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eDefault Title\u003c\/td\u003e\n\u003ctd\u003eLAM.AUD.URUS.RSQ8.FF.400C.BR\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003ca href=\"https:\/\/valvetronic.com\/products\/audi-rsq8-sq8-sq7-400-cell-catted-downpipes-copy\"\u003eValvetronic Designs product details\u003c\/a\u003e\u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"Default Title","offer_id":55678115152191,"sku":"LAM.AUD.URUS.RSQ8.FF.400C.BR","price":5600.79,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/1348\/3839\/files\/valvetronic-15031956537712-1.jpg?v=1789956314","url":"https:\/\/foreignautomotive.ca\/products\/valvetronic-designs-audi-rsq8-sq8-sq7-400-cell-catted-downpipes","provider":"Foreign Automotive","version":"1.0","type":"link"}