Manufacturer SKU: CHEV.C8.FF.400C.BR Chevy Corvette C8 / C8 Z06 – EPA-Compliant 400 Cell Catted Downpipes Unlock the True Potential of Your Mid-Engine V8 • High-Flow • Compliant • Introducing Our NEW 400 Cell EPA-Compliant Downpipes for C8 & C8Z The mid-engine Corvette changed the game — but factory catalyst restrictions still limit the full performance and sound potential of the platform. Our NEW EPA-compliant 400 cell high-flow catted downpipes are engineered to reduce exhaust restriction, improve throttle response, and unleash a sharper, more aggressive exhaust note — all while maintaining emissions compliance standards. This is the foundation of serious C8 performance. Why Upgrade to 400 Cell? - EPA-Compliant 400 Cell High-Flow Catalysts: Increased exhaust flow while maintaining compliance standards. - Improved Throttle Response: Reduced backpressure enhances mid-range torque and high-RPM pull. - Sharper Exhaust Note: Louder, deeper, and more aggressive under load. - Track-Ready Efficiency: Optimized for performance driving without sacrificing street usability. Performance & Engineering - Optimized Flow Architecture: Reduces restriction while preserving catalyst efficiency. - Mandrel-Bent Tubing: Smooth internal transitions for maximum exhaust velocity. - Precision TIG Welding: Built to endure extreme exhaust temperatures and high-performance use. - Direct OEM Bolt-On Installation: Utilizes factory mounting points for straightforward installation. - Engineered to Pair Seamlessly with Valvetronic Exhaust Systems Sound Transformation - Stock Exhaust + Downpipes: Noticeable increase in volume with deeper tone and more pronounced character. - Valvetronic Exhaust + Downpipes: Maximum transformation — sharper crackles, stronger presence, and a true motorsport-inspired signature. Construction & Durability - Premium high-grade stainless steel construction - High-temperature resistant 400 cell catalyst cores - OEM-style sensor placement for proper operation - Engineered for long-term reliability under performance conditions Take your C8 or C8Z to the next level — starting at the source. 📩 Questions or ordering assistance? customerservice@valvetronic.com