The Civic Cup Race Full System is a motorsport-focused exhaust system developed specifically for competition and track day environments. Featuring a full 3-inch diameter, the system maximizes exhaust gas evacuation, reduces backpressure, and improves engine responsiveness across the rev range. Engineered for compatibility with Civic Cup regulations, it is constructed from high-grade stainless steel to deliver lightweight performance and thermal durability under extreme operating conditions. - Purpose-built for Civic Cup and dedicated track use - Full 3-inch mandrel-bent system for optimized flow - Delivers increased throttle response and high-RPM power - Constructed from motorsport-grade stainless steel