Big Gun 2021-2023 Honda CRF 450R EVO R MX Full Exhaust

Transform your Honda CRF 450R with this Big Gun EVO R Series full exhaust system. The complete header to tip design maximizes flow and power throughout the entire rev range. Quality construction handles the heat and abuse of hard motocross riding. Hear and feel the Big Gun difference from the first rev.

Big Gun builds this system from high quality materials designed for performance and durability. The header is mandrel bent for smooth flow and consistent wall thickness throughout. The muffler core uses quality packing that holds up to high temperatures and hard riding. All mounting hardware is included for a complete bolt on installation.

This full system delivers real power gains you can feel on the track. Improved exhaust flow means better throttle response and increased horsepower across the powerband. The tuned header length optimizes torque for hard hitting acceleration. Weight savings over the heavy stock system further improves handling and maneuverability.

This exhaust system fits the Honda CRF 450R models listed. Verify your exact year before ordering to ensure correct fitment for your bike. Some applications may benefit from fuel tuning for optimal performance. Check local regulations regarding exhaust modifications for competition use.

Big Gun exhaust systems are trusted by racers and recreational riders worldwide. Quality materials and American engineering in every system they build. Upgrade your CRF 450R exhaust with Big Gun performance and leave the competition behind.