FMF Factory 4.1 RCT Muffler - Anodized Titanium CRF450X 2019-2023 041587 1821-1978
- Rapid Tuning System (RTS)
- Shorter overall length that is less susceptible to crash damage
- Massive Power gains throughout the RPM range.
- Huge weight savings
- Made in the U.S.A.