Upgrade your ride with the FMF Factory 4.1 RCT Slip-On Muffler for Honda CRF450X. Designed with FMF Resonance Chamber Technology™ for enhanced performance and durability. Crafted from premium aerospace-grade materials for optimal mass centralization and protection against crashes. 100% made in Southern California.
-Available in Natural Aluminum Muffler with Carbon End Cap
-Massive Power gains throughout the RPM range.
-Huge weight savings
-New RTS (Rapid Tuning System)
-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.