Exhaust

The Factory 4.1 RCT incorporates FMF's Resonance Chamber TechnologyÖ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber TechnologyÖ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber TechnologyÖ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber TechnologyÖ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber TechnologyÖ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber TechnologyÖ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...

Rapid Tuning System (RTS) Shorter overall length that is less susceptible to crash damage Massive Power gains throughout the RPM range. Huge weight savings. MUFFLER AN TI 4.1RCT CF

The Factory 4.1 RCT incorporates FMF's Resonance Chamber TechnologyÖ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber TechnologyÖ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber TechnologyÖ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...

Spark arrestor screen insert included 94dB insert included For closed course competition use only. MUFFLER S/S ALUM FACTORY 4.1 RCT CARBON CAP KX450F

The lightest mufflers available Superior power and performance - horsepower improved throughout the rpm range Feature exclusive proprietary Chamber Core technology Factory Forward Engineering centralizes mass, improves handling Made from premium quality...