FMF

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...

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...

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in the chambers of the RCT system increase internal volume...

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

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

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...

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...

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...

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...

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...

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...

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...