MUFFLER FCTRY 4:1RCT ANTI motocross grips our 304 Factory Sound Silencer

our 304 Factory Sound Silencer has a slightly longer body that adds top end performance while reducing noise output

This legendary stand in the acclaimed Polisport quality is now in attractive MOTOREX design

more low-end

450 XC-W 08-16

repack cartridge

MUFFLER FCTRY 4:1RCT ANTI motocross grips our 304 Factory Sound SilencerFactory 4. 1 RCT Slip On Muffler The Factory 4. 1 RCT incorporates FMF's Resonance Chamber Technology 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 moving the muffler closer to the motor to centralize mass The Factory 4. 1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and