FMF Factory 4.1 Slip-On Exhaust For HUS | 045570 ShinkoDeMayo Outside compression system for a

Outside compression system for a slim profile

-FMF uses the highest quality proprietary blend stainless steel made especially to our standards

Includes with 6

late-model motocross bikes

composite plastic

FMF Factory 4.1 Slip-On Exhaust For HUS | 045570 ShinkoDeMayo Outside compression system for aThe Factory 4. 1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our 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 our exacting specifications and is manufactured 100% at