FMF Factory 4.1 RCT Muffler - Aluminum 045628 1821-1920 PowerBomb US of A Goggles No modification to stock components

No modification to stock components

Removable nose guard deflects dust and debris

These stacks were specifically developed on the Graves Yamaha Superbike give our riders the drivability needed to win races

This very special 20th anniversary edition 1000RR deserves a very special undertail kit to complement its unique design

FMF Factory 4.1 RCT Muffler - Aluminum 045628 1821-1920 PowerBomb US of A Goggles No modification to stock componentsThe 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 is manufactured 100% at their