The FMF Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, achieve a shorter overall length that is less susceptible to crash damage and complementary to 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.
Fitment:
Husqvarna FE501 2020-2022
KTM 500 XCF-W 2020-2022
KTM 500 EXC 2020-2022
NOT FOR HIGHWAY USE
US SHIPPING ONLY