FMF Factory 4.1 RCT Full Exhaust System Yamaha YFZ450 | 044438 All_bikes Yoshimura now introduces our Alpha

Yoshimura now introduces our Alpha T Street Series slip-on system

With our own tubing profile and

HOODED ZIP FRONT TECH FLEECE

you require the best equipment

Removable upper door fabric

FMF Factory 4.1 RCT Full Exhaust System Yamaha YFZ450 | 044438 All_bikes Yoshimura now introduces our AlphaThe 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