FMF Yamaha YFZ 450R Factory 4.1 RCT Slip-On Exhaust System FMF Yamaha YFZ 450R Factory 4.1 RCT Slip-On Exhaust System ready to bolt on and

ready to bolt on and ride

all orders are custom built and have a 2-3 week turn around time

Since these are handmade

No special tools needed

WM Stage 1: Race Cylinder Head

FMF Yamaha YFZ 450R Factory 4.1 RCT Slip-On Exhaust System FMF Yamaha YFZ 450R Factory 4.1 RCT Slip-On Exhaust System ready to bolt on andFeatures: 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 is manufactured 100% at