FMF Racing Yamaha YZ250F 14-18/YZ250FX 15-19/WR250F 15-19 Powercore 4 Hex Muffler - 044423 0 The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding... $399.99 Quick view add to cart Add Wish List
FMF Racing Yamaha YZ450F 14-17/YZ450FX 16-18/WR450F 16-18 Powercore 4 Hex Muffler - 044404 0 The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding... $399.99 Quick view add to cart Add Wish List
FMF Racing Kawasaki KX450F 16-18 Powercore 4 Hex Muffler - 042327 0 The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding... $399.99 Quick view add to cart Add Wish List
FMF Racing Honda XR80/100 01-03/ CRF80F/100 04-13 Powercore 4 Muffler w/SS Header - 041014 0 Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part... $279.99 Quick view add to cart Add Wish List
FMF Racing Honda XR80 86-90/ 93-00 XR100 86-00 Powercore 4 Muffler w/SS Header - 040083 0 Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part... $279.99 Quick view add to cart Add Wish List
FMF Racing Yamaha YZ250F/FX 19-24 Anodized Titanium Factory 4.1 RCT Full System w/Carbon Cap - 044457 0 The 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... $1,374.99 Quick view add to cart Add Wish List
