FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex Muffler - 044441 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 4.1 Complete System w/Carbon Cap Megabomb Header - 044438 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... $1,049.99 Quick view add to cart Add Wish List
FMF Racing 4.1 Complete System Carbon Cap w/SS Powerbomb Header - 044401 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... $949.99 Quick view add to cart Add Wish List
FMF Racing YFZ450 Factory 4.1 S/O Anodized Titanium Muffler - 044400 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... $674.99 Quick view add to cart Add Wish List
FMF Racing Yamaha TTR110 08-15 SS Powercore 4 Complete System S/A - 044273 0 Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components. $299.99 Quick view add to cart Add Wish List
FMF Racing Yamaha TTR/TTRL125 Powercore 4 Muffler/Header - 044136 0 Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components. $279.99 Quick view add to cart Add Wish List
