Muffler

FMF Racing Factory 4.1 RCT Aluminum Slip-On - 042394

The Factory 4.1 exhaust system with the Powerbomb header is FMF's premier exhaust system. This system is perfect for the track or dunes, and is used by factory teams such as KTM, Epic Can-Am and Rath...

FMF Racing Kawasaki KX250F 21-24/KX250X 21-22 Hex Q4 S/A Muffler - 042393

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion...

FMF Racing Powercore 4 Hex Muffler - 042392

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...

FMF Racing Kawasaki KX250F 17-20 SS Alum Factory 4.1 RCT R. Carbon Cap Comp System w/ SS MB Header - 042377

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...

FMF Racing Kawasaki KX250F 17-20 Anodized Titanium Factory 4.1 RCT S/O w/Carbon Cap - 042376

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...

FMF Racing KX250F 19 S/S Factory 4.1 RCT Slip-On - 042374

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...

FMF Racing Anodized Titanium Factory 4.1 RCT Muffler w/Carbon Cap - 042371

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...

FMF Racing Kawasaki KX450F 19-23 / KX450X 21 SS Aluminum Factory 4.1 RCT SO Muffler w/ R. Carbon Cap - 042369

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...

FMF Racing Kawasaki KX450F 19-23/450X (2021) Hex Q4 S/A Muffler - 042368

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion...

FMF Racing Kawasaki KX450F 19-23/450X (2021) Powercore 4 Hex Muffler - 042367

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...

FMF Racing 17-20 Kawasaki KX250F Powercore 4 Hex Muffler - 042345

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...

FMF Racing Kawasaki KX450F 16-18 SS Powerbomb Header - 042337

The redesigned PowerBomb is a 4-stroke header that incoporates FMF's patented PowerBomb module at a precise location in the initial stage of the header, resulting in performance gains and improved...