Honda CRF 450 FMF Rear Silencer

FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve and give noticeable power increase that is very usable and beneficial, no matter what your riding style or ability is.
Completely redesigned for all late model applications.
98dB sound level with 94dB insert available for purchase.
Use with FMF or Stock header.
Removable spark arrestor included.
Space Age internal packing for maximum packing life.