FMF

Overall increase in power and torque Durable stainless steel and aluminum construction Space Age internal packing material for maximum longevity Internal shape of core uses Hi-Flo technology Enhanced...

Overall increase in power and torque Durable stainless steel and aluminum construction Space Age internal packing material for maximum longevity Internal shape of core uses Hi-Flo technology Enhanced...

Overall increase in power and torque Durable stainless steel and aluminum construction Space Age internal packing material for maximum longevity Internal shape of core uses Hi-Flo technology Enhanced...

Overall increase in power and torque Durable stainless steel and aluminum construction Space Age internal packing material for maximum longevity Internal shape of core uses Hi-Flo technology Enhanced...

Constructed of stainless steel with a lightweight allow canSpace age internal packing for maximum packing lifeHi-Flo modular end capInternal shape of core uses Hi-Flo technologyEnhanced sonic...

Constructed of stainless steel with a lightweight allow canSpace age internal packing for maximum packing lifeHi-Flo modular end capInternal shape of core uses Hi-Flo technologyEnhanced sonic...

U.S. Forestry approved spark arrestorMegamax II is a reverse cone megaphone design and can be run open for closed course or with discs for off-road ridingFMF has radically improved the PC IV by...

Overall increase in power and torque Durable stainless steel and aluminum construction Advanced packing material for maximum longevity Removable spark arrestor included. MUFFLER PC4 S/A XR650L

Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding Aluminum construction...

Hi-Flo end cap boosts all-around performance Computer-designed and dyno-tested for every 4-stroke application Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power...

Overall increase in power and torque Durable stainless steel and aluminum construction Advanced packing material for maximum longevity Removable spark arrestor included. P-CORE4 S/A MOD DRZ400S

Hi-Flo end cap boosts all-around performance Computer-designed and dyno-tested for every 4-stroke application Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power...