FMF Racing

Buy both and save. Includes the FMF Q4 and FMF headpipe

• The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available
• Constructed from aircraft grade aluminum and high strength stainless steel
• Sound rating 96dB

The PowerBomb header promotes better flow by allowing a small expansion of the exhaust gasses. The 'bomb' also acts as a pre-muffler taking the edge off of overall sound levels. Includes clamp-on mounts for the stock heat shield. We recommend Anti-Seize on exhaust fasteners.

• The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available
• Constructed from aircraft grade aluminum and high strength stainless steel
• Sound rating 96dB
• Much lighter than the stock muffler

 The Powercore 4 spark arrestor muffler. FMF developed the Powercore 4 to increase the horsepower and torque throughout the entire power curve. Highest quality packing for long life. Removable spark arrestor included. Louder than the Q4. Approximately 99db stock or about 94db with optional Quiet Insert installed.

• Uses long-life muffler packing for increased packing life
• Forest Service approved spark arrester