- The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
- Less mass to enhance power-to-weight ratio
- Quiet power with minimal sacrifice for performance
- Developed over years of championship off-road racing
- Twin-stage core design for lower sound output and extended life of packing material
- Comes standard with spark arrestor
We are now accepting submissions for this year’s Calendar Photo Contest! Please upload your images here by 9am Pacific on September 16, 2025.
Featured Products, Exhaust
Muffler
Exhaust
Muffler
The V2 Series Slip-On muffler features an aluminum body, TIG welded components, stainless steel inlet tube and a great new look. This Lightweight Slip-On weighs approximately 5.5 lbs.
The DG Performance systems offer increased throttle response, power and torque. Standard sound level is approximately 98 db. Equipped with a US Forestry approved spark arrestor.
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
Delayed stock from manufacturer, please ask for availability.