The "Q"

What began as a test for a handful of racers needing to pass sound restrictions has now become the industry standard for quiet performance.  The Q muffler was ahead of its’ time but as the 4-stroke market grew, so did the demand for lower sound levels.  With the number of years our quiet performance technology has been around, you are guaranteed the race proven reliability and manufacturing quality only FMF can deliver.   We are years ahead of the competition in this market segment and the reputation our Q mufflers have for lowering sound while maintaining the fun factor is second to none.
The rugged FMF Q is the original and still best low sounds output, high performance solution. Take the noise out of riding, not the fun!

The rugged Q muffler was developed to decrease the sound level of a spark arrested US Forest legal muffler without hampering performance and rideability. The power delivery has been engineered to aid traction in slippery conditions and add control.