FMF is the leader in high performance quiet technology and our Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!
Incorporates internal baffles, chambers and space age sound-absorbing materials to accelerate exhaust flow with less noise and minimal power loss
Well under the 96db sound output on most machines to satisfy strict sound requirements
U.S. Forestry approved Spark arrestor with maintenance free, stainless steel spark arrestor screen
Backordered Item is currently backordered with the supplier and will ship out as soon as it's available.
Please contact us for more accurate release date information.