Quiet Performance Q4™ Hex Slip-On Muffler by FMF Racing®. The FMF Q has always been in a league of it's own and the latest Q4 HEX is the most significant upgrade to date. You don't need to settle for a plugged up moto muffler hampered by an insert when you can have a compliant muffler engineered for performance. Massive power gains throughout the RPM range. FMF™ uses the highest quality proprietary blend of alloy titanium made especially to the standards. Complete system includes Titanium Megabomb Header. Quieter than stock. Huge weight savings. RTS (Rapid Tuning System) makes for easy sound insert changes as well as adding US Forestry-approved Spark Arrestor. Developed over years of championship offroad racing. Twin stage core design for lower sound output and extended life of packing material.
Notes
Remember to check your local or state laws regarding vehicle noise restrictions
This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME
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
Designed for your exhaust system needs
Will deliver unparalleled performance
Exquisite workmanship and great longevity
Over the decades, FMF Racing® has seen an amazing transformation in the world of motorcycles and ATVs. The progression of the technology is one of the challenges that keeps them going. FMF was there in the days when the singleshock and watercooled engines were huge innovations and FMF is glad to be here now for the aluminum chassis and electronic fuel injection. The goal will never change - take the most advanced machinery to its limit by building the world's best performing exhausts. And its a fact, FMF build every exhaust by hand from start to finish right here in the U.S.
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