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Note: For closed course competition use only. Not intended for street use.
Factory 4.1 Slip-On Mufflers are constructed using high-grade materials that meet FMF's strict specifications. This muffler is designed to be shorter than OEM mufflers, making it susceptible to crash damage and complements. It enhances the exhaust pressure to deliver great sound and optimal power performance.
FMF Powercore 4 Mufflers feature durable stainless and aluminum construction. This muffler boasts a Hi-Flo technology for higher flow and increased power. It comes with a removable spark arrestor. FMF Powercore 4 muffler gives impressive horsepower gains all at a price that won't break the bank.
The Q4 Muffler is a serious sound-deafening muffler developed by FMF Racing. This muffler is integrated with high-performance quiet technology that keeps noise level to a minimum without power loss. FMF Quiet Performance Q4 Muffler is 100% made in the USA.
FMF Racing Powercore 4 slip-on mufflers for Honda dirt bikes are designed for closed course competition. They are made to provide improved torque, increased horsepower, and long lasting functionality. These mufflers will deliver race-inspired performance. FMF Racing Dirt Bike Mufflers are made of durable stainless steel and aluminum construction, along with advanced packing material for maximum longevity. They also include a removable spark arrestor and offer an optional 96 dB quiet insert. Order it here at a reasonable price. Free shipping!
FMF Racing is the leader in high performance quiet technology and their Q4 for Honda dirt bikes is the next evolution in off road exhaust. This Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the FMR Racing Q4 mufflers, you don’t need to hear the power, just feel the power! Order now!
FMF Racing Factory 4.1 slip-on mufflers for Honda dirt bikes are FMF's premier exhaust systems. They are the perfect mufflers for the track or the dunes, and are used by factory teams such as KTM, Epic Can-Am, and Rath Racing. They feature titanium construction with a durable stainless steel mid-pipe to withstand major abuse. So, if you're looking for elite-quality mufflers that will provide you with great horsepower gains across all rpm ranges, FMF Racing Factory 4.1 slip-on mufflers are for you. Order now. Free shipping!