Overview
FMF Racing Powercore 4 slip-on mufflers for Yamaha 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 Yamaha 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 Yamaha 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!
FMF Racing Factory 4.1 RCT mufflers for Yamaha dirt bikes offer the latest technology inside and out. Hand-built using aerospace-grade materials, these mufflers feature (RCT) or Resonance Chamber Technology. FMF's patented core enhances and refines exhaust pressure waves for optimal power output, while lowering the sound levels. Their redesigned canister shape allows for a maximum volume of packing material that's formulated for durability and sound attenuation. Plus, their RTS (Rapid Tuning System) makes for easy sound insert changes, as well as adding US Forestry Approved Spark Arrestors. FMF Racing RCT mufflers are constructed using aerospace-grade materials, they run quieter than stock, and gain huge weight savings and massive power throughout the rpm range. Order it here at 4WheelOnline.com.