Seller notes

FMF PowerCore 4 Hex Slip-On Muffler #044423 for Yamaha YZ250F/YZ250FX/WR250F Product Details FMF designed the PowerCore 4 HEX with an eye towards top-of-the-line to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability.Fits machines with stock or FMF headerOverall increase in power and torqueDurable stainless steel mid-pipe and aluminum muffler sleeve constructionSpace age internal packing ma...

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