FMF PowerCore 4 HEX Slip-On Exhaust Yamaha YZ450F / YZ450FX / WR450F 2014-2018

FMF PowerCore 4 HEX Slip-On Exhaust Yamaha YZ450F / YZ450FX / WR450F When designing the PowerCore 4 HEX Exhaust, FMF took a hard look at their top of the line mufflers to produce race-inspired performance at a more economical price. The end result is a quality muffler that delivers improved torque, increased horsepower and rugged durability all at a price that won't break the bank. Features: Increase in power and torque through entire RPM range Durable stainless steel and aluminum construction High quality internal packing material for maximum longevity Internal shape of the core utilizes Hi-Flo technology Enhanced sonic evacuation provides higher flow and increased power Removable spark arrestor included Can be used with FMF or Stock OEM Header Weight: 5.7 lbs 100% made in the USA Note: Image is for reference only.