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FMF Racing Powercore 4 Slip-On Muffler For Yamaha YFZ450R ATV 2009-2022
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FMF Racing Powercore 4 Slip-On Muffler For Yamaha Features
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U.S. Forestry approved spark arrestor
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FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding
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Aluminum construction and stainless steel Hi-Flo endcaps make for the perfect balance of performance and strength
About FMF Racing Powercore 4 Slip-On Muffler For Yamaha
We developed the PowerCore4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo endcaps make for the perfect balance of performance and strength.
