FMF Racing® Aluminum/Stainless Steel PowerCore 4 HEX Slip-On Muffler Spark Arrestor

2015-2019 Yamaha YZ250FX, 2014-2018 Yamaha YZ250F, & 2015-2018 Yamaha WR250F

When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.

Features:

• Hi-Flo end cap boosts all-around performance

• Computer-designed and dyno-tested for every 4-stroke application

• Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power

• A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability

• Round perforated steel inner cores make for optimum flow, using hi-flo technology

• FMF's exclusive cross-weave internal packing provides longevity and maximum sound dispersion

• Elliptical aluminum can offers strategic sizing for superior performance

• Optional Quiet Core insert will provide a decrease in sound level if desired

• Feature a screen-type spark arrestor that does not interrupt exhaust flow or performance

Finish:

• Aluminum/Stainless Steel

Fitment:

• 2015-2019 Yamaha YZ250FX

• 2014-2018 Yamaha YZ250F

• 2015-2018 Yamaha WR250F