FMF Racing® PowerCore 4 HEX Slip-On Muffler 044441

Fits 19-20 Yamaha YZ450FX, 19 WR450F, 18-20 YZ450F

When designing the PowerCore 4 HEX, they looked at their 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:

• Overall increase in power and torque
• Durable stainless steel and aluminum construction
• Space Age internal packing material for maximum longevity
• Internal shape of core uses Hi-Flo technology
• Enhanced sonic evacuation provides for higher flow and increased power
• Includes removable spark arrestor

Finish:

• Silver

Fitment:

• 2019-2020 Yamaha YZ450FX
• 2019 Yamaha WR 450 F
• 2018-2020 Yamaha YZ 450 F