FMF Racing® Powercore 4 Slip-On Muffler 044013

Fits some Yamaha YZ and WR models. See below for full fitment information.

When designing the PowerCore4, 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.

Finish:

• Silver

Fitment:

• 1998-2002 Yamaha YZ 426 F
• 1998-2002 Yamaha YZ 400 F
• 1998-2002 Yamaha WR 400 F
• 1998-2002 Yamaha WR 426 F