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.

• 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.
• Can be used with FMF or Stock OEM Header

Make	Model	Year
YAMAHA	WR250F	15-19
YAMAHA	YZ250F	14-18
YAMAHA	YZ250FX	15-19