Join The FMF Family
Trusted for over X Years
Powercore 4 HEX 044451
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.
-See Features Tab -> Fitment for header compatibility
Spark Arrestor:Screen Insert (included)
Quiet Insert:Quiet Insert (sold separately)
|Item Id - Manual Description|
|044451 - INST SHEET YAM YZ250F'19 PC-4/Q4/FACT-4.1 RCT MFLRS (044451-57)|