FMF Powercore 4 Hex Slip-On Aluminum silencer Honda CRF 450X 2005-2009 & 2012-2017

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