FMF Powercore 4 Hex Muffler Yamaha WR450F (2020) | 044462 Aprilia Light-weight motocross tire with Mono-Flex

Light-weight motocross tire with Mono-Flex Tire Technology

DRZ110 03-05

Cooper Webb

2003-2006 Yamaha WR250F

The original Powercore is a lightweight and compact silencer constructed of an extruded aluminum canister with nickel plated stinger and end cap

FMF Powercore 4 Hex Muffler Yamaha WR450F (2020) | 044462 Aprilia Light-weight motocross tire with Mono-FlexWhen designing the PowerCore 4 HEX, FMF looked at 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