FMF Racing PowerCore 4 Yamaha Exhaust Muffler 044434

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.

Upgrade your Yamaha motorcycle with the FMF Racing PowerCore 4 Exhaust Muffler, Part Number 044434. Designed for riders seeking improved exhaust performance and a durable replacement for the original muffler, the PowerCore 4 combines FMF Racing’s established off-road expertise with a practical, competition-inspired design. Its application-specific construction is intended to provide dependable