When designing the PowerCore4, FMF 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 aluminium construction
-Advanced packing material for maximum longevity
-Champagne colour anodized can
-Removable spark arrestor included
-Optional 96dB quiet insert available
FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve. No matter what your riding style or ability, the PowerCore 4 will give a noticeable power increase that is extremely beneficial for your motocross bike.
A complete redesign for all the latest model applications.
98dB sound level with 94dB insert available for purchase.
Use with FMF or Stock header.
Removable spark arrestor included.
Space Age internal packing for maximum packing life.