FMF PowerCore 4 HEX Slip-On Muffler is built to boost power and torque with a high-flow core design and improved exhaust evacuation. Durable stainless steel and aluminum construction delivers long service life and consistent performance.
FMF PowerCore 4 HEX Slip-On Muffler is designed for riders who want a noticeable performance gain without switching to a full exhaust system. Its high-flow internal core and improved exhaust evacuation help the engine breathe better, delivering an overall increase in power and torque—ideal for aggressive riding where throttle response and pull matter.
Built from durable stainless steel and aluminum, it’s made to handle demanding off-road conditions while staying lightweight. The Space Age internal packing material is engineered for maximum longevity, helping maintain performance and sound characteristics longer between services. A removable spark arrestor is included for added versatility depending on where you ride.
