FMF® GYTR PowerCore®4 Slip-On Muffler

The PowerCore®4 is designed to increase the horsepower and torque throughout the entire power curve and give you a noticeable power increase that is very usable no matter what your riding style or ability is. Features include spaceage internal packing for maximum packing life. High-flow modular end cap. Internal core shape uses high-flow technology. Enhanced sonic evacuation provides for higher flow and increased power. Includes removable spark arrestor. This accessory may be restricted to closed-course competition only.(1. All ’06 and later Sport ATV models are regulated by the EPA. Because this accessory affects emissions using it constitutes tampering punishable by law unless the vehicle is only used in closedcourse competition. 2. This performance accessory does not meet California standards for off-road recreational vehicle usage regardless of model year.)

Fits ’04~’09 & ’12 YFZ450