FMF 044222 PowerCore Slip-On Exhaust for Yamaha - 4 YZ/WR450F

The FMF PowerCore 4 Slip-On Exhaust (part number 044222) is engineered for 2003-2006 Yamaha YZ450F and WR450F models, delivering a significant performance boost while reducing weight. This slip-on muffler is designed to maximize horsepower and torque across the RPM range, making it an ideal upgrade for both motocross and off-road riders.

Key Features:

• Several pounds lighter than stock exhaust system for improved handling and reduced unsprung weight
• Hi-Flo stainless steel core optimizes exhaust flow for increased power output
• Aircraft-grade aluminum canister provides durability while keeping weight minimal
• Formed end caps for a professional, finished appearance
• Direct bolt-on installation with no modifications required
• Exceptional performance gain at an affordable price point

The PowerCore 4 design features FMF's proven technology that enhances throttle response and provides a crisp, aggressive exhaust note. The stainless steel core construction ensures long-lasting performance in demanding off-road conditions, while the aluminum canister resists corrosion and maintains its appearance over time.

Fits: 2003-2006 Yamaha YZ450F and WR450F