Powercore 4 Exhaust Silencer 03-06 Yamaha 450 WR YZ F - FMF 044222

The FMF Racing Powercore 4 044222 slip-on exhaust is engineered to deliver outstanding race-inspired performance at an accessible price point. Drawing on top-tier design elements, this system boosts overall power and torque while ensuring long-lasting durability for off-road applications. Constructed with a robust combination of stainless steel and aluminium, it includes an anodised champagne can and a removable spark arrestor for versatile riding conditions.

Features

• Engineered for significant power and torque gains over stock systems


• Rugged stainless steel midpipe and endcap combined with a durable aluminium canister


• Advanced packing materials extend operational lifespan


• Champagne colour anodised finish provides corrosion resistance and visual appeal


• Removable spark arrestor included for compliance and versatility


• Optional 96dB quiet insert available for sound regulation (sold separately)


• Designed for closed course use only

Specifications

• Item ID: 044222


• Exhaust type: Slip-On


• Configuration: Single


• Construction: Aluminium canister, stainless steel midpipe and endcap


• Finish: Champagne anodised aluminium


• Spark Arrestor: Screen insert (included)


• Quiet Insert: Sold separately


• Weight: 5.4 lbs (2.45 kg)


• Carb Warning: None

Vehicle Fitment

Yamaha

• WR450F (2003–2006)


• YZ450F (2003–2005)