PowerBomb Exhaust Header 03-15 Yamaha 450 YFZ YZ WR F - FMF 044033

The FMF Racing PowerBomb 044033 is a high-performance four-stroke header engineered to provide exceptional power gains and improved exhaust flow for off-road enthusiasts. Featuring FMF’s patented PowerBomb module, this header is precisely designed to increase flow by up to 10% by expanding and accelerating exhaust gas velocity. The innovative chamber design acts as a pre-muffler, helping to reduce overall sound output while delivering targeted power characteristics—ideal for competitive riders seeking both performance and compliance.

Features

• Notice: Closed Course Use Only


• Incorporates FMF’s patented PowerBomb module for performance gains


• Increases exhaust flow by nearly 10%


• Expands and cools exhaust air before ramping up velocity


• Pre-muffler chamber helps decrease sound output


• Moto version designed for mid to upper RPM power delivery


• Stainless steel construction for durability


• Lightweight at 1.5 lbs


• FMF item ID: 044033

Specifications

• Type: Header


• Header Construction: Stainless Steel


• Header Type: PowerBomb


• Version: Moto


• Weight: 1.5 lbs


• Carb Warning: No

Vehicle Fitment

Yamaha

• WR450F (2003–2006)


• YFZ450 (2004–2009, 2012–2015)


• YZ450F (2003–2006)