FMF Racing Powerbomb Stainless Header for Yamaha YZ450F 07-09/WR450F 07-15

FMF PowerBomb Header Yamaha YZ450F / WR450F 

If you spend most of your time riding in the mid to upper RPM range the FMF PowerBomb is the header for you. The PowerBomb incorporates a patented chamber at a precise location in the initial stage of the header. This chamber allows exhaust gases to expand and then contract, resulting in nearly a 10% flow increase. Not only does the PowerBomb offer more usable mid to top end power, it also acts as a pre-muffler and can help lower exhaust sound output.

Features:

• Increases mid to top end output from stock motor
• Reduces sound output
• Compatible with FMF mufflers only
• 100% made in the USA

Weight:

• Stainless Steel 1.7 lbs