Competition off-road air filters manufactured in the Netherlands using a special dual-layer foam, formulated for maximum filtration and optimum air flow for improved power. Top quality materials and superior construction allow the filter to be used over and over again without any loss of performance. Available for most motocross and enduro models.

Cleaning How-To video Below! 

Developed for modern high performance engines
Manufactured to fit factory air box
Direct replacement of original equipment filter
No need to change carburetor jets or settings
Top quality powerflow filtering media
High quality motorcycle air filters
Dirt applications come with dual stage race foam filters

Yamaha

YZ450 F-Z,A,B,D33D 10-13