Fitment: 
Yamaha YZ450F (2023)

Thick, flat foam, greaseless sealing ring ensures maximum contact with your airbox while acting as a breathable gasket for increased air passage

Features:

• Coarse open-pore foam catches airborn dirt, grime, and sand
• Fine open-pore inner foam acts as second filter to trap the smallest particles while ensuring maximum air passage
• Adhesive withstands repeated cleaning
• Smaller than stock to increase air space and circulation around filter