K & N Xstream Series Motocross High-Flow Air Filter - Yamaha YA-4518XD

Xstream Series Motocross High-Flow Air Filter - Yamaha
Specifically designed with special media and dry foam insert for maximum off-road protection, Fits directly into OEM air box with application specific sealing bead ensuring a precise fit, Multiple layers of woven cotton gauze media offers excellent filtration, Engineered to provide increased horsepower and acceleration, Washable, reusable, pre-oiled and ready to ride, No fuel-management modifications necessary, Made in the USA