K&N Engineering XStream Series Motocross High-Flow Air Filter - YA-2506XD

Designed to increase horsepower and throttle response
Provides high capacity, with low restriction, resulting in increased horsepower and torque
Features K&Ns purpose-built XD Extreme Duty Filter Media
Deep pleats provide high airflow and long service intervals
Tri-Star injection-molded top, integrated tongue-and-groove-top-seal, pliable double-beaded base seal
Application-specific base seal ensures a precise fit
Two-piece design allows for easy installation directly into your OE air box
No fuel-management modifications necessary
Washable and reusable, pre-oiled and ready to race!