K&N Engineering 25-4518 X-Stream Series Motocross High-Flow Air Filter

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!.

Vehicle Fitment:

2019-2020 Yamaha YZ250F
2018-2020 Yamaha YZ450F
2019-2020 Yamaha YZ450FX