The Hiflofiltro HFF4014 motorcycle air filter is a direct replacement for the original filter and fits the factory airbox. Its special dual-layer foam is designed to provide filtration and airflow for MX and Enduro motorcycles.
- Filter type: Two-stage foam
- Fitment: Factory airbox
- Compatibility: Yamaha WRF 250 2003-2013, Yamaha WRF 450 2003-2015, Yamaha WR 250, Yamaha WR
- Reusable: Yes