The Hiflofiltro HFA4907 motorcycle air filter for the Yamaha YZF-R1 is a direct replacement for the original equipment filter and fits in the factory airbox. Its filtration material is designed for modern high-performance engines.
- Type: Motorcycle air filter
- Compatibility: Yamaha YZF-R1
- Installation: In the factory airbox
- Replacement: Direct replacement for the original equipment filter