The Hiflofiltro HFA4916 motorcycle air filter is a direct replacement for the original equipment filter on the Yamaha YZF-R1 and fits in the factory airbox. Its filter media 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