Description
A quality air filter is foundational to engine performance—it directly impacts throttle response, fuel efficiency, and engine longevity. The Hiflofiltro HFA4907 delivers OEM-level fitment with Powerflow media that maximizes airflow without requiring carburetor adjustments, giving you measurable gains in responsiveness and reliability. If you’re running a 1998-2001 Yamaha YZF-R1 and want bolt-on performance without compromises, this is the upgrade that matters.
- Yamaha YZF-R1 1998-2001
- Direct OEM replacement
- Hiflofiltro Powerflow media
- Seamless factory airbox fit
- No carburetor tuning
- Enhanced throttle response
- No modifications required
- Long-lasting construction
- MPN: HFA4907
