At DMG Motorsports, we present the Hiflofiltro Air Filter (SKU 551-4907 / HFA4907) — a precision-engineered, direct OE replacement built specifically to slot into the factory air box on compatible Yamaha YZF-R1 models without any modification. Hiflofiltro has been supplying original equipment manufacturers since 1963, and that OEM-grade engineering carries directly into this aftermarket filter, giving you a drop-in upgrade that restores factory airflow and filtration without the hassle of rejetting your carburetor or reprogramming your fuel settings. Whether you're doing routine maintenance or refreshing a project bike, this filter delivers the fit, form, and function riders expect from the world's most trusted aftermarket filtration brand.

Features:

• Direct OE replacement engineered to fit the factory air box on Yamaha YZF-R1 models (1998-2001)
• Manufactured to fit perfectly with no need to change carburetor jets or settings
• Top-quality Powerflow filtering media developed specifically for modern high-performance engines
• Meets or exceeds original equipment specifications for reliable engine protection
• Replaces OEM part number Yamaha 4XV-14451-00
• Backed by Hiflofiltro's decades of OEM manufacturing experience since 1963
• Sold each

Fitment