At DMG Motorsports, we present the Hiflofiltro HFA1303 Air Filter — a precision-engineered replacement filter built to restore your Honda CB350 (1973-1974) or CB400 (1975-1979) to peak breathing performance. Hiflofiltro has been trusted by riders and OEMs alike for decades, and this filter carries on that legacy with a direct-fit design that drops straight into your factory air box with zero modifications required.

Whether you're refreshing a tired classic or keeping a well-loved commuter running strong, this filter delivers the filtration quality and airflow your engine was designed around. There's no need to re-jet your carburetor or adjust any settings — simply swap it in and ride with confidence knowing your engine is protected against dirt, dust, and debris while breathing as freely as the day it left the factory.

Features:

• Direct OE replacement for the Honda CB350 (1973-1974) and CB400 (1975-1979)
• Manufactured to fit the factory air box for a true drop-in installation
• Top quality powerflow filtering media developed for modern high performance engines
• No need to change carburetor jets or settings after installation
• Backed by Hiflofiltro's decades of OEM and aftermarket filter manufacturing expertise
• Sold each for easy single-unit replacement

Fitment