Whites OEM replacement air filters are manufactured to meet or exceed OEM specifications. Constructed to fit the factory air box and are direct replacements to OEM air filters. The premium filtering media prevents dirt and dust from entering your engine while maintaining excellent airflow. Whites Air Filters are designed for high-performance engines requiring great airflow and filtration. OEM replacement air filter Meets or exceeds OEM specifications Fits factory air box Excellent airflow Premium filtration Fits: Honda CBR400R Aero 1987 CBR400RR 1988-1990 CBR600F 1987-1988 1990