Custom air filters can increase horsepower up to 12%. Clamp-on style is designed for all racing motorcycles. Allows considerably more air flow than stock air box set-up. Carburetor adjustment will be required; usually a 25% increase in jet sizes can be expected. Available with chrome or black rubber end caps. NOT STREET LEGAL . These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles.
Honda CB350F 1972-1974
Honda CB400F Super Sport 1975-1977

Warning: Cancer and Reproductive Harm –
www.P65Warnings.ca.gov