This Spectre High Performance Racing (HPR) Air Filter is a clamp-on cone air filter intended for 3-1/2 inch intake tubes, featuring checkered media for a stylish carbon fiber look. Manufactured using high quality materials throughout, including oiled synthetic media, urethane, and steel mesh, this performance filter is precision engineered for low restriction and better performance. This filter's top houses an inverted cone filter for improved service life and enhanced flow potential. Designed with a triple chrome plated steel top and base, this 5-1/2 inch tall air filter is factory pre-oiled and ready to use. This Spectre High Performance Racing (HPR) Air Filter is a clamp-on cone air filter intended for 3-1/2 inch intake tubes, featuring checkered media for a stylish carbon fiber look.