Product updated on 2020-04-16, RK Sport - RKS:02013064, 03+ Cavalier C/F SS Ram Air Hood Blister. , While minimizing drag, this design is most efficient at collecting and ramming air to the throttle body and increasing your horsepower !! What a dynamic way to look good while increasing performance. Use stock hardware for ease of installation. A modifi, RK Sport Ram Air Hoods are ducted to your factory air cleaner location. Add a cold air intake to make them fully functional. On some models you simply need to cut open the top of your factory air box.