Product updated on 2019-06-18, RK Sport - RKS:02013063, 03+ Cavalier Ram Air Hood. , While minimizing drag, this design is most efficient at collecting and ramming air to the throttle body and increasing horsepower. We destroyed several designs before realizing the SS Style Scoop is aerodynamically tough to beat. We incorporated this de, 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.