Product updated on 2020-08-26, RK Sport - RKS:46011000, 13-14 Scion FR-S FR-S Ram Air Hood, Fits all 2013 models, 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 install a cold air intake or open up the top of your factory air box. ,