Product updated on 2021-03-15, RK Sport - RKS:54011000, 2016+ Nissan Titan Ram Air Hood. Fits XD diesel model only., Functional Ram Air Hood. Dumps air over stock airbox. , 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.