Product information updated on 2021-09-17, Manufactured by RK Sport - Part Number RKS:29016000, 2014-15 Silverado 1500 Ram Air Hood., Ram Air hood with louvers. Installs using all the factory hardware and comes Gray Gel Coat. Functional, ducted to the factory airbox location , 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.