Product updated on 2020-01-08, RK Sport - RKS:29015000, 2011-14 Silverado 2500/3500 HD Ram Air Hood. , Silverado functional Ram Air hood with louvers. Installs using all the factory hardware and comes Gray Gel Coat., Nothing makes more impact on the look of your 2011-14 Silverado 2500/3500 HD than a RK Sport Ram Air Hood. Check out our premium quality functional, fiberglass ram air hoods for your Chevy Silverado. They will keep you looking and running like a million bucks. RK Sport fiberglass and carbon fiber hoods for the Silverado's features a Ram Air Scoop and Heat Extraction Vents for a cooler running engine and exceptional style for a better looking ride.