Product updated on 2019-07-04, RK Sport, RKS:35016000, Ram Air hood with louvers. Installs using all the factory hardware and comes Gray Gel Coat. This hood is ducted inside the engine bay and is functional, 2014-2018 Sierra 1500 Ram Air Hood. Nothing makes more impact on the look of your 2014+ Sierra 1500 than a RK Sport Ram Air Hood. Check out our premium quality functional, fiberglass ram air hoods for your GMC Sierra. They will keep you looking and running like a million bucks. RK Sport fiberglass and carbon fiber hoods for the Sierra's features a Ram Air Scoop and Heat Extraction Vents for a cooler running engine and exceptional style for a better looking ride.