Bolt-On part #B-49102 - GMC Sierra & HD Ram Air, GMC Yukon & Yukon XL, Ram Air - The openings are closed from the factory, but can be cut open to give the ram air effect. No bezels for the openings are available. Show Series hood features a finished underside. This bolts to the original hinges. Minor trimming may be needed for proper fitment. This part ships via truck freight and a reliable Day Time phone number is required at checkout, so that the freight company can contact you prior to delivery. If you have any questions call 800-822-3392.