Genuine GM Accessories 22757036 Underhood Liner: Automotive. Buy Genuine GM Accessories 22757036 Underhood Liner: Hoods - ✓ FREE DELIVERY possible on eligible purchases. Fits: 2013 GM Camaro . Underhood Liner . RS Logo . For EF7 Engine . Attaches to your hood . Go ahead and pop the hood to show off the engine compartment of your GM Ride. Underhood Liner attaches to your hood to provide a detailed appearance and is available with one of three GM Ride logos. . . .