New GM outer air deflector.  This is RH (passenger's) side.  The air deflector forces air into your radiator for proper cooling.   Air deflectors are commonly damaged from speed bumps and parking stumps, so you should check yours every year or so for proper condition.  A damaged or missing air deflector is the #1 cause of overheating while cruising.   Installation takes approx. 1/2 hour, and should help cooling and increase cosmetic appearance.  Fits the following:

06-08 Corvette Z06