Quote Originally Posted by hklvette View Post
I don't have a GXP, but are you talking about the "vents" in the quarter panels by the doors?
Yes I am talking about the factory ones

Quote Originally Posted by SDGTP99 View Post
The GXP heat extractors are blocked. But they can be made functional if you remove the material blacking them.
Thank you I will tear into it more next oil change, I need to spend a day on it anyway. Alignment, balance tires, oil change, trans flush, power wash undercarage.......and the list continues