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
Originally Posted by SDGTP99
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