Now I know what needs to happen, Thanks for responding so quick.It is welded in place. Many spot welds. Not something you can remove and put back in without welding. Try some rubbing compound to knock down the gloss. Otherwise sand, mask, and repaint.
Thank you all for the input.Here is some info for a Challenger tail panel. Cuda is the same process:
Refinishing the Tail End of A 1973 Dodge Challenger - Mopar Muscle