I have a question. Are you sure this is missing paint? I have a similar spot, not nearly as big, but it's the plastic paper or something that was placed between the two pieces........If yours is paint, I would definitely have the whole decklick painted.......you might have to do the spoiler as well if it's missing paint once it's removed, but I would paint no more than necessary. I'm having my front bumper finally fixed from a problem pre-delivery and my guy said there's very little paint on these cars.
Good luck either way.
#296 Delivered 6-1-09 Dynoed 10-3-09 384.56HP 387.65TQ with the bolt-ons listed, no tune.....yet!
Roto-Fab CAI (Install pics here), Doug Thorley Shorties, Flowmaster American Thunder 409S Cat Back Vid