I ordered a MMD ducktail from AM about a month ago and have been battling with it since. The corners that rest on the top side of the trunk are coming up.
The spoiler came with no name 2 sided tape so I scraped it and bought some 3M but it still came up there. I did a GT500 spoiler on my old 05 and never had this problem, they are basically the same spoiler!
I tried to take a good picture but with my car being black the "gap" didn't show up.