Edit: I got the concept from Sourmug.
I do have something similar made by them on the lip of the front spoiler on my '87 GT. I like it. Never thought about it as a small trunk spoiler.
Two things though...
1. The adhesive is a really good 3M brand name. It will not last on waxed surfaces. Dewax and degrease, then apply. Also, to keep it fresh, I spray silicone on a rag and rub it into the rubber. It lasts a long time, and keeps it from staining.
2. The 3M tape is of the light brownish variety. I hit the edges with a black sharpie before I adhered it. This is the first attempt. On the second go around I did not want to see the tape.
[This message has been edited by Tony Kania (edited 06-27-2017).]