Ok yeah, here's the thing. That decor part 12793160, only fits up to the 2007 SS. Rear bumper is totally different on '08 and up. Saab has that new valence piece that replaces like a third of the rear bumper for the '08 and ups, but it's like $250. Don't like the look of it and it's pricey.
This piece (12793160) does not fit '08 and up:
This piece fits (32025847), but costs $$$:
So I went to Autozone, bought some universal door molding (has adhesive already on the inside), and just measured and cut it to length. $10 bucks for a 15 foot roll I think?