I know that MustangTuning.com sales them for $80 if i'm not mistaken but they get them from a diff. supplier and they sell them so quick they are usually out of stock!
I didn't know the Mach spoiler would work. I was actually just thinking about trying to modify one to fit the other day. I think our bumpers need a small spoiler. It seems to sit too high off the ground.
The $200 that ABC exclusive wants is way too high.