Had the same thing happen to me (not the same place)! 800 bucks for a tune with the promise of free tunes then they charge me 250 in dyno time -_- really guys.
Oh geeze, just went through this hell myself to with the throwout bearing...
It's a cheap little part, got mine from the dealer
http://www.bluespringsfordparts.com/index.html
But the labor and changing it was such a PITA.
That's actually really good...
You can compare some on fuelly -- http://www.fuelly.com/car/ford/mustang
I saw the 1979 average and can't stop laughing, NINE mpg? Are these people towing boats everywhere they go?
I did mine thinking I'd like it, but I was so wrong. I think it's awful and I paid a couple of hundred for the kit. Wish I had pictures to post...
Here's the one I have.
http://www.latemodelrestoration.com/item/SRF-NRSDWPB/1994-04-Mustang-Black-Aluminum-Coupe-Rear-Seat-Delete
Sorry! I was looking at something for my car when I looked that up. Here's the diagram for the 95, I think that's what you're looking for.
http://www.bluespringsfordparts.com/1995-ford-mustang-parts.html
BTW, it won't let me edit my comment so that's why I made a second