Case #1: Second post down in this thread. Look at the sig for a stock GT time. Please note this guy races a Honda, so I'm sure he has no desire to overly inflate his GT timeslips. And no, Magnaflow mufflers don't do a DAMN thing for a stock GT except make it louder (before you try to say they do).

Case #2: Here's one 100% bone stock with an AUTO.

Of course, neither one of these will do anything for you I'm sure except that you'll say they're made up or you haven't seen it done or it's not possible, or blah blah. I mean, after all you hate Mustangs so they can't be worth anything, right?