You can find a cheap mustang anywhere. You wont be able to find a fast back for that little though unless somee old woman is dies and needs to get rid of it even if its a project car. There are a lot of car classifieds online you could look at. Most of them let you narrow it all down by location, price range, and car. A good website is
Just look around. But be warned, for $2500 you are gonna get a beater. Good luck and have fun.