Hook your Ford Mustang up with slickest and slickest custom wheel out there. GT4 wheel design is from the Ford GT Supercar. It's not a big surprise these custom wheels look great on the Ford Mustang, but not many Mustang owners consider putting them on your car. GT4 wheels look great on the Ford Mustang. Now a company has come out with even deep dish version of the GT4 wheel to excite things up even more. Highly recommend these GT4 wheels if you're looking to give your Mustang a more aggressive look and feel, you really can't go wrong with them.