It's okay, but he's gotta lose the wing. I'm not a big fan of cars being higher at the rear than the front, especially when it's way too low at the front. Lower the rear a bit or bring the front up a little higher.
There's only one classic Celica that looks more stupid with a rear wing than a TA22/RA23, and that's the RA28/25 and TA27 series liftbacks. These cars already have the small lip on the rear section and a rear wing/spoiler looks really stupid - even the proper Toyota ones.