It's kind of like putting on alot of ketchup onto a very good tasting meal... Also where the hell are the round headlight Capri, that doesn't exist?!
I'd start with the stock 93 Cobra front end, put two round lights on the bottom facia together like the 67 GT500's. Carefull not just two lights mounted on a bracket, they should be molded into the bumper, maybe a stalker bottom would work best because factory fog holes would have to be covered. The hood makes one hell of a difference too. Get a mach1 hood or dump a nice '83 scoop on a stock hood. Get the rest of the 93 Cobra body kit, lower it, and slap on some black Bullet wheels with chrome lip. Window tinting and remove the 5.0 badge to make room for 67 style pony emblems with the "302" markings.
As for the wing, I'd keep the stock GT wing, maybe try and fit the 83 taillights (they sort of look like tri-bars).
That's an idea...
Remember: The fox body Mustangs weren't meant to "look" like a Mustang, they continued the 60's heritage with a contemporary design (new design for 80's just like the pony car was new in 64) and continued the spirit with a variety of engine choices so just about anyone can afford a Mustang.