He doesn't seem like hes into the Supras anymore.. he really couldn't do much on that car anymore.. and I don't blame him.
Its going to cost you alot of work and monmey but it can be done. Ask Tito about that exhaust system and see if he has it for sale anymore.
Asly and Didear are the masters of ghetto rigging fast cars

I wouldnt let them do any work on the car though, they are slower than a three-legged turtle.