I'm guessing you are talking about the 'autobot' celica. Here is a list of his exterior mods. You can go to Acura and BMW and get those fenders, flares or whatever. Go to a custom body shop and have them hook you up. Or maybe try a junkyard. Peace.
Dan
EXTERIOR
Buddy Club kit, NSX air ducts, M3 roadster fenders, molded NSX fender flares, molded side skirts, carbon fiber hood, R1 aluminum wing, S2000 antenna, NOS blue custom paint, undercar LED lighting from VARAD