well you can take the windows out and replace them with poly carbs as thay look the same and you can take the front door cards off and cut alot of the metal away and just refit the door cards and do the same with the boot and cut away the frame from the bonnet and you cand lose the a/c system and heater setup. Which you can do all that and nobody would know after that you need fibre glass/carbon firbe body parts.