rear seats wont save you too much weight, im afraid..if youre gonna go weight reduction youre gonna have to go pretty all out, since we have a fat car to begin with, weight lost % will NOT significantly change with small drops in weight, compared with a light car losing MORE weight..
if youre seirous abt it, how about lexan windows/hatch/fiberglass hood?
radio, AC delete? AC compressor does put some drag on your engine..