Best method of weight reduction: go on a diet.
IMO, I left my spare tire in the trunk because it helps balance out the 64/36 weight distribution. With the spare out, that only becomes slightly worse.
And LT6916, how did you do your ITR trunk brace? And for whoever mentioned the throttle cable, is it just loosening those two bolts and pulling the cable out? How far do you pull? Do you want it with no slack at all or a little?