^ ooh, a logical argument. It's spelled exemplified though
When you mention the Spec C STI aluminum trunk though, bear in mind (and tell me if I'm wrong on this!) that the Z is already largely built out of aluminum. Without going carbon fiber a la CSL, there really isn't a lot of weight reduction to be had without aggressively setting up the car for racing.
Good man, Technik, welcome to the 370Z forum