If you take off a few punds here and there it really adds up. Before you know it youre down 100s of lbs.
my personal car went from 3230lb to 2910 lb just doing track prep and it didnt have any modern safety to begin with!
I think they know how to make their car lighter. Not to mention there are less failure points and malfunctions when you least expect it. If youre on teh track and youre cruise control screws up and keeps the throttle open or may you bump into it when youre in the heat of the moment. Boom car meet wall