do you have a l or ls...i think the power seats have an option or something.
well as for mods you could advance the timing on the ecu and add premium fuel....but then thats not free because of the premium gas.....
you could make your own cai....does'nt cost much....
well as for mods you could advance the timing on the ecu and add premium fuel....but then thats not free because of the premium gas.....
you could make your own cai....does'nt cost much....