Originally Posted by ZX2 Nick

I'm not saying it does nothing, what it does is exaggerate (augment) the pedal input at the throttle blade. It opens the throttle blade more for a given pedal input. That is it's only function, it does not and cannot do anything more. It does not make a car faster, it can't. I would think that after some time the driver would get used to this "new" throttle behavior and is essence compensate with their throttle input.