Quote Originally Posted by cgEvan
holy sht, my dad's camaro must be light.

12 psi per wheel holds up the back.
Do you know what PSI stands for? Do you also how high the pressure would be raised in order to move the same amount of air through a closed system, with the small volume of the exhaust? Not to mention the amount of force required to increase the pressure. Try to pump up a tire with a hand pump...