Quote:
Originally Posted by MadChemist
Air is being pulled into the motor due to the increase in volume of the combustion chamber. Increasing the path of the gas, increases the drag slowing the gas fill rate of the chamber. In theory, this should actually cause less O2 to be present in the chamber.
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Not if the piping is less restrictive than stock. Between the tubes being smooth unlike stock and the less restrictive filter, its a net positive.