Whipple is a company that makes screw type superchargers. They are basically an air pump that draws in air and pushes it into the engines intake manifold. As it does this it compresses the air in the intake. This gives you higher performance due to more air being packed into a cylinder when the intake valve opens.
The capacity is nothing more than how much air the units can move. It does not add that to the engine. A 5.0 is still a 5.0.
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Monday, January 2nd, 2017 AT 1:58 AM