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Originally Posted by Chills
What does the cold air intake system do?
(forgive the noob question)
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I was going to write a nice long explanation, but I think this sums it up :
A cold air intake is a system used to bring down the temperature of the air going into a car for the purpose of increasing the power of the internal-combustion engine.
All cold air intakes operate on the principle of increasing the amount of oxygen available for combustion with fuel. Because cooler air has more density for a given volume, cold air intakes generally work by introducing cooler air from outside the hot engine bay.
http://en.wikipedia.org/wiki/Cold_air_intake
Nick