Description of the cold air intake system. Any intake system is responsible for supplying oxygen to the engine.This is the burning needs, which is used to fill up your car. What makes a cold air intake system different is the placement of air filters. This is transferred to the engine outside the main cabin. As a result, cooler air now goes directly into the engine's combustion chamber. Cold air is denser than hot air, which means more oxygen flows into the combustion chamber. Simply put, a cold air intake system increases the flow of oxygen by pumping cool air into the engine. Specification: .