Air intakes are openings that capture air needed to operate an internal combustion engine. A cold air intake is like an inhaler that lets the engine breathe. Cold air intakes move the air filter outside the engine compartment so cooler air can be pulled into the engine for combustion. Cooler air carries more oxygen. The denser air means more power. An aftermarket air intake is often the first performance upgrade people make. A high performance air intake kit delivers improved horsepower and enhanced throttle response. Air intakes are one of the easiest performance parts to install, requiring only minimal mechanical knowledge and basic hand tool.