How To Clean Cold Air Intake Filter At HomeCold air intakes are air filtering systems designed to be installed in vehicles equipped with pre-closed air filters. The goal is to completely remove the closed air filter and replace it with a larger filter to allow more air to flow into the engine.This airflow circuit has protection in the form of a filter that catches any particles or dust that enters your gas-powered vehicle system. So it is very important to keep this filter clean.Cool air increases efficiency by increasing the amount of air entering the engine. Unfortunately, there is also a lot of dirt and grime that goes with the extra airflow. :arrow: How To Get My First Job On