How does an air filter increase your car’s horsepower?

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5D4 7880

Air filter are designed to protect the engine from ingesting unwanted things which would harm it. So the air filter needs to stop foreign objects and particulates getting into the engine, but only let the air through.

An inefficient filter might stop the objects very well, but constrict the airflow more than a better filter which manages to prevent particulate ingestion while not inhibiting the flow of air so much. An old filter will pass less air as it becomes blocked with all of the contaminants it has stopped reaching the engine.

If you get more air into the engine, you can increase the engine combustion rate, or burn it more efficiently, hence more power.

Any recommended air filter ?

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