Would you believe it if a mechanic told you he found a wig in your engine? What about an oven mitt? We ask these questions and more during our hidden camera shoot at a local auto repair shop to make sure nothing gets by our customers.

Changing your engine air filter can help increase gas mileage, acceleration and the overall efficiency of your engine. In this video we show you each step of an air filter replacement and explain how a new filter can help prevent dirt, sand and other road debris from damaging your engine.