Several aftermarket manufacturers sell engine intake air filters that they claim provide better airflow and increase a car’s horsepower and acceleration as a result. Some of these companies have many ...

Air filters are your car’s first line of defense to keep dirt, dust, and other debris from entering the engine. Once inside, these particles can wreak havoc with vital components and cost you ...

While the OEMs overwhelmingly opt for paper air filters, cotton gauze filters are a staple of aftermarket induction systems. So what makes the cotton gauze medium so much more conducive to airflow?

If you drive a car with an internal combustion engine, which is most modern vehicles that run on fossil fuels, then your engine requires a precise combination of fuel and oxygen to function properly.

Every time you hit the road, your car's intake system pulls in air that's full of dust, pollen, bugs, and other junk. That's where the engine air filter steps in, acting as the first line of defense ...

Cold Air Intakes (CAIs) are among the most popular modifications enthusiasts make to their cars. Of course, like anything popular, there’s a fair bit of discourse surrounding them. Claims range from ...