This test simply shows that a performance air filter can slightly increase the performance of the vehicle. Moreover, it's quite essential to keep the cars air filter clean as it smoothens the airflow.

There's a huge price range in air filters—so we were curious to see if the fancy ones made any measurable increase in engine power.

Car enthusiasts are always looking for new upgrades for their cars. One common option is a new air filter, but does it actually improve performance?

Performance air filters bill themselves as easy ways to add horsepower, but do they actually work?

Do they? Jason Fenske of Engineering Explained is here to answer that question. For the test, he used a Subaru Crosstrek and four different air filters.

Well, Jason Fenske of Engineering Explained put these claims to the test, and it turns out that yes, high-performance air filters do actually yield more power. But not much.

Paragon Performance set up a C8 Corvette air filter comparison test, with dyno results showing how this simple and affordable upgrade can increase output.

Shopping for a whole-house HVAC air filter? Consumer Reports provides expert advice on how to make an informed choice.

Problems have been encountered in the repeatability of performance measurements in the panel filter universal test housing specified by the Society of Automotive Engineers' SAE J726 Air Cleaner Test ...