The automotive aftermarket is flush with products promising to improve the performance of your car. Since swapping air filters is easy enough for any do-it-yourselfer, there are dozens of aftermarket air filters out there that claim you’ll see big improvements. But do they really work? YouTube’s Engineering Explained decided to put them to the test.
This is a companion discussion topic for the original entry at https://www.hagerty.com/articles-videos/articles/2018/11/16/do-performance-air-filters-actual-work