2014-2018 Mazda 3 Skyactiv Engine and Performance
I am looking for input on oil treated filters such as K&N vs dry flow such as AEM filters. I have been using K&N filters for more than 15 years and have been happy with them. If there is something better out there, I would like to know.
Putting the K&N filter in my 1999 F250, I saw better...