Originally Posted by LantanaTX
Too labor intensive to read this early in the morning. It looks like the focus on filtration and not flow. which one flows the best? I have always like the K&N but I don't travel on any dirt roads either.
HE shows the OEM MAZDA paper filter did the best job of filtration, there is another link on flow comparision, where the K&N and AMSOIL outflowed the paper filters, no shock there.