Well you've got to elaborate on "good". That can mean airflow, maximum size of particulate that makes it through, debris holding capacity, pressure drop, etc. for filtration I look to why big diesel engines use.
Originally Posted by doug_porsche
AEM make a dry Filter that i always replace the K & N filters with i will look it up and post. I posted the info a while back
On no worries I found your thread and recorded the part number.
Originally Posted by gafernandez
Sure. I am making the assumption that the smaller filter and the bigger filter have the same filter media and that it has acceptable filtration.
Originally Posted by hunterisgreat
So then it starts to become simple math.
If your motor needs X cubic feet of air a minute, to produce your power requirements, and the filter media can flow Y cubic feet per minute, per square inch, then you will need X * Y (minimum) square inches of filter media to supply the engine. Anything more is just excess weight, unless....
As the filter gets dirty, the cubic feet per square inch starts to go down, so you need more square inches.
So, and I am making lots of assumptions, Kens bigger filters can get dirtier than my filter and not choke the engine.
So, bad pun alert, Size only matters if you plan on it getting dirty.
AEM 21-2011dk. This won't fit mine. My hoover pipe kit must be larger then normal. The I.D. of my filter is 3".
Flang length 1.125"
Flange I.D. 2.5"
Last edited by ken7258; 01-31-2017 at 05:24 PM.