I was looking for imformation on air filters and found this with a google search.
The test was done superflo testing bench. Shows relative flows of major brands.
http://www.fordmuscle.com/archives/2000/01/airfilters/index.shtml
The test was done superflo testing bench. Shows relative flows of major brands.
http://www.fordmuscle.com/archives/2000/01/airfilters/index.shtml