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Originally Posted by SkullV  Factory filters are the way to go! |
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Originally Posted by SFBayV Not so super secret, but I've exceptional results with either Mobil 1 or K&N Gold oil filters. They're both very robust and appear to be the exactly the same with the exception of cosmetics and the nut on the K&N.
Cory |
AC Delco and Mobil 1 both have good results. I've seen good and bad for K&N but I need to find those studies. Fram has been repeatedly shown to be among the worst filters ever...