Originally Posted By: GRWOil
I'm curious about how the Fram ultra compares to the Hyundai OEM filter. Seems like they both have solid cans, silicone ADBV, metal end caps, and a sturdy metal center tube for support. All the features that you could want mechanically. I've heard that the OEM filter doesn't filter all that great, similar to an OCOD, but I've never seen any numbers here to back that up. However, I have seen great efficiency for the fram ultra, 99.5% @ 20 microns, and 50% at 5 microns.
Can anyone shed some light on the efficiency of the Hyundai filter?
I'd like to know this same info on the OEM filter as well! I've not been able to find any good info, but maybe somebody else has.