Originally Posted By: ExMachina
Fram Ultra's double-layer synthetic media is different from and better than the RP's white media. I doubt a Synteq media oil filter would beat a Fram Ultra media.
Different... yes. Better.... not much, according to the numbers.At least I don't think 1% is significant.
I think the 2nd layer does everything and the first layer is just for "look at us, we have two layers!" bragging rights. Or to catch boulders.