oil filters and oil pressure increase ?

famous bob said

may be nonsense to you, I stated a proven fact, don't give A RATS *** , ONE WAY OR ANOTHER !!

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Yes, and like I said, the pressure goes up on the K&N the same reason the K&N air filter flows more air. It lets more "stuff" through. "Stuff" is everything. Oil, dirt and all. I'll stay with WIX.