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The 23 psi spec is based on a pressure differential. If the filter has better flow then you'll experience a lower dpsi. It is conceivable that a better flowing filter would go into bypass less often than one that simply has a heavier spring in it.

Yes... it is a tokyo roki higher capacity filter with a 23psi bypass rating (which shouldn't matter)

Originally Posted By: telecat It's a Fram in sheep's clothing. Haha. Thats awesome. It seems really well constructed... I know there are some really bad looking fram dissections out there, but this one looks solid.

It sounds like cardiac arrest. I have always found it curious that the bypass valve rating is a big sticking point for so many people. How often does a pressure differential of 23psi actually occur? A filter that flows more freely allows for a lower pressure differential in most situations and...

Used filter Analysis here! I am sure this has been done, but this was taken off a subaru crosstrek after 6000 miles running 0w20 oil from the dealership. The ADBV was soft and the fiber endcaps firmly adhered. The center tube was aligned perfectly and the bypass valve felt very firm. Media was...