Quote:
Originally Posted by Captain Snooze
Would you care to elaborate on that statement?
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I am not sure, so I use a "?" Or I think it is the bypass valve pressure that might be affected. Iv heard that oem subaru oil filter is the best because it have a bypass valve pressure that "match“ this car. And Filtermag might affect this. Aftermarket filter use lower bypass valve pressure so it allow more oil flow through the filter. I mean aftermarket filters have higher flow rate.
This guy might be able to explain why oem filter is the best.
Quote:
Originally Posted by Clipdat
You should probably stick to the Subaru OEM 15208AA130 oil filter since it's the only one that has been confirmed to have the correct bypass valve spring value.
But, best of luck in your search.
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