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      08-25-2012, 12:37 PM   #17
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Very good to know, as this was my key worry about using an oiled filter...thanks for sharing this real world experience. Also, in my research, I found out that the OEM paper filter has 99.1% filtration efficiency per ISO tests, which isn't much better vs MS.

Originally Posted by Leonardo629 View Post

I recently did an oil analysis, and no silicon issue was found in my sample. I'll have to say, as far as filtration goes, MS stage 2 intake is 100%.