Quote:
Originally Posted by Vegas69
Couple things: The fram has a bypass valve rated at 22 psi. I prefer no bypass on a high dollar performance engine. A bypass is important on a daily driver. When you are pushing it, you want to filter ALL your oil.
The k&n does have a anti drain back valve, higher burst pressure, and lower micron rating.
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hp2002....no drain back valve
http://www.knfilters.com/search/prod...x?Prod=HP-2002
hp3002...has a drain back valve. hmmm
http://www.knfilters.com/search/prod...x?Prod=HP-3002