02-09-2008, 01:53 PM
Let's go B's!!!!
Join Date: Mar 2007
Location: Remington, Va. U.S.A.
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Replacement Air Filter
I'm going to get a new replacement filter for my AFE stage 2 setup.
The one in my truck now is in pretty bad shape.
AFE makes 3 different types of filters for this-
Pro Dry S- is a 7 layer synthetic oil-less filter (99.4% efficent)
Pro Gaurd 7- is a 7 layer cloth/synthetic combo that needs to be oiled (99.5%)
Pro 5R- is a 5 layer cloth/synthetic combo that needs to be oiled (98%)
As long as it is all synthetic it doesn't need to be oiled right? That is wht I always thought. I have not been oiling the one in my truck, because I was told it was all synthetic and didn't need to be.
I guess my question is this - Why go to the trouble of the oiling to gain 0.01% efficiency?
How many of you guys run the dry filters, and how many oil theirs? Any comments or opinions about it either way?
Any insight or help is appreciated.