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Series I Aftermarket Performance Modifications Discussion of power adding modifications

AFE Pro-Dry filter or Green Filter?

Old Nov 16, 2008 | 09:13 AM
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AFE Pro-Dry filter or Green Filter?

I know it wont make much differance in the end but has anyone heard anything good or bad about either filter for flow and filtration? The AFE using a dual layer dry synthetic fiber mesh vs. The Green's woven oiled cotton as opposed to K&Ns sandwiched oiled cotton
gauze? http://www.autoanything.com/air-filt...A4151A0A0.aspx

http://www.amazon.com/Green-Filter-2...N%3DB000CMFIBW

Last edited by newguy; Nov 16, 2008 at 09:22 AM.
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Old Nov 16, 2008 | 11:40 AM
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I use the green air filter in my car with no problems pretty much the same as k&n. Go with what every filter you want you will see the same results either with the green or k&n. With an aftermarket drop in air filter you will get alittle better flow and filtration. And in the long run it is cheaper to wash and re oil the filter then to keep buying oem air filters. Whether you decide to order green or k&n make sure to order there filter cleaning and oiling kit
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Old Nov 16, 2008 | 11:44 AM
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www.injectedperformance.com sells the green drop in air filter. Great Service and fast delivery and i believe they will price match
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Old Nov 17, 2008 | 12:47 AM
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I went with the AFE Pro Dry S, works great...and I like that it's a dry filter that is reusable (easy to clean and no potential problems with oil on the MAF).
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Old Nov 17, 2008 | 09:48 PM
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Originally Posted by coastie08
I went with the AFE Pro Dry S, works great...and I like that it's a dry filter that is reusable (easy to clean and no potential problems with oil on the MAF).
You can soak the MAF with K&N oil and nothing will happen with it. It is an internet wives tale that oil from air filters can foul a MAF.
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Old Nov 21, 2008 | 05:56 PM
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well i went with the green after hearing good things about it and de-walled the airbox as well and really dont noticeany sound differance enough to bother me. I really dont feel much diff but didnt expect to but the stock filter was filthy and needed changing anyway
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Old Nov 21, 2008 | 06:02 PM
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Originally Posted by Icemark
You can soak the MAF with K&N oil and nothing will happen with it. It is an internet wives tale that oil from air filters can foul a MAF.
The problem is that if/when particles get through the filter, they may be oily and are more likely to stick to the MAF at that point. This doesn't actually cause any harm to the MAF, it just might make its reading inaccurate.

However, I do agree that it's pretty much a non-issue. If somebody were actually worried about it, I'd just tell them to clean their MAF once a year.
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Old Nov 21, 2008 | 06:04 PM
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Originally Posted by Icemark
You can soak the MAF with K&N oil and nothing will happen with it. It is an internet wives tale that oil from air filters can foul a MAF.
actually it can cause bad maf readings which will cause messed up idle or stalling. happened to me. I just cleaned the maf and patted down the filter with a clothe for any excess oil and all was well again.
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Old Nov 23, 2008 | 01:08 PM
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Originally Posted by HERO
actually it can cause bad maf readings which will cause messed up idle or stalling. happened to me. I just cleaned the maf and patted down the filter with a clothe for any excess oil and all was well again.
A dirty MAF is simply cleaned and will happen regardless of what type of filter is in it...

For the people that think this is an issue, please read this:

http://www.knfilters.com/MAF/massair.htm

You will find this:

This make us wonder if it is only the oil treatment from reusable lifetime air filters that is alleged cause a vehicle problem? The idea that oil comes off our filter throughout its life is truly ridiculous. Just like oil treated disposable air filters, once our oil is properly and evenly absorbed through the cotton, no oil will come off, even under extreme engine conditions. We have even conducted a test with an over oiled K&N air filter in which we flowed 1,000 cubic feet of air per minute for over twelve hours (few cars or truck could generate even 500 cubic feet of air flow). The use of an absolute filter confirmed that no oil came off the K&N filter tested, even in these harsh conditions.

Last edited by Icemark; Nov 23, 2008 at 01:15 PM.
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Old Oct 2, 2009 | 07:40 AM
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Sorry to resurrect; but does anyone know why Green filters have become so scarce? I've tired ordering them from different vendors; but they keep contacting me after the order is placed saying they can't get them and need to cancel my order; but will let me know if they can eventually obtain some.
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Old Oct 2, 2009 | 09:11 PM
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Originally Posted by longpath
Sorry to resurrect; but does anyone know why Green filters have become so scarce? I've tired ordering them from different vendors; but they keep contacting me after the order is placed saying they can't get them and need to cancel my order; but will let me know if they can eventually obtain some.

I can sell you a barely used one, maybe a couple hundred miles max
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Old Oct 6, 2009 | 09:39 PM
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Originally Posted by TeamRX8
I can sell you a barely used one, maybe a couple hundred miles max
PM sent asking for price.
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