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Old 07-27-2012, 08:08 AM   #1
DFW06ZXW
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Not your usual ways-to-ditch-the-lifetime-filter question

I just aquired my '06 ZXW last week and it's just over 130k miles. I'm just learning about the Duratec engines, and Ford's idea of "lifetime" filters.

I've purused the numerous threads about trading out the lifetime filters for cold intake and short ram options for moving to a serviceable filter.

My question is...has anyone futzed with figuring out a swap option for installing a "normal" serviceable filter airbox, perhaps out of a different vehicle, in to the Focus?

For example...perhaps an airbox out of a Mazda, or a or even an older Honda CRV (they're 2.0L 4cyl also). I'm just wondering of instead a $200+ option from FSWerks or K&N, etc....perhaps a trip to the junk yard or a part-out car on Criagslist could offer a solution that could take a normal rectangle filter.


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Old 07-27-2012, 10:39 AM   #2
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Well which ever way you go, do know that you will have to keep the maf diameter the same where the meter is. So that means either reusing your current maf pipe/peice or finding another make with exactly the same diameter (unless you plan on paying for some tuning, which would defeat your price conscientiousness.)

Probably easier than trying to find another make that you could swap intakes with would be doing what is known as the stealth CAI.

http://www.focusfanatics.com/forum/showthread.php?t=195366

you can search this section on it too, lots of talk on the subject.
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Old 07-27-2012, 10:48 AM   #3
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Have you looked into a 2008 non-PZEV air filter assembly? I bet there has to be someone on here that has one laying around after installing a CAI. Might not be that hard of a swap.

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Old 07-27-2012, 10:54 AM   #4
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Quote:
Originally Posted by Egz View Post
Have you looked into a 2008 non-PZEV air filter assembly? I bet there has to be someone on here that has one laying around after installing a CAI. Might not be that hard of a swap.
I just came across this on eBay and was going to ask you all, generally, the same thing. @Egz: Is what is in this eBay listing what you're talking about?

http://pages.ebay.com/link/?nav=item...obalID=EBAY-US
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Old 07-27-2012, 11:35 AM   #5
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Quote:
Originally Posted by DFW06ZXW View Post
I just aquired my '06 ZXW last week and it's just over 130k miles. I'm just learning about the Duratec engines, and Ford's idea of "lifetime" filters.

I've purused the numerous threads about trading out the lifetime filters for cold intake and short ram options for moving to a serviceable filter.

My question is...has anyone futzed with figuring out a swap option for installing a "normal" serviceable filter airbox, perhaps out of a different vehicle, in to the Focus?

For example...perhaps an airbox out of a Mazda, or a or even an older Honda CRV (they're 2.0L 4cyl also). I'm just wondering of instead a $200+ option from FSWerks or K&N, etc....perhaps a trip to the junk yard or a part-out car on Criagslist could offer a solution that could take a normal rectangle filter.
I actually took the lifetime airbox apart and what I found as the filter part was a big sponge-like material with lots of pores. The lifetime filter is definitely serviceable (the meter even has a reset button on it) so you can actually rig a regular filter in there
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Old 07-27-2012, 11:46 AM   #6
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Can you share more details on how you "rigged" a filter in there, please?

Quote:
Originally Posted by oblivion2kx View Post
I actually took the lifetime airbox apart and what I found as the filter part was a big sponge-like material with lots of pores. The lifetime filter is definitely serviceable (the meter even has a reset button on it) so you can actually rig a regular filter in there
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Old 07-27-2012, 01:02 PM   #7
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Quote:
Originally Posted by DFW06ZXW View Post
I just came across this on eBay and was going to ask you all, generally, the same thing. @Egz: Is what is in this eBay listing what you're talking about?

http://pages.ebay.com/link/?nav=item...obalID=EBAY-US
That looks like the non-serviable PZEV filter.
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Old 07-27-2012, 03:23 PM   #8
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Quote:
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Can you share more details on how you "rigged" a filter in there, please?
I didnt rig any filter in there, I went cai route lol... but I took my pzev intake apart and the foam in there is the actual filter. If you take it apart, you will see what I'm taking about and you can easily fit some kind of filter in there.
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Old 07-27-2012, 06:38 PM   #9
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I have 150,000 miles on my lifetime filter. It is still green on the filter minder. Why change?
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Old 07-27-2012, 08:31 PM   #10
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same reason you would change your oil every 3000 miles, lol dirty... restrictive does not mean clean/dirty..
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