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Old 10-21-2013, 04:57 AM   #1
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Intake/filter help

I bought my car with a FocusSport Cool-Flo intake that I don't particularly like; the air filter is literally disintegrating from lack of maintenance, and I think the way it attaches to the MAF sensor is a bit ghetto, it doesn't feel very secure. I also don't like how the filter rams into the wall of the shield.

I want to get a K&N X-Stream filter to replace the crappy ITG, however I can't figure out a way to attach it that's better than the current method. It needs to be at an angle, maybe 45*, in order to sit evenly and straight inside the shield, otherwise it will hit the wall and won't fit. I need a rubber elbow adapter, however I can't find any, does anyone make them? I forget the MAF diameter, I think I need a 3.5" to 3" elbow. The current adapter hits the bolts that hold the MAF to the shield, because of the fact that it sits on top of another adapter, and doesn't go all the way on. This intake is kind of stupid IMO, but I'm not about to spend 200+ bucks on a tube, not when my exhaust is rusting out and leaking.

Any ideas? There's very little room to work in that area, so I can't do an adapter-elbow pipe-adapter job.

Edit: I've edited one of the pictures to show what I'm wanting to do. Now that I look at it, it may not be possible; I'd need a really weird shaped coupler.


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Old 10-21-2013, 07:54 AM   #2
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Search by size --> http://www.knfilters.com/universal/universal.htm
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Old 10-21-2013, 09:41 AM   #3
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Posted via FF Mobile i already found the filter i want, it's linked in my post, it's the adapter/coupling that i need and can't find
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Old 10-21-2013, 04:33 PM   #4
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If you'd look through the catalog you'll find that you won't need any elbow or adapter. They make filters that are angled for reasons just like this.
... and it costs less.
The RF-1031 looks close. But I can't recall how big the MAF is; and i don't know how much room you have between the shield.
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Old 11-03-2013, 06:12 PM   #5
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Well, it took a LOT of measuring and searching, but I did find a setup that works about as perfectly as possible in this configuration.

Here are the part numbers in case anyone cares, everything was bought off Summit Racing:
K&N 084050, 3.25"-2.5" adapter
K&N RX-3800, X-Stream cone angle inlet air filter
K&N RX-3820PK, polyester dust sock "PreCharger" thing for said air filter

I reused a big hose clamp I had left over from something else, otherwise you'll need one for the adapter/MAF connection. I also ordered the big 32oz bottle of cleaner and 12oz aerosol oil, you'll need to buy them eventually anyway.

Overall this setup fits like a glove, WAY better than the crap that was on there before, and IMO it looks extremely professional now, as opposed to something a 17 year old would buy at Autozone. It wasn't cheap but worth it. (In the pics you can still see the gross black crumbs that were coming off the foam filter.)
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Old 11-04-2013, 11:40 AM   #6
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Well done. That does look much better. I always admired the ITG filters for their performance, but wondered if they would begin crumbling after some time. This answers that question for me.
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Old 11-04-2013, 11:48 AM   #7
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That thing was crumbling like an old, dry piece of bread. I can't imagine the ITG would offer any better performance over the K&N X-Stream. These filters have filter material on the top as well, instead of having a solid lid like standard cone filters. Any difference would be very trivial, so I'll take the lifetime filter that doesn't fall apart.
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Old 11-04-2013, 03:01 PM   #8
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Quote:
Originally Posted by Bonesacked View Post
That thing was crumbling like an old, dry piece of bread. I can't imagine the ITG would offer any better performance over the K&N X-Stream. These filters have filter material on the top as well, instead of having a solid lid like standard cone filters. Any difference would be very trivial, so I'll take the lifetime filter that doesn't fall apart.
The benefits claims I've always read regarding the ITG and other foam filters is that the filtering ability is better than cotton gauze/oil media filters such as K&N, not that they necessarily breathe better.

I personally use a K&N with a prefilter like you though, and I've always been happy with the performance. From this experience, I would agree that the durability of the K&N is better than the ITG when properly maintained.
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