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Stillen Gen III Intake Filter Replacement

Originally Posted by tonythetiger cool thanks! No Problem. I was told that Stillen might be announcing a dry filter option soon. To answer your previous question, the K&N's that come

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Old 09-17-2012, 03:35 PM   #16 (permalink)
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Originally Posted by tonythetiger View Post
cool thanks!
No Problem. I was told that Stillen might be announcing a dry filter option soon. To answer your previous question, the K&N's that come with the kit should last the life of the car as long as it's not damaged and cleaned correctly. You don't really have to replace them otherwise. They aren't that expensive either and would probably equal the cost of disposible filters after 30k miles of use. It's easy to detroy the cotton filter element when you're cleaning them. Getting it oiled correctly is also kind of annoying. With the dry type, it's pretty much just spray solution, rinse and let dry every 50,000 miles.
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Old 12-08-2012, 05:06 PM   #17 (permalink)
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Has anyone tried the AEM 21-203BF dry filter yet? I would like to know how it fits and performs. Any pics if installed?
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Old 12-08-2012, 08:54 PM   #18 (permalink)
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I have the filters on hand but haven't had the chance to install the Gen 3's. I bought them used and has to look for PCV tubes. I've just been so busy lately and need to dedicate a day for this.
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Old 01-30-2013, 05:44 PM   #19 (permalink)
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I ended up buying those 21-203bf filters, but after test fitting them I decided to just clean/oil and reuse my k&n's. There is a little black bar/brace/support that is directly above the filters (at least in nismos) that has a few screws in it, and it holds some kind of wire looking thing. I took it off to better access the filters, and when the AEM dryflows were installed, due to the thickness of the bottom part of the filter, the bar would not go back on.

It is probably fine to leave that support piece off, but I didn't feel taking it off and resecuring the wire thing.


Comparison shot:
nismonster-albums-aem-dryflow-21-203bf-picture60669-comparison-shot-two.jpg

One of each installed:
nismonster-albums-aem-dryflow-21-203bf-picture60674-comparison-shot-two-filters-you-can-see-how-.jpg

both dry flows installed:
nismonster-albums-aem-dryflow-21-203bf-picture60673-they-seem-fit-fine-without-support-bar-way-b.jpg

Here you can see it coming in contact with the support bar:
nismonster-albums-aem-dryflow-21-203bf-picture60671-you-can-see-little-here-support-bar-will-not.jpg
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Old 01-30-2013, 06:18 PM   #20 (permalink)
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Thanks for the pic Nismonster. Ya the dry flows seem like a bust. Off the bat they are not the right size. The rep that stated they where that told Cmike2780 was incorrect. What needs to happen if somebody wants to replace the filters in measure the dimensions and have them custom made by Aem with dry flow element.
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Old 01-30-2013, 07:18 PM   #21 (permalink)
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Awww man! wtf Stillen! I have these sitting in the garage and have been waiting for a warm weekend.

Will it fit if I trim that brace thing a bit? or is it a total bust? It looks like it almost fits if I trim the area where the bottom of the filter touches the brace. That brace clips some of the bumper and I wouldn't want to leave it off either.

dammit!
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Old 01-31-2013, 04:01 PM   #22 (permalink)
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Quote:
Originally Posted by Cmike2780 View Post
Awww man! wtf Stillen! I have these sitting in the garage and have been waiting for a warm weekend.

Will it fit if I trim that brace thing a bit? or is it a total bust? It looks like it almost fits if I trim the area where the bottom of the filter touches the brace. That brace clips some of the bumper and I wouldn't want to leave it off either.

dammit!
Haha, yeah I really wanted it on as well. Honestly, i think if you did push hard enough to get the bar back on (probably over 1" of compression) the filter could potentially break since you would be kind of oval-ing out the bottom, if that makes sense. I wouldn't want to leave a squished up filter on there for 6 months anyways.

I honestly do not believe you could get the support back on with these particular dry flow filters....it is possible maybe if you could somehow raise/cut out the middle of the support on both sides, but not sure.

I think AEM has a plethora of different dry flow filters, and as was mentioned before the best bet may be to contact AEM directly and try for another filter that matches the stock G3 k&n's a little more accurately....

I actually called Stillen and talked to a rep about switching to these dry flows, and this is the exact filter he recommended (i could have bought directly from them, but not nearly as cheap as amazon). Not sure why they are recommending that to customers if it doesn't fit properly, but maybe they removed the support on their test vehicle.
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Old 01-31-2013, 06:51 PM   #23 (permalink)
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Yeah...that blows. Kyle Millen was the one that recommended that part number to me. Guess I'll try to sell these.
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Old 05-02-2013, 07:44 PM   #24 (permalink)
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This filter looks like it might fit.

http://www.aemintakes.com/store/prod...od=21-203BF-OS
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Old 08-30-2013, 09:24 AM   #25 (permalink)
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It fits!!
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Old 08-30-2013, 09:48 AM   #26 (permalink)
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Originally Posted by bumblez View Post
It fits!!
I have a couple of slightly used filters just like these.. the AEM Dry flow units...

Anyone wants them, shoot me a PM...
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Old 08-30-2013, 10:26 AM   #27 (permalink)
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Originally Posted by bumblez View Post
It fits!!
Wait, wut? Are those the 21-203bf filters? Did you have to trim anything?
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Old 08-30-2013, 05:47 PM   #28 (permalink)
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Its 21-203bf os. Dont need to trim at all I think it fits better than k&n tho
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Old 08-30-2013, 09:10 PM   #29 (permalink)
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Good to know the filter i thought would fit did fit. Thanks!
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Old 08-30-2013, 09:23 PM   #30 (permalink)
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The green filters also fit. They use them on those titanium gen III looking intakes
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