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Old 05-17-2013, 08:29 PM   #1
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air filters stock !!!

So today i was looking at my air filter and i did notice that i have a paper/foam filter. (stock 06 4.0l) and i was searching all day long in my mopar dealer ship autozone and much more and i couldn't find the same filter i bought a fram filter that has paper/ and some sort of cotton or something like that. air filter part number was CA8205

also i was wandering a few things
1.- I KNOW CAI DO WORK but they sacrifice protection to the engine by that i mean mud/water/ dust. but there is any filter that will fit on the stock airbox to gain more protection or mpg or hp.
i did saw this product in youtube what you think about it can it be true?
has anybody run this air filter?


2.- does the trumpet restrict air flow?
i think its small but will it restrict air flow? any mod to make the tube bigger or wider?

3.- can i remove the old foam and stick it to the new air filter just to make more protection? (of course clean it) or it will restrict air flow?

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Old 05-17-2013, 09:07 PM   #2
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The trumpet does not restrict any air flow. You will only see power increase with a CAI in a jeep at near redline RPM's and Wide open throttle. Dyno proven. Amsoil EA air filters are great filters and they probably make a size for the stock box

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Old 05-18-2013, 08:27 AM   #3
Knows a couple things...

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Trueflow was out of business the last I heard, I ran one temporarily years ago in my previous TJ when I couldn't run the stock air box due to my York air compressor being in the way.

The very best paper element air filter, which is the only type I will run, in tests I have seen always seems to consistently be from AC-Delco... which is also what I run. Personally, I'd run AC-Delco, Wix, Fram, Purolator, etc. paper element air filters and not worry about all the gimmick air filters & air intake systems out there.
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Old 05-18-2013, 08:37 AM   #4
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I should have taken some pics, but I put a Fram in my TJ a year and a half ago. A couple weeks ago I replaced it with a Wix (I'm a long time Wix fan, they're all I install on customers' vehicles) and the Wix has probably 1/3 more pleats than the Fram (more surface area) and has a slightly thicker sealing edge around the perimeter. It's just all around a better quality filter than the Fram. Yes, the Wix is more expensive, from my local family owned parts store, than the Fram from Autozone, but..........
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