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Old 05-07-2007, 11:20 PM   #1
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Question Air Intake Kits

I am a newbie and I need some advice from all you with more wisdom than I do. I just bought a 2004 jeep wrangler X a couple days ago and the first thing I want to do is install a cold air intake. I was wondering what advice people had on brands. I doubt there is a great deal of difference between brands but any and all advice will help. Thank you

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Old 05-08-2007, 12:08 AM   #2
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If you must buy one, I would look at AEM's BruteForce. They use a "Dry Filter" unlike K&N.

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Old 05-08-2007, 12:18 AM   #3
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DON'T GET K&N!!! Some difference with an intake system but i wouldnt pay the 200-300 store prices. I've seen people just stick a filter on top of the throttle body lol Pics of my custom intake on my car domain page 2
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Old 05-08-2007, 08:45 AM   #4
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Get a Safari Snorkel that is a "True" cold air intake.
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Old 05-08-2007, 09:31 AM   #5
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Quote:
Originally Posted by Mike001 View Post
Get a Safari Snorkel that is a "True" cold air intake.
x2. look at your intake tube, its already straight. if you really want to spend money on one, get a snorkel. will help on the highway, and you wont suck up water in a mud hole.
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Old 05-08-2007, 01:16 PM   #6
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tripple88a:

that custom intake looks awesome man!! so it seems like the general advice from everyone is don't get a regular intake like AEM or K&N. the stock intake is fine but if you really want an intake get a snorkel? is that what everyone is saying? I won't get a snorkel as the first mod to my new jeep. It might look funny rolling around fully stock except for a snorkel! hahaha.
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Old 05-08-2007, 01:30 PM   #7
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I personally don't like snorkles and wouldn't install one unless my TJ actually ran through deep-enough water that it'd be required. No one is ever going to convince me that that long-*** route the air has to take through a snorkle is better than the short excellent breathing factory air intake tube. And while cold air vs. hot air performance does have sound science behind it to back it up, I personally don't believe it makes significant difference on a Jeep except perhaps at high RPMs and wide-open-throttle. In view of all that plus how crappy of an air filter a K&N is, I personally don't believe we can improve upon the TJ's OE air filter box stuffed with a good quality paper element air filter like from AC-Delco or similar quality. I wish I could go back to that stock air box but my on-board air compressor takes up much of that space. At least I dumped my crappy K&N many years ago and installed a much better filtering True Flow air filter.
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Old 05-08-2007, 02:47 PM   #8
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If you ever go through mud or water look at you engine and hood and tell me how an open air filter would be good. I get stuff on my filter sometimes I couldn't imagine how nasty an open one would be suckin all that $hit through the intake won't be good.
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Old 05-08-2007, 10:39 PM   #9
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Thanks Binski i'm glad you like it.

If you have the $ for snorkel i'd get one.. those ram snorkels look nice and actually help because they bring cooler air from the outside and ram it in there. I know half of you are thinking such a small psi isnt even going to make a difference but its better than the engine using its vacume to do the job instead. If i have ~+400$ to waste i'd get one but currently i really dont go diving so i'm going to stay with my short ram.

I'm still confused what do you do in rain though?
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Old 05-08-2007, 10:54 PM   #10
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Found this on jeepforums.com...

http://www.jeepforum.com/forum/showt...hummer+snorkel

All you need!
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Old 05-09-2007, 02:54 AM   #11
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I ran across this ad on ebay. I have no idea if it's any good or would even work. What do ya'll think? It's an electric powered 500 cfm motor with Cold Air Intake.

http://cgi.ebay.com/ebaymotors/Super...QQcmdZViewItem
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Old 05-09-2007, 03:53 AM   #12
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just put a k&n replacement filter in the stock air box and remove the air horn on the side of the air box
and save the rest of the money for other upgrades
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Old 05-09-2007, 09:11 AM   #13
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Quote:
Originally Posted by offroadpatrol View Post
I ran across this ad on ebay. I have no idea if it's any good or would even work. What do ya'll think? It's an electric powered 500 cfm motor with Cold Air Intake.

http://cgi.ebay.com/ebaymotors/Super...QQcmdZViewItem
DONT EVEN THINK ABOUT IT. I bought one when i got my first car.. it said 3psi which seemed small but still should give some boost. I installed it on 3 cars.. maybe 4 and they all had idle issues. It made no difference in performance. If you install it, it would choke the engine badly when not on. Waste of money. Get a intake and exhaust or at least one.. at least you will see minor difference compared to worsen!!! It's currently sitting in my closet collecting dust.
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Old 05-09-2007, 12:03 PM   #14
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just put a k&n replacement filter in the stock air box and remove the air horn on the side of the air box
and save the rest of the money for other upgrades
For the dusty desert wheeling conditions you and I both wheel in, that K&N is one of the very worst air filters you could possibly run.

There is an ISO test of air filters at http://www.duramax-diesel.com/spicer/index.htm and the K&N's results were very bad as you will see from what they said quoted below as well as the chart...

"In the chart (below) it’s important to note the different test durations for each filter. The AC Delco filter test ran for 60 minutes before exceeding the restriction limit while the AMSOIL and K&N tests each ran for 20 and 24 minutes respectively before reaching max restriction. In 60 minutes the AC Filter accumulated 574gms of dirt and passed only 0.4gms. After only 24 minutes the K&N had accumulated 221gms of dirt but passed 7.0gms. Compared to the AC, the K&N “plugged up” nearly 3 times faster, passed 18 times more dirt and captured 37% less dirt. See the data tables for a complete summary of these comparisons. " (end of quote)

When I used to run a K&N air filter, I started noticing the inside of my air intake tube developed a coating of dirt. Realizing dirt was making it past the K&N into my engine, I then added an Outerwears pre-filter on top of the K&N to cut down on the crap making it through the K&N but the Outerwears didn't fit well enough so it let dirt/dust in around the side. I ended up installing a foam Unifilter on top of the Outerwears to hold the Outerwears in place so it could do its job. You can see that double-layer on top of the K&N that finally got the filtering back to a more reasonable level requireing TWO prefilters over the K&N. I wish I could just go back to the factory air filter box and a paper element air filter but my OBA system has taken up that space.
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Old 05-09-2007, 12:20 PM   #15
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Here is the K&N air filter test chart I referred to above...

If a mod could move this chart into my above post where it used to be before the edit time ran out and then delete this extra post, that would be appreciated.
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Old 05-09-2007, 04:26 PM   #16
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thats right I wouldnt run a k&n with out a pre filter
that poof dirt we have out here goes right through the k&n but it helps to put the pre filter on
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Old 05-10-2007, 01:17 AM   #17
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snorkels

ok I know that there is some controversy over which air intake/snorkel in the this thread and not to seal anyones thunder but...If I was looking to put a snorkel on my rig what brand would you recommend and what does this involve? sealing engine parts, difficulty, etc...
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Old 05-10-2007, 09:32 AM   #18
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^ snorkel involves cutting a hole in the side of the body.. right behind the right tire well just bellow the "wrangler" sign. Keep in mind most sell the snorkel and the intake separate so the intake is ~250 + the snorkel another 400... I saw your other thread asking if you install a 4.0 body on a 2.5 do you still buy the 2.5 version of the intake.. yes you do so dont buy the 4.0 version of the intake system. Altough you have bigger Inside diameter (4.0) throttle body, the outside is still the same.

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