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Old 03-13-2014, 03:21 PM   #1
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cold air intake

Just bought brand new wrangler unlimited. What is the best CAI for it? Or what ones to stay away from? Thanks

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Old 03-13-2014, 03:30 PM   #2
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what ones to stay away from? Thanks
All of them!

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Old 03-13-2014, 03:50 PM   #3
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Is +2-3 HP really worth the risk of increasing the possibility of hydrolocking your engine? If you don't off road but want a little more power then why did you buy a brick on wheels in the first place? If you doing any type if mod to your intake it better be a damn snorkel haha.
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Old 03-13-2014, 04:01 PM   #4
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Jeez...why jump all over the new guy? He asked a simple question. Just explain to him that cold air intakes are generally thought to be a waste of money. About the only thing they do is make your Jeep sound mean when you floor it. That's the only reason a lot of people switch mufflers too.
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Old 03-13-2014, 04:01 PM   #5
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Old 03-13-2014, 04:15 PM   #6
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I don't consider that "jumping all over the new guy". He did shake the hornets nest right off the bat however.

Why are you looking to install a new air intake? I won't call it a CAI because that would be a false statement. I can think of hundreds of better mods for $300.
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Old 03-13-2014, 04:17 PM   #7
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Its the same as posting in a civic forum about putting on a snorkel to drive in water. Your just asking for people to make a comment on how and why you shouldn't do it.
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Old 03-13-2014, 04:18 PM   #8
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I have the banks I like it. Have heard good things about the volant, and the airaid uses the same intake nozzle as the stock intake so the risk of hydrolocking with it is the same as stock. For that matter my banks is only about 3 inches more open than the stock top is anyhow. And if u think the stock intake is sealed all the way up to the top of it sorry haha.
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Old 03-13-2014, 04:19 PM   #9
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Search for a thread called banks dyno day for more info on the banks intake.
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Old 03-13-2014, 04:27 PM   #10
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The banks intake looks like a normal aftermarket car intake with a glorified heat shield. I also agree that the stock intake probably isn't the best at keeping water out but hell of a lot better then a intake that has more surface area pulling more air then normal.
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Old 03-13-2014, 04:33 PM   #11
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I did the AFE intake on my jeep and I can tell the difference. I put on 35's with a lift and the jeep feels more powerful now. So I would recommend one. Its one of the million great mods you can do to a jeep.
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Old 03-13-2014, 04:52 PM   #12
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The butt dyno never fails. If it costs $300 it HAS to be good. It's amazing that manufacturers are so foolish not to have thought of this.
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Old 03-13-2014, 04:57 PM   #13
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I also tracked the same trip after topping off with the same pump with and without the intake and exhaust and got 1.7 mpg better with them. So if nothing else I figure those 300 bucks will pay for themselves in due time
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Old 03-13-2014, 04:59 PM   #14
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The butt dyno never fails. If it costs $300 it HAS to be good. It's amazing that manufacturers are so foolish not to have thought of this.
Heh I was tempted to say the same but don't want to step on any toes. Though most of the time you can open a lot of power in a 6 cylinder by letting it breath more (intake/exhaust) but that that's also with a nice tune. Unless $300 is worth a 1% increase in power that you might not even feel that go for it (though I suppose most are looking for that roar when you get past 3k rpm but then again who is going past 3k rpm in a jeep on the road).
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Old 03-13-2014, 05:07 PM   #15
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Just bought brand new wrangler unlimited. What is the best CAI for it? Or what ones to stay away from? Thanks
to the Forum..

This is one of these topics, that the experienced wrangler owner understands, that you are better off to stick with the original designed induction system (CFM Flow, and micron filtration are what is needed for longevity, and MPG), and that is already in your factory installed system..........

There are some out there, that are gullible to marketing ploys, and will buy just about anything!

So don't be gullible, and save your money for some useful MODS......
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Old 03-13-2014, 05:11 PM   #16
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CAI on a JK? Yikes!

If you want to do it, it is your cash. Just understand it will be mostly for the sound. By itself, a CAI on a JK does very little good. You might gain 1 or 2 HP at the rear wheels at +4000 rpms.
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Old 03-13-2014, 05:12 PM   #17
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save your money for some useful MODS......

Well you can't say it's 100% unless it's just not going to give you any off road benefits and increase another point of failure for you engine if driving in water. For all we know he wants to drag his JK or would like everyone to hear how his JK's engine sounds.
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Old 03-13-2014, 05:12 PM   #18
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I did the AFE intake on my jeep and I can tell the difference. I put on 35's with a lift and the jeep feels more powerful now. So I would recommend one. Its one of the million great mods you can do to a jeep.
This is an oxymoron...

post disclaimer: Not calling you a moron and no hostility intended.



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Old 03-13-2014, 05:18 PM   #19
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This is an oxymoron...

post disclaimer: Not calling you a moron and no hostility intended.



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Well maybe more powerful to him means he can now crawl over bigger rocks haha.
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Old 03-13-2014, 06:21 PM   #20
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Welcome to the forum!!

Since you are new I will offer some advice, do what YOU want to do to your Jeep!! Do a little searching for things like a CAI before asking because people on here will bust your balls about things like that! There is a thread out there of testing done on the Banks and the AFE systems.
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Old 03-13-2014, 06:34 PM   #21
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The butt dyno never fails. If it costs $300 it HAS to be good. It's amazing that manufacturers are so foolish not to have thought of this.
This.

Somehow every armchair auto engineer has found a way for a couple hundred bucks to boost hp and fuel economy at the same time.

Yeah the car manufacturers would never jump on something like that.
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Old 03-13-2014, 11:57 PM   #22
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Just bought brand new wrangler unlimited. What is the best CAI for it? Or what ones to stay away from? Thanks
Read this thread first before you spend too much time looking for a CAI.

Brand new JK & Cold air intake?
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Old 03-14-2014, 03:18 AM   #23
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They are all a big waste of money. Yes they look cool although they are really not CAI since they are pulling air from under the hood where is hot as hell. They all claim HP gains-total bullshit. Save your money and do exhaust with headers and you will pick up power gains.
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Old 03-14-2014, 06:54 AM   #24
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. Save your money and do exhaust with headers and you will pick up power gains.
That's not possible with the 3.6.
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Old 03-15-2014, 04:30 AM   #25
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That's not possible with the 3.6.
Thanks for the correction brother. Just got back into jeeps after many years didn't realize there is no exhaust manifold anymore ( no headers).
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Old 03-15-2014, 07:03 AM   #26
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Wow thanks to most of you. Didn't realize so many smart asses drive jeeps. You call me stupid then you drive a 40000 vehicle through a river?
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Old 03-15-2014, 09:06 AM   #27
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I don't see where anyone called you stupid. You asked for an opinion on a very polarizing subject.
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Old 03-15-2014, 09:22 AM   #28
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Wow thanks to most of you. Didn't realize so many smart asses drive jeeps. You call me stupid then you drive a 40000 vehicle through a river?
To be fair... Isn't that the reason most of us bought our jeeps? To drive it through a river?

No one called you stupid. We're just trying to help you make an informed decision. It's your jeep, do what you want to it. We've just stated the facts.

CAIs MAY give you a hp gain at 4000+ rpms. But anything below that you'll most likely lose hp as the longer tubing is constantly heated by the engine. Especially if you buy the cheaper plastic ones. (And I rarely break 4000 rpms when I drive)

Anyone with a CAI that claims they had mileage gains probably just drove more conservatively or topped their tank off a little more. 1.7 mpg is barely measurable. Especially when all gas pumps top your tank off to a different level.

You also run the risk of inside damage to the engine. The CAI doesn't filter as fine as the stock. (It's built for increased air flow). So if you go on a dirt road or sandy beach you may be looking at some serious future problems.

If you're looking for the sound or the looks when you open your hood, go for it.
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Old 03-15-2014, 09:40 AM   #29
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To be fair... Isn't that the reason most of us bought our jeeps? To drive it through a river?

No one called you stupid. We're just trying to help you make an informed decision. It's your jeep, do what you want to it. We've just stated the facts.

CAIs MAY give you a hp gain at 4000+ rpms. But anything below that you'll most likely lose hp as the longer tubing is constantly heated by the engine. Especially if you buy the cheaper plastic ones. (And I rarely break 4000 rpms when I drive)

Anyone with a CAI that claims they had mileage gains probably just drove more conservatively or topped their tank off a little more. 1.7 mpg is barely measurable. Especially when all gas pumps top your tank off to a different level.

You also run the risk of inside damage to the engine. The CAI doesn't filter as fine as the stock. (It's built for increased air flow). So if you go on a dirt road or sandy beach you may be looking at some serious future problems.

If you're looking for the sound or the looks when you open your hood, go for it.
Facts need evidence you have provided none.
I specifically said that I used the same pump and drove the same trip (one that I drive a lot) when I noticed the 1.7 mpg. I used the same pump so it would top off the same.

Generally speaking cai increase flow by increased surface area not by enlarging the holes in the filter.

There is a downfall of them and that is they are left open under the hood I'm pretty sure that anybody who is looking at adding a CAI is aware of this issue.

How many different CAI have u tried and tested for increase in mpgs? So far I have tried the banks and I am just trying to help the op with his or her original question. Which was which CAI is the best not weather he or she wants one or not. That is there decision.
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Old 03-15-2014, 09:55 AM   #30
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Facts need evidence you have provided none. I specifically said that I used the same pump and drove the same trip (one that I drive a lot) when I noticed the 1.7 mpg. I used the same pump so it would top off the same. Generally speaking cai increase flow by increased surface area not by enlarging the holes in the filter. There is a downfall of them and that is they are left open under the hood I'm pretty sure that anybody who is looking at adding a CAI is aware of this issue. How many different CAI have u tried and tested for increase in mpgs? So far I have tried the banks and I am just trying to help the op with his or her original question. Which was which CAI is the best not weather he or she wants one or not. That is there decision.
How could it have been the same because you used the same pump. I was just stating there are so many factors that it's impossible to measure that way. The fuel could've been a different blend, you could've put the pump in a different depth, you could've driven at a different average speed, maybe your oil wasn't broken in yet, maybe you had just rotated your tires, maybe you drove down rougher streets, maybe you made more turns, maybe you idled longer, or didn't drive as straight. I'm just trying to state that it is so hard to measure mpg. And let's think about this, you can make the filter as big as you want, all the air is still going through the same throttle body... It's like pouring water through a giant funnel. It's still going to get through at the same rate.
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That is one of the better replies I've seen on these threads. --------------------------------------------------------------------- For those that want to add a CAI on a JK, just understand that it is for sound and looks. 1. CAI's work best pulling cool air from down low and/or from the fender….at high speeds. That set-up won't work so well on a 2 ton brick of a vehicle made to slowly travel dusty trails and forge 30 inches of water stock. That is why the stock box/intake sits up high. It is also already as far in the front corner of the vehicle as possible.....so unless you want to cut some holes in your hood and start doing short ram...it is already in the best location. This isn't you daddy's carbs sitting directly on top of the engine sucking in hot air trapped by gigantic steel hood. 2. Yes, a good CAI can pull in more air at higher speeds. Of course the question on filtering still remains, but that is another story. However, without a tune and exhaust (and the 3.6 can still only combust so much fuel and air), the additional intake becomes useless at low speeds (if you are getting any additional air flow at all) as the computer will compensate and adjust your mixture. The stock Wrangler isn't really suffering from restricted air flow at low speeds....so the main benefit of a CAI isn't more air, but colder air.....which leads up to: 3. Something not talked about.....Heat Soak What is it? It is when that shiny metal intake tube is heated up from the engine, and actually warms you cool air going into the engine. Thus turning your cold air intake into a warmed air intake. This can happen at idle and very low speeds....which is where the Wrangler usually plays. You want to avoid heat soak....spring for a carbon fiber or ceramic intake ($$$$).. Oh, and travel at higher speeds/rpms as well. It isn’t that CAI’s don’t work….it is that you need to do the whole process (input, tune, exhaust) and use them in a specific manner (high speed/high RPM) in a properly set up configuration (piped low and/or through the fender), with high quality components (carbon fiber or ceramic with a high flow filter…are you going to rebuild your engine every 10,000 miles?), to get their maximum benefit. It is why they are great for race cars, sports cars, track cars, (basically high performance race vehicles), and mostly for show any other modern vehicle that is desined and used as a daily driver. So if someone wants to spend $400 on just a CAI to gain 1 or 2 HP at the rear wheels at +4000 rpms in a Wrangler….cool…..just understand that you will hear the difference more than you will actually feel it.
When I first bought my jeep I thought I wanted one but did the research and figured my funds would be best spent on other mods.
And my answer is the best CAI is the stock one unless you're dumping in a ton of money for a sealed snorkel system.

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