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The AEV snorkel. Thoughts?

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aev jk snorkel
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13K views 80 replies 21 participants last post by  Blickquickly  
#1 ·
Looking at picking this up. Anything i should be wary of?
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#2 ·
I love mine. It's held up great to tree branches and sun beating on it over the last few years. Only thing I would make a note of IMHO if you do any snow driving turn the ram intake head "backwards". I drove into a snow storm and the ram started to plug up with snowpack. I only noticed because I could feel a drop in throttle response. I switched it out to the pre filter "skyklone" and it fixed that issue. The pre filter makes a notable difference in reducing dust on the air filter.
 
#3 ·
Ditto. That ad is misleading. That picture is the 4" intake that designed for the hemi applications based on the logo stamped on the outside at the fender. The 4" works with the newer airbox style in the 3.6 motor. The copy in the ad is for the original AEV 3" intake. It will not "plug and play with the newer airbox style but can be made to work which is what I did. Reach out to QTec to find out which snorkel they are actually selling. And ditto on the prefilter. Here is the contents of a single days drive in a terrible spring dust storm here in West Texas. Prefilter kept all of that from entering the airbox and filling my K&N.

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#11 ·
Here is the contents of a single days drive in a terrible spring dust storm here in West Texas. Prefilter kept all of that from entering the airbox and filling my K&N.
I’ve been driving all types of vehicles for a long time and we also have wicked dust storms in Southern Arizona and I’ve never seen anything like that in and air box or air filter. I would offer the hypothesis that the snorkel itself being located in the open air is why so much dirt was collected in the first place.
 
#6 ·
There is no guarantee on any arrivals/deliveries from anywhere these days if something is not in stock when you order. this is due to transportation issues all over the world.
Personally, I think there are much better accessories on which to spend one's money than a snorkel, but that's the beauty of Jeep mods, to each their own. Hopefully, you can get what you want and by when you want.
 
#7 ·
Wouldn't work with my Overline fenders.
 
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#9 ·
Recently installed one on mine after I got tired of clogging my air filter while following other rigs on dusty trails. Also wanted the benefit of drawing cooler air from outside vs engine bay. I tend to avoid mud or water whenever I can, but I suppose the extra protection from hydrolock is also nice.

I got it with the SyKlone pre-cleaner. Overall, like it the functionality. I go back and forth on the looks though. No change in wind noise even on the highway. Cutting the hood and making sure everything lines up can be tedious depending on your level of OCD. No biggie on the install. Just take your time.

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#15 ·
they work great for really dusty conditions. we go to Moab a lot and my buddy has an AEV snorkel and everybody else has filters that need to be changed and he does not. I personally don't care for the look but for fast or slow running in dusty conditions they work.
 
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#13 ·
OP: you asked about things to be wary of.

You need to cut a hole in your hood, which is an irreversible modification. Be sure you want to do it. If you do, take your time with the cut and be sure to paint the cut metal surfaces to prevent rust.

The snorkel may not fit with some aftermarket fenders. I have MCEs. The snorkel sits tight with them, but it does fit. I assume it will fit with stock fenders.

The snorkel might interfere with some aftermarket mirrors/mirror mounts on the A pillar (which you might have to run doorless). I had to fabricate a new mount for the passenger side mirror to make mine work.

The stock scoop type fitting on the snorkel may pull in debris, rain, snow, etc. I replaced that with a Syklone cap. If it’s a concern, you can rotate the scoop so it’s rear facing.
 
#14 ·
I thought only the cool kids driving FJ's ran one :)
Kidding asides, if you're into deep water crossings it'll be beneficial for you to relocate your intake tract that way. Also remember to relocate your breathers to a higher location.
 
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#29 ·
And regardless of of what you may have they all either measure air density directly or calculate it. But the basic physics of how a gasoline engine works has not changed. It's just now it is much more accurate and we don't have to rejet carburetors and reduce timing manually.
 
#30 ·
Damn, some dude just wants to know if AEV makes a good snorkel and dudes rolling into this thread like…
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#33 ·
The AEV may not be the best looking snorkel for a JK but it is the best one. When properly installed it is the only snorkel that has the ability to be sealed so well that putting a plastic bag over the end of the snorkel will actually stall a running engine.


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#34 ·
DIdn't mean to derail the thread I was just pointing out there are potential performance gains to be had with a snorkel that we don't see with any other type of CAI as it is the only CAI that has a chance of pulling in ambient temperature which can provide a performance boost. In addition to that there are pre-filters that do help with dust and lets not forget water fording capability.

For those of you have followed along with the technical aspect of the discussion, our Jeeps have an IAT (Intake Air Temperature) sensor and a MAP (Manifold Absolute Pressure) sensor.

And to the OP, yes AEV makes good gear. But as has already been pointed out it might interfere with a flat fender setup.
 
#35 ·
If it helps. I ran the AEV snorkel with Bushwacker flat fenders. I also ran a prefilter on it. Not the fancy AEV prefilter but a glass bowl tractor prefilter. Worked like a charm for all those dusty trail rides.

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#38 ·
To the guy explaining the air is colder using a snorkel:
Serous question. Doesn’t the snorkel tube run into the engine bay to the front of the engine. The air certainly can’t stay as cold as it came in running through the engine bay, can it?
This snorkel setup, the air is only as cold as the warmest spot and I would think that is not where it’s coming in.
I’m no engineer, just thinking out loud. Maybe it travels so fast it doesn’t matter but it should still be slightly warmer once it hits the engine then where it came in by the windshield.
 
#45 ·
Yes the tube can get warm and raise the temp of the incoming air flow, how much is debatable. Luckily plastic is a okay insulator as say compared to aluminium tube. And some people will go to extremes wrapping them in heat tape or appling a ceramic coating. But if I am taking 60 degree air from the outside as compared to 150 degree air from under the hood there is going to be a performance difference. Remember also that the incoming air is cooling the tube. As far as how fast the air moves to many variables to calculate but it move pretty fast, measured in feet per sec.
 
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#40 · (Edited)
Terry I edited my post. The article you posted says Jeeps don’t have a MAF.
The scanner I used recommended cleaning one so I’m not sure if it’s misinformed Google search on the fix for that code
Even the article starts by saying those codes point to a MAF then later says they don’t have one but some other very similar sensor.
At a first glance I could see how the Google search fix is to clean a MAF
 
#41 ·
In the article look under:

Where to Find Your MAF Sensor on a Jeep Wrangler
 
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#48 ·
With the AEV snorkel most of the intake is outside the vehicle in ambient air. I know from monitoring the AAT and the IAT, on A regular basis, the AIT only shows an increase of a couple of degrees at best, which is no where near the engine bay temp. Likely the speed of which the cool outside air goes through the tube the under hood portion of the intake has very little warming effect.


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#49 ·
This has been debated forever with Audis and is well documented in an extensive 1/4 mile strip time database. There really isn’t any evidence that shows that a CAI is a significant contributor compared to other modifications. Nothing against a snorkel I just wouldn’t buy one under the assumption it’s a magic bullet for performance.
 
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#50 ·
Never a magic bullet especially when compared to other mods. And most of the time a tune would accompany the CAI because the vehicle can breath better. Jeep actually did a real good job with the intake. And the gains you could get running a snorkel are going to be situational based on outside temps and what you are doing. A 10-20 degree temp increase like when running down the highway, there won't really be any improvement. Crawl on a 60 degree day with iat's in the 150's there are major gains. Of course there is no substitute for gears or a bigger motor and if you are looking for power improvements I would look at a snorkel as the last option unless you like the looks or you need it for water and the like.
 
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#58 ·
There's a lot of misinformation in this thread! As it's been said, JK's do NOT have a MAF (mass air flow sensor). They use a MAP (manifold absolute pressure) sensor combined with the IAT (intake air temp sensor) to obtain the air density to determine the best air/fuel ratio. Snorkels while often used for deep water crossing are best used for "cooler" and cleaner air for the intake, especially when used with a precleaner. Notice I don't say cold, for snorkels are not a cold air intake. Truly though, 99% of "cold air intakes" are not either if we're going to get technical. It's more about keeping the average IAT cooler for as long as possible to avoid the sensors and intake from heat soaking which will cause power losses. Snorkels especially the AEV do keep IAT's lower than without. The factory location of pulling air from the upper right side of the hood just so happens to be in the airpath of the radiator fan airflow so it often pulls in 200+ temp air from that. Moving the main intake inlet outside of the hood is greatly beneficial.