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Old 12-01-2011, 01:56 AM   #1
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AEM Brute Force Air Cleaner?

I bought my TJ back in Feb. and it came with the AEM Brute Force cold air intake. I've done a search and came up blank on where to get a replacement filter. Where are these available?

Or would it be best to go back to stock. Most of the threads I've read here say it's not worth it to have the system. I just want to do what's right.

It seems that if engineers designed it the stock way, it should stay that way.

Thanks!

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Old 12-01-2011, 04:32 AM   #2
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Has nothin to do with engineering they just gotta follow stupid safety protocol lol. But go to four wheel parts or some offroad establishment in your area. They should have a replacement also try autozone or orileys. Hope I helped any. Don't go bak stock!! That brute force is pretty good.

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Old 12-01-2011, 04:33 AM   #3
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Go back to stock.
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Old 12-01-2011, 08:33 AM   #4
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Quote:
Originally Posted by Dreamscape View Post
It seems that if engineers designed it the stock way, it should stay that way.
In fact, here's the Jeep Engineers on the subject: 09/09 Q/A Session - Jeep Wrangler and Wrangler Unlimited - Page 3 - JeepForum.com

Here's 18 dyno pulls that show pretty definitively these CAI's do nothing on a TJ.
Jeep Wrangler 18 dyno pulls for CAI testing - Trick Tuners Forums
He saw absolutely no statistically significant difference between the runs. And to actually show how easy it is to skew a dyno, he saw a near 10 hp increase just by changing tire pressure.

Give this a read: FAQ - Cold Air Intake - JeepForum.com

Quote:
Originally Posted by Tmstar05 View Post
That brute force is pretty good.
yea, it's pretty good all right. Pretty good at providing HOTTER intake temps than stock, causing an annoying drone and whistle, letting lots of dust past the filter element and taking money out of your pocket.
Here's my experience: AEM Intake observations - JeepForum.com
I went back to stock and the engine runs far better, I'm happier, and best of all the gas mileage IMPROVED.

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Originally Posted by Atthehop View Post
Go back to stock.
x2 on this.
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Old 12-01-2011, 09:43 AM   #5
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its supposed to be a life time filter.mine came with a dry flow filter cleaning solution.
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Old 12-01-2011, 10:38 AM   #6
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They Dyno pull results:

Summary




The cowl intake shows a gain of 8.4 HP and 8.22 ft. lb. Torque over stock. Not much, but definitely an improvement. I'd like to see a runs with a better flowing exhaust.

The big question (for me, anyway), is does the new intake filter as well as the stocker? That would be the real dealbreaker for me. Sure, I wouldn't mind picking up a few HP here and there, but not at the expense of my engine. I want that sucker to run forever
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Old 12-01-2011, 11:46 AM   #7
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Unless you broke or bent the filter in someway its meant to be cleaned and oil free. If you really need a new one you can search the part number on the AEM site for the proper product code for the replacement filter. Then you can use google shopping or something to find online vendors for the filter. Also keep the AEM it make a difference small or not.
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Old 12-01-2011, 11:46 AM   #8
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Originally Posted by s14sh3r View Post
The cowl intake shows a gain of 8.4 HP and 8.22 ft. lb. Torque over stock. Not much, but definitely an improvement.
You're comparing the wrong numbers.

He pumped the tires up to 50psi and saw a 7 hp and 4 ft-lb jump from stock.

He kept the tires pumped up and tested the cowl intake, seeing a 2 hp and 4 ft-lb increase.

The standard deviation of the cowl intake run was 5.5 hp and 5.75 ft-lbs, so the cowl intake is well within the standard devation of the tires pumped up baseline. Meaning there is NO improvement seen!
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Old 12-01-2011, 11:50 AM   #9
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Originally Posted by UnlimitedLJ04 View Post
You're comparing the wrong numbers.

He pumped the tires up to 50psi and saw a 7 hp and 4 ft-lb jump from stock.

He kept the tires pumped up and tested the cowl intake, seeing a 2 hp and 4 ft-lb increase.

The standard deviation of the cowl intake run was 5.5 hp and 5.75 ft-lbs, so the cowl intake is well within the standard devation of the tires pumped up baseline. Meaning there is NO improvement seen!
Aha, got ya.
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Old 12-02-2011, 12:15 AM   #10
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I think I"ll just clean it for now while I scrounge up the stock parts. It's not bent, just needs a good cleaning. I read that you have/should buy their filter cleaner. Is there anything else I can use? I'm just not happy that's it's made by K&N. Not fond of their products at all. A friend of mine used their air cleaner on a DD8V71N and it got dusted. Only cost him 20g's.
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Old 12-02-2011, 08:26 AM   #11
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It is made to be cleaned and reused, however if you feel that it needs replaced you can get one from Summit Racing, or if your near Virginia you could pick one up at Troyer Performance in Covington, check eithers websites.
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Old 12-02-2011, 08:40 PM   #12
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I had the AEM cold air intake system,I can tell you the stock system has more lowend torque.
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Old 12-03-2011, 05:49 AM   #13
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Spectre Performance makes parts for building your own custom intake... If you are just looking for a compatible filter, you might check there.
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Old 12-03-2011, 07:30 AM   #14
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Quote:
Originally Posted by Dreamscape View Post
I bought my TJ back in Feb. and it came with the AEM Brute Force cold air intake. I've done a search and came up blank on where to get a replacement filter. Where are these available?

Or would it be best to go back to stock. Most of the threads I've read here say it's not worth it to have the system. I just want to do what's right.

It seems that if engineers designed it the stock way, it should stay that way.

Thanks!
I have the same exact one on my 97 TJ. Came with it, but my filter was the oil-type, before they went with the oil-free. I bought a K&N filter charger kit and cleaned and re-oiled it the last month. As long as the filter body's integrity is not compromised (tears, bent, etc), there should be no reason to change it. Just determine which type filter you have.

They say the oil-type is better out of the two, as you trap more dirt. I have to admit (despite all the negatives I have read on this), when I removed my filter to clean it, the intake tube was amazingly clean. I ran an undersized white terrycloth-feathery something or other device on a flexible wand so that I can insert it without really touching the sidewall of the intake tube, then pressed it agasint the inside of the tube as I was removing it. I could not find a spec of ANYTHING.

If I come across a nice OEM set-up on ebay, I'll probably switch back, as I like my motors bone-stock.

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