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Old 12-12-2009, 01:43 PM   #1
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What do you think about Airaid ?

Hey guys I'M thinking about getting the cool air intake for my 2006 4.0 Can you really tell a difference after it's installed? How did it effect your gas milage?

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Old 12-12-2009, 01:55 PM   #2
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It won't affect your gas mileage in the least and at least in my personal opinion, it won't help your performance one bit either. The TJ's factory air intake is not, surprisingly to many people, not restrictive in the least so trying to make it less restrictive won't help.

At least in my personal opinion, those who claim to feel an improvement in performance after installing an Airraid are a victim of the placebo effect.

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Old 12-12-2009, 02:38 PM   #3
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Quote:
Originally Posted by Jerry Bransford View Post
It won't affect your gas mileage in the least and at least in my personal opinion, it won't help your performance one bit either. The TJ's factory air intake is not, surprisingly to many people, not restrictive in the least so trying to make it less restrictive won't help.

At least in my personal opinion, those who claim to feel an improvement in performance after installing an Airraid are a victim of the placebo effect.
Agreed. Like any of those snake oil claims.
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Old 12-12-2009, 02:43 PM   #4
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While the gains aren't significant, I wouldn't say they don't exist. I have a 94 2.5L 5 speed with a dynomax super turbo Cat-back system with a magnaflow direct fit catalytic converter, 225/75/R15's, friend has a 2000 TJ, 2.5L, 5 speed, with 31X10.50's has performance coil, performance wires, performance chip, performance plugs, a cold air intake, and a pacesetter TFX cat-back exhaust system with a magnaflow direct-fit catalytic converter, and he gets those big tires moving faster than mine will get the little tires going. Plus the bigger tires means he gets a few extra MPH per gear, though it's only really significant in 1-3rd gear. And If I'm correct, it has the same gearing as my YJ...and I get walked. Would I advise getting one? Not really. Unless you just want a road jeep that can beat other jeeps in a race...the tiny bit of help isn't really worth it for the money.
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Old 12-12-2009, 02:58 PM   #5
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Engines are nothing more than complex air pumps. If you just want to buy an intake, don't plan on seeing too much of a power gain. If you're introducing more air into your engine without making provisions for more air to exit your engine, you're just beating a dead horse (so to speak.)

If you absolutely HAVE to have more power, here are some options, but they aren't cheap, as you really should do ALL of them to achieve any REAL power addition..........

On the intake side of things:

CAI
TB spacer
ported and polished head
larger injectors
aftermarket throttle body

On the exhaust side of things:

header
low restriction cat (or no cat, depends on where you live.......but going without a catalytic converter doesn't always mean more power.)
low restriction exhaust with mandrel bends

OR............................................


You could just re-gear. It'll probably be cheaper in the long run.

I'm sure there are some other mods that would complement these listed as well.
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Old 12-12-2009, 03:32 PM   #6
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Thanks for the info!!
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Old 12-12-2009, 03:43 PM   #7
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Quote:
Originally Posted by Jerry Bransford View Post
It won't affect your gas mileage in the least and at least in my personal opinion, it won't help your performance one bit either. The TJ's factory air intake is not, surprisingly to many people, not restrictive in the least so trying to make it less restrictive won't help.

At least in my personal opinion, those who claim to feel an improvement in performance after installing an Airraid are a victim of the placebo effect.
Thanks Jerry! always respect your advice!
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Old 12-12-2009, 07:01 PM   #8
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don't do it save your money especially if you offroad and see mud, those filters get hosed with water and mud, stay stock.
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Old 12-13-2009, 09:23 PM   #9
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Got a piece of crap Airaid on my TJ. Just because I like you, I'm willing to trade my Airaid for your stock airbox, straight across......


Don't waste your money on it. Keep the stock air intake system.
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Old 12-14-2009, 08:35 AM   #10
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Compshooter, I will trade!

Here's my experience. On my 4.0, it did not help, I really noticed NO change in perforamance or mpgs and WORST of all I didnt get the cool sound effects of a CAI.

On my 2.5 on the other hand, I did notice a bit better mpg's. Not a drastic difference but certainly a little better. As far as performance its still a 2.5L 4 banger. Not much can be done there although it does feel a little lighter. Meaning I dont have to step into it as much to just keep up with traffic. But once again, not a world of difference!

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