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Thread: Pros and Cons to cold air intakes

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    Default Pros and Cons to cold air intakes

    I've been debating about getting a cold air intake for awhile now but I'm curious as to how well they handle when 4wheeling?

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    Administrator/Jarhead Jeeper USMCHarleyJeepGuy's Avatar
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    They are going to get dirty like any other filter...just don't do any water crossings with one.
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    Junior Member 4x4x4's Avatar
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    Some people like the sound they give. I think my stock box works fine. If you get water up there it will easily suck it in and hydrolock your motor. This is a bad thing.

    Consider this: Does your Jeep really run great, wow, increased the power when it's say 60 degrees in the morning? Well when it's 85-90 outside do you think your Jeep is just going to be making lots more power because it's get the "cold air" from the front grill? That would be 85-90 degree "cold air". Some car engines can benefit from a less restrictive air system. Geting air from outside the hot engine compartment is better than not. Is it worth the tiny difference? Only you can answer this.

    My opinion Jeeps need clean and as cool an air as possible without going drag strip style. We don't need that kind of 1/4 mile hp. Money wasted in this area doesn't give you much on the offroad side. What could you add to your Jeep with say $200-300 that would make it more off-road worthy? Recovery gear, synthetic winch line, rock rails, lights....

    Saving up for a snorkel would give you real outside air without being in danger of sucking water into the engine. You don't have to take it into deep water to have a benefit.

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    Land Squid Jeffb_79's Avatar
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    I had the aem cai in my last jeep. Didn't notice any difference in performance. Not worth the $200-$300 in my opinion.

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    easy jeeper metalcd's Avatar
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    i installed one in my jk before i left on deployment, and about the only difference i noticed is i was able to pull in 1-2 mpg on the highway, also good to note that i also used a hypertech as well. like 4x up top said, buy or build a snorkel and swap the air filter and battery for the least restictive. the other option to cold air is route it into the cab and always run a/c.

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    Recovery Whore RescueJP's Avatar
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    As stated above it will deff help hydro lock the engine quicker, and if you do mud it will get dirtier faster.
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    Zombie Slayer... JoeySnow70's Avatar
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    Quote Originally Posted by 4x4x4 View Post
    Some people like the sound they give. I think my stock box works fine. If you get water up there it will easily suck it in and hydrolock your motor. This is a bad thing.

    Consider this: Does your Jeep really run great, wow, increased the power when it's say 60 degrees in the morning? Well when it's 85-90 outside do you think your Jeep is just going to be making lots more power because it's get the "cold air" from the front grill? That would be 85-90 degree "cold air". Some car engines can benefit from a less restrictive air system. Geting air from outside the hot engine compartment is better than not. Is it worth the tiny difference? Only you can answer this.

    My opinion Jeeps need clean and as cool an air as possible without going drag strip style. We don't need that kind of 1/4 mile hp. Money wasted in this area doesn't give you much on the offroad side. What could you add to your Jeep with say $200-300 that would make it more off-road worthy? Recovery gear, synthetic winch line, rock rails, lights....

    Saving up for a snorkel would give you real outside air without being in danger of sucking water into the engine. You don't have to take it into deep water to have a benefit.

    Due to inflation my $0.02 isn't worth anything now!
    100% Agree...

  8. #8
    Junior Member jpswapmohn's Avatar
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    I just drilled additional holes in the lower section of the stock box (below the filter..) on my 95 YJ and run a less-restrictive filter. I also removed the restrictive plug that was in the stock intake hose. I picked up a couple of MPG's out of it but did not notice significant power gains. Of course my stock gears don't help..
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    I got a cheap cai from ebay for $35 and put it on my 2.5 tj. I noticed a huge difference. I get quite a bit better mpg, and i can actually get up to highway speed now
    Last edited by friskeljr; 07-09-2009 at 21:19.
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    I have the AEM Brute Force. I agree with all above. Save the money for something else.
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