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How do you shield your CAI?

 
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Old Feb 19, 2004
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How do you shield your CAI?

I know that previous generations of civics have had their CAI filter located behind the bumper and the fender, and the fender liner, etc, etc, so it's completely protected...

And I know that our CAI filter hangs below the battery, and is right above this big space where water puddles could get through and kill my engine.

What can I do to protect it? I don't want to try my luck... and it's going to be spring soon, so all that snow will melt... what should I do??

Thanks!
Old Feb 19, 2004
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Re: How do you shield your CAI?

Originally posted by jpan_home
I know that previous generations of civics have had their CAI filter located behind the bumper and the fender, and the fender liner, etc, etc, so it's completely protected...

And I know that our CAI filter hangs below the battery, and is right above this big space where water puddles could get through and kill my engine.

What can I do to protect it? I don't want to try my luck... and it's going to be spring soon, so all that snow will melt... what should I do??

Thanks!
if u have an AEM CAI then to protect it from hydrolocking the engine just get the air bypass valve for it...dunno what to do if it's anything else cause i don't think u can relocate an CAI system
Old Feb 19, 2004
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you can get that really expensive heatshield from injen.
Old Feb 19, 2004
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You are not going to hydrolock your engine unless your filter is completely submerged and/or you go wide open through a puddle.
Old Feb 19, 2004
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or you can just take off the botom part of the intake, thats what i do in the winter/spring. It just makes it like a short ram. then once the weather gets beter i put the botom part back on
Old Feb 19, 2004
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CAI filter located behind the bumper and the fender, and the fender liner, etc, etc, so it's completely protected
So is the 7th gen model from Injen.
Old Feb 19, 2004
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I have drived through some serious downpours at freeway speeds(not by choice) and never had a problem. Just don't submerge the filter completely. Even if you were to dip part of it in water the air would take the path of least resistance and would leave the water down in the filter, the most you would get would be a slight mist travelling up the intake, and that would not be catestrophic.
Old Feb 19, 2004
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aem bypass valve, dont submerge it, and you can go to a machine shop and have them put together a kinda half sheild out of sheet metal. but that cuts doen your air flow some.
Old Feb 19, 2004
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I don't know... I keep hearing that sometimes the splashes from under the car gets into the filter and blows the engine... and so it's not a submerged filter...

Nonetheless, that ingen CAI is hidden in front of the tirewell is news to me... anyone got a pic??
Old Feb 19, 2004
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1.) get bypass valve
2.) dont worry anymore
Old Feb 19, 2004
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I have had mine for over a year ... and no problems here i have an aem and the bypass valve.. and i live in Florida where it rains all the time
still running
Old Feb 19, 2004
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I hope you guys know that the bypass valve ONLY work when the filter is COMPLETELY submerged. Doesn't take an engineer to figure that one out.
Old Feb 19, 2004
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ya, he is worried tho, so if he is going to be paranoid about everytime he drives his car in rainy conditions, then he should just get the bypass valve
Old Feb 20, 2004
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Does the Bypass Valve just slip on or do you have to cut the intake, then fit it on? I was told to cut it. That's why I ask.
Old Feb 20, 2004
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no no no, you know where the rubber piece housing connects the two pipes, you replace that with the bypass valve. The valve has two rubber pieces, with a piece of foam like material in between.
Old Feb 20, 2004
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i too am debating on a CAI...i have a new car so between the risk and the small gains you get it doesn't seem worth it to me to risk my engine on something with small gains that may or may not cause damage. maybe try the K&N ?
Old Feb 20, 2004
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But but but...

See, I want to try the CAI, esp in the summer time...

I don't think I'll need the bypass valve, since I won't be submerging the filter (as I understood it, that's how the bypass valve works, when the filter is submerged).

I'm mostly concerned about large splashes to the filter from under the car, that's why I asked how people shield their CAI...

Ahh, so much work, so little gain...
Old Feb 20, 2004
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the air bypass valve is insurance for your engine
or try a K&N "Pre-Charger" filter cover

Last edited by PunkingCivic; Feb 20, 2004 at 12:24 PM.
Old Feb 20, 2004
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I have the Injen CAI on my EX and I have had no problem with any water damage . I also do not have the heat shield. If you look after you install it there is only one spot that you can see the filter cone from outside the car. Plus I dyno'd with just that and a Flowmaster Force II Axel Back Exhaust and my 3rd run was 117.8 whp. Which is more than I expected.

Anyway, don't worry about the water.

Last edited by Exit91Civic; Feb 20, 2004 at 06:10 PM.
Old Feb 22, 2004
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Originally posted by ati9700pro
no no no, you know where the rubber piece housing connects the two pipes, you replace that with the bypass valve. The valve has two rubber pieces, with a piece of foam like material in between.
Ahhh.... I dnn't know about you, but my AEM CAI is all one piece, not 2 seperate ones. The ones I had seen were 2, but when i got mine it was only one.
Old Feb 22, 2004
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is it a real aem cai?
Old Feb 22, 2004
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run a aem v2 very good
Old Feb 22, 2004
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I have an AEM CAI and i never had any problems, and i've driven through just about every type of downpour/puddle. Since your intake won't give you any power anyway, you can just put a bypass valve on it if you are that worried about it.
Old Feb 22, 2004
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Here is a pic of my engine ...and Injen, I just installed the header on Friday night.
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Old Feb 23, 2004
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Hmm, if the CAI doesn't give you any power, then what's the purpose??
Old Feb 23, 2004
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sounds cool, thats about it
Old Feb 23, 2004
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pretty much, looks good in the engine bay also
Old Feb 23, 2004
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Originally posted by Chicohonda02
Ahhh.... I dnn't know about you, but my AEM CAI is all one piece, not 2 seperate ones. The ones I had seen were 2, but when i got mine it was only one.
mines 2 pieces too, so i just take off the botom half in winter and spring... do you have the V2?
Old Feb 23, 2004
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I didn't say on the box that it was a V2.
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Old Feb 23, 2004
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See all one piece.
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