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Old 01-29-2002, 07:07 PM   #1
blackwrx127
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Question Isn't APS/Cobb Tuning CAI similar to AEM CAI?

I've searched the forums but nothing came up about this issue. I e-mailed Cobb Tuning but I haven't receive a reply for several days.

I plan to get the Cobb Tuning Stage 2 kit for my wrx and was wondering if I should really get the APS Cold Air Intake with it.

Doesn't the APS CAI suck in air from the fender well like the AEM CAI? The reason why I'm asking is I have heard bad things about how water gets into the filter and can get into your engine and damage it. If both APS and AEM CAIs work the same way, I think I'm better off without it. Do you guys know if they work the same way (suck air from fender well)?


Thanks in advance,
Andy
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Old 01-30-2002, 12:50 AM   #2
blackwrx127
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bump. anyone?
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Old 01-30-2002, 01:01 AM   #3
exorcism
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I too would like to know this, I am planning on getting the APS-COBB CAI and I never thought about water getting into it, can it?
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Old 01-30-2002, 08:19 AM   #4
JenisonWRX
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can it...yes...if your going sloshing around in huge street lakes. When I had mine on...and it would rain...I checked it out and my fender walls where completely dry.

Its pretty well covered in there...but if your paranoid...just figure out a way to protect it.
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Old 01-30-2002, 10:09 AM   #5
128d
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I have the injen CAI and it too gets its air from the fender. I have had it on for about 3 months and have been in heavy rain and still have not noticed any problems.
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Old 01-30-2002, 10:41 AM   #6
Darryl
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Thumbs up APS\Cobb cai

I have the Club Spec kit which includes the APS\Cobb cai. So far no problems with driving in heavy rains. I do slow up for deep puddles, just to be safe. Otherwise go-go-go!. That sucking soud you hear is my car drawing a deep breathe. All the better to make power, my man. I also like it's look ( like it belongs there).
darryl
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Old 01-30-2002, 12:57 PM   #7
WR_eXe
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I have the Cobb/APS intake with my setup. It doesn't go that far down into the fenderwell (more like halfway down) compared to the AEM intake, which makes it a lot safer while performing just as good. Unless you plan on submerging your car into 2 feet of water, there's no way water will get sucked into it
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Old 01-30-2002, 01:25 PM   #8
metoo
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Since you are getting the APS kit installed at Cobb, the APS CAI is your best choice. I like the fact that it hangs high in the fender. If you don't get the CAI on you car while they are tuning the APS kit, get anything but the APS CAI. It is oversized and will make you car run like crud if you don't let Cobb tune the car with the CAI in place. Get it all done at the same time and you'll be a happy camper.
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Old 01-30-2002, 01:48 PM   #9
nmyeti
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One thing to keep in mind about the APS CAI is that your going to need a tuned unichip to make it work. The APS cai does a neat trick with the MAS sensor. It basically mis-calabrates the MAS by using a larger than stock diameter tube where the MAS sits. This allows more air flow to go buy unmeatered. You get more air into the motor, but you have to go back and add lots of fuel to the map since the mas is not reading all the air.

Just something to keep in mind if your thinking about their intake. This is why they suggest only buying this peice with the unichip.

-Nathan
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Old 01-30-2002, 04:27 PM   #10
blackwrx127
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Thumbs up

Thanks for all the comments u guys. I really needed it.

Do you think it's a good idea to have the APS CAI on the car while I'm rallying in some mud/dirt? Would it try to clog the area where the CAI is feeding its air from?

Thanks,
Andy
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Old 01-30-2002, 05:44 PM   #11
Jaxx
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one more important thing in realation to the stage two kit ...


do you have use the cold air intake so that the front mount IC piping will work
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Old 01-30-2002, 06:36 PM   #12
immortal_zeus
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I have an AEM racing CAI on my 98 Dodge Avenger (which I hope to trading in for a WRX by the end of February). The racing intake cone is only about 6 inches off the ground since my Avenger is lowered with 2" Intrax springs. I've driven through heavy rains and minor puddles (which no doubt weren't deep enough to cause water to get sucked into the intake) with no problems whatsoever. As long as you don't drive through really deep puddles, I think you should be okay.

If you're <i>really</i> worried, AEM has a bypass valve (~$40) which will pretty much ensure that no water will get sucked into the engine. There was a write-up about the bypass valve in <i>Sport Compact Car</i> a few months ago where they tested the bypass valve on an AEM engineer's Acura NSX (AEM doesn't make a CAI for the NSX...they just fashioned one for this little experiment). Basically, SCC submerged the air filter into a water tank while the NSX was at full throttle...the water got sucked into the intake but never made it to the bypass valve...and never made it into the engine. Very impressive indeed.

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Old 01-30-2002, 07:50 PM   #13
JakRex
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But unfortunely, AEM does not release the bypass valve for WRX yet.
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Old 01-30-2002, 08:16 PM   #14
ElDuderino
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The bypass valves are universal. Just find out the pipe diameter (3" I believe) and get a bypass valve that size.
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Old 01-30-2002, 09:33 PM   #15
nhluhr
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Thumbs up APS Good, AEM Bypass Valve Bad

ok the APS intake is by far the highest quality one that is made. However, as nmyeti mentioned above, it does have a larger inside diameter than stock so it miscalibrates the MAF a little bit. This will cause trouble if you try to push lots more hp out of it, but I ran without correction for quite some time and had no problems (besides the occasional Lean Mixture CEL). I took it off for my TurboXS Unichip, but it's still an excellent product. Definitely best used with a unichip and dyno tuning.

The AEM bypass valve is currently being recalled by AEM because they f'ked up and sold it with flimsy foam flaps that caused a few engine failures, and/or stuck throttles, leading to possible wrecks.
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