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AEM Cold Air Intake... My Thoughts

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Old May 4, 2007 | 10:07 PM
  #1  
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Default AEM Cold Air Intake... My Thoughts

I just installed my CAI. That was TONS of fun. For one, the easiest thing to do, is to remove your bumper. Then the removal of the airbox + resonator... AHH!!

The fitment is kinda sucky with the AEM intake (its ok though, I'm in a FA5) so the bottom holster bolt isn't holding it on (so i have some vibratinos boo) and it is a snug fit. Anyone experience Injen or Fujita's solutions? how's the fitment on those bad boys?

I think I am going to replace my AEM intake after i pay off my car (almost done). I'd have to say it is nowhere near what it used to be in quality.
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Old May 5, 2007 | 01:24 AM
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Default Re: AEM Cold Air Intake... My Thoughts (axtran)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by axtran &raquo;</TD></TR><TR><TD CLASS="quote">
I think I am going to replace my AEM intake after i pay off my car (almost done). I'd have to say it is nowhere near what it used to be in quality.</TD></TR></TABLE>

I think you should replace it with stock...
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Old May 5, 2007 | 05:16 AM
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Default Re: AEM Cold Air Intake... My Thoughts (axtran)

I have heard great things about the Injen and Fujita. For some reason AEM just isn't the same any more.
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Old May 6, 2007 | 06:59 PM
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AEM CAI + MAF Sensors=Death of motors. Get it off your car ASAP, they didn't figure out the tubing correctly to maintain a proper A:F ratio.

Jon
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Old May 6, 2007 | 07:34 PM
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Didnt figure out the tubing correctly? All of the air will need to go through the MAF sensor regardless of the size of the tubing and the MAF sensor will regulate how much fuel it needs...

Now if it uses a oiled filter contruction, those are bad for the sensor...

SMo'


Modified by SMoLiK at 12:08 AM 5/7/2007
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Old May 6, 2007 | 09:45 PM
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I had a horrible time with my AEM cai for my 07 and i chucked that peice of **** and bought a Injen..

Injen is SOOOO much better in quality and fitment, what more could you ask for?
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Old May 7, 2007 | 05:32 AM
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Default Re: (Honder07si)



I have a AEM cai on my EX for about 6 months and I still get CEL's that come up. It's a pain in the ***...I probably get at least one a week. Would it be better for me to just trash my AEM and get an Injen...or is their something better out their besides that?
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Old May 7, 2007 | 07:27 AM
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Corsport admitted they sell injen intakes 20 to 1 when compared to AEM.. I am trying to get my defective pita AEM CAI returned right now.
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Old May 7, 2007 | 03:06 PM
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Default Re: AEM Cold Air Intake... My Thoughts (axtran)

AEM SUCKS

the first time i put the system in it was great for the first week, then the CEL came on so i took the car in and i melted one of the parts in the engine(electrical part i think) so i took it out for a while.

then decided to install it again, but i didnt have the tube that goes fron the engine to the top of the exhuast which isnt a big deal i dont think(correct me if im wrong) but idk if the problem was with me not letting it sit runnin for 15 min or if i put it on wrong, but i was in a hurry so i got in the car and drove it. it died right when i got out of my complex, restarted it and drove to get my friend from school, about 15 min later when i was driving my friends home the CEL came on and the car was acting really funny, about 2 miles more it would go past 3,000 RPM, it would go to 3 then stutter, so i drove it to my friends house and had his dad look at it, it sat with the engine off for 20 min then we took it for a test drive and it worked fine, but the strange thing is that when i have cruise control on and i press the gas i have full control of the car even if i set the cruise control, later that night it died on the freeway, and that was the last time, i switched it back to the OEM intake. the cruise control thing still happens but the CEL went away right after i started the car after putting the stock intake in.


Im thinking about getting a K & N short Ram intake but sceptical about putting any intake in now, also when i but the AEM intake in the the second time, i has a corsport downpipe leading to the stock exhaust, but now i have a magnaflow cat back to go with that, mabey it was to much back pressure idk. the car seems to slow down a little faster now without my foot on the break, idk.


well i shared my AEM crap story but does anybody know y my car did that the second time?
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Old May 7, 2007 | 04:03 PM
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i have been bashing aem for weeks now every since i got that peice of **** on my front door....

AEM blows and does not fit

AEM=shitty
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Old May 7, 2007 | 04:42 PM
  #11  
ley's Avatar
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I admit AEM = Shitty on our cars


but for other cars its great! Especially the v2
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Old May 7, 2007 | 05:16 PM
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Default Re: (SMoLiK)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SMoLiK &raquo;</TD></TR><TR><TD CLASS="quote">Didnt figure out the tubing correctly? All of the air will need to go through the MAF sensor regardless of the size of the tubing and the MAF sensor will regulate how much fuel it needs...

Now if it uses a oiled filter contruction, those are bad for the sensor...

SMo'


Modified by SMoLiK at 12:08 AM 5/7/2007</TD></TR></TABLE>

Not quite correct. If the flow isn't linear or the tubing diameter is different then a different amount of air will enter the engine than the MAF is recording and the amount of fuel being injected won't be correct. I have personally witnessed multiple people recording a very lean A:F ratio running the AEM CAI or SRI on different types of cars with a MAF. People here may not take the time to record an A:F ratio, but a CEL is a good indicator that the AEM is causing something to go wrong and lots of people here have complained of getting one. The oiled filter is a much smaller problem than the improper tubing design with a MAF car.

Jon
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Old May 7, 2007 | 06:32 PM
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Default Re: (HondaF1Fanatic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HondaF1Fanatic &raquo;</TD></TR><TR><TD CLASS="quote">AEM CAI + MAF Sensors=Death of motors. Get it off your car ASAP, they didn't figure out the tubing correctly to maintain a proper A:F ratio.

Jon</TD></TR></TABLE>


I have had one on for 10,000 miles and never a problem. Maybe they changed the design since I got mine.
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Old May 8, 2007 | 08:36 AM
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Default Re: (HondaF1Fanatic)

The tubing size really shouldnt make a difference because when it goes through the MAF it will all get reduced back down to the correct size...

Think it could be a velocity problem?

SMo'
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Old May 8, 2007 | 02:22 PM
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Default Re: (Hellzcivic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Hellzcivic &raquo;</TD></TR><TR><TD CLASS="quote">


I have had one on for 10,000 miles and never a problem. Maybe they changed the design since I got mine.</TD></TR></TABLE>

Or you got one of the ones that is close enough to stock flow volume and velocity that it is fine. The build quality of their intakes varies so much that some work and some blow motors.

Jon

PS: I do think it has something to do with velocity, but a friend who is studying Computational Fluid Dynamics said it is not nearly that simple and I couldn't understand a single thing he told me after that but he tested an AEM intake (albeit one for a Subaru) and found that its flow characteristics were drastically different than stock, enough so to mess up the readings put out by the MAF.
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Old May 8, 2007 | 02:28 PM
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Default Re: (HondaF1Fanatic)


So would a CAI put out by Injen be any different...or are all CAI's like that?
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Old May 8, 2007 | 07:04 PM
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The ones we looked at from Injen and K&N didn't do that, they maintained the stock A:F. Fujita was started by Injen engineers so I am guessing they do their homework too.

Jon
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Old May 9, 2007 | 03:00 AM
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Default Re: (HondaF1Fanatic)


So if they're keeping the stock A:F ratio is there any possibility for performance...isn't the whole idea of a CAI to get more cold air to your engine?
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Old May 9, 2007 | 10:29 AM
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when playing with a MAF sensor, you have to maintain balance or else you're going to lose mpg, pronto. yes, the air is colder, more "efficient" is what you're striving for in that situation. tuning ratio changes many more factors.

Thursday, my intake should be coming. Yes.
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Old May 9, 2007 | 10:33 AM
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Default Re: (axtran)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HondaF1Fanatic &raquo;</TD></TR><TR><TD CLASS="quote">The ones we looked at from Injen and K&N didn't do that, they maintained the stock A:F. Fujita was started by Injen engineers so I am guessing they do their homework too.

Jon</TD></TR></TABLE>

Fujita definitely did their homework... not sure if they have a CAI yet, but I know the SRI I got is awesome and came with pretty detailed instructions. It was clear that the did some nice R&D before coming out with the piece
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Old May 9, 2007 | 10:37 AM
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Default Re: (axtran)

the MAF is only taking a "sampling" of air which is then used to calculate the total volume entering the motor.

I've been wondering about MAF sensor placement, and whether or not being closer or further from the throttle body will help or hurt. I know mustangs acted very different depending on where the MAF sensor was located, especially in forced induction setups (air being pushed past sensor)

Fujita and Injen seemed to have moved the sensor closer to the throttle body while K&N didn't.. I'd be interested to know why
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Old May 9, 2007 | 01:57 PM
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Not to hijack the thread or anything, but this doesn't need it's own topic;

I've heard that in the long run air filters that use oil can be bad for an engine, how true is this?

Also, anyone try using an AEM dryflow filter on another intake?
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Old May 9, 2007 | 02:03 PM
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Default Re: (Ouija)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Ouija &raquo;</TD></TR><TR><TD CLASS="quote">Not to hijack the thread or anything, but this doesn't need it's own topic;

I've heard that in the long run air filters that use oil can be bad for an engine, how true is this?

Also, anyone try using an AEM dryflow filter on another intake?</TD></TR></TABLE>

Air Filters that use oil can damage the MAF sensor if it's over oiled.
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