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I just called AEM... nobody is selling this yet but they should have a list of distributors available to buy it from by Friday.

 
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If air is bouncing back and forth in this intake, doesn't it eventually mean that there will be less air moving in???

 
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It's a pressure wave that is set up. You want to tune the intake to get maximum positive pressure at the intake as it closes. This sounds like the old offy intake for v-8s that had two intake tracts per valve with different harmonics to try and cover a broader rpm range. It didn't work well. The best way is to have the length of the intake vary with rpm. However, this tuning works best between the carb or throttle body and the valve. not sure it will do much on the other side of the throttle body because the throttle body may not transmit the pressure wave to the right valve at the right time.

 
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Dosen't look that great

 
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so tell me in a easier way for me to understand

 
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bypass valve?

 
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so how much is this thing?[IMG]i/expressions/face-icon-small-confused.gif[/IMG]

 
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called again today and they told me they are releasing pricing and distributor list in early December.

 
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Erichyung, think of it as a speaker attached to one end of a tube. As the speaker moves, it creates positive and negative pressure at the other end of the tube. Positive pressure = denser air (supercharged), negative pressure = less dense air (undercharged). Same with your intake only the air is also moving through the tube as the pressure waves travel back and forth.

You want the valve to close just after the pressure wave hits the valve giving you the densest air possible in your cylinder. It's basically free supercharging. Those bulbous exhaust pipes on 2-stroke bikes do the same thing, except they use exhaust gas to supercharge the port as it closes, packing more charge in the cylinder. The problem is, the pressure waves change with rpm. Therefore, you either tune your intake to operate within the rpm band that maximizes the supercharging effect, or vary intake lengths with rpm so you can broaden your powerband.

Yow, too many words.

Hope that helps

 
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thanks smx. do you think this will make any difference in sound?

 
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Nope. This is stuff you'll never hear.

 
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I understand what your saying, but how is the pressure wave actually created? Aren't you getting constant pressure from the intake? Secondly, won't the pressure waves get messed up inside the throttle body? If the throttle body isn't open all the way and the waves bounce back, then won't you just lose pressure? And, even if the body was open all the way, don't you get inverse waves that bounce back after it hits the inner side of the throttle body? Doesn't make sense...

 
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All this air bouncing talk is giving me a headache.

I'm gonna get naaaaaaawz

 
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You're correct, the waves bounce to and from the throttle body (or carb plenum for older cars). The trick is to time it so that the pressure wave hits the valve as the valve closes.

The waves are formed by air flow starting and stopping as valves open and close. The air stream is hauling a$$ to the valve, but when the valve closes, the air that didn't get in has no place to go. This forms an area of high pressure behind the closed valve that propogates as a pressure wave back toward the throttle body. It hits the plenum and reverses directions. The trick is proper tuning of this wave.

 
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for the person who said that the air travels as a wave... uhh care to elaborate and the air particles traveling as wave??

 
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I read an article about the SUPERCARS using this trick. At high speeds the waves actually "supercharge"/compress the air into the cylingers. They time it out to make it so they waves "hit" at just the right time and acts like a turbo/super charger for non turbo'd engines.

 
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Too bad its only for Manual Trannies...

 
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how much does it cost?

 
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Yes, to heck with AEM's Auto Tranny Hating selves! Autos for life! (HA, yea right....I hate my Auto)

 
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found a add for this it said the v2 gives 16hp while it also the the old aem cai provided 15hp.. but its a 100.00 diffrence for 1 hp at 295.00.....

 
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Aye, I agree with the Guru on this. It's only a 6hp gain and a 6 '/# increase. Not really worth the $250. Unless you've got a larger throttle body on there, your intake's not going to suck much more air. The stock intake/airboxes that are on there are already located a good distance away from the engine, aren't located near your radiator, and don't suck in water. When you install the AEM/Injen/whatever CAI's, the intake gets relocated below the engine, right by the radiator. It's not exactly the best place to suck in "cold" air.

Honda did a really good job with optimizing the 7th gen. There is almost no need to do anything to the LX/EX engines, at least nothing cheap. If you're going to do something to your car, better off sending it in for a port/polish, rebore, etc. Better bang for your buck. At this point, your Civ just looks pretty with the intake, and you have to get a breather tube unless you live in AZ. [IMG]i/expressions/face-icon-small-smile.gif[/IMG]

 
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holy late post batman! look at those dates!

 
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Don't know if anyone has replied to this yet, but I'll have at it. I spoke with Robert Green today at AEM, who I've spoken to quite a bit over the last few months and he filled me in on some of the details. He said this product will not be suited for everyone and is more for the all out peformance oriented people. Due to the technology involved with what the V2 does, a bypass valve would completely make that technology useless. Therefore there will not be a bypass valve offered for it. Also due to the 4 inch diameter piping it requires a new transmission mount that is smaller yet sturdier than the stock to make room. Robert told me this is supplied and isn't to difficult to install. If you understand the technology being used in this system (Helmholtz resonation and the harnessing of soundwaves/pulses) this stuff really does work. SCC reported a 16.9 hp gain and 14 1b-ft of torque on a '96-'00 Civic DX, up from 10.8 gains off of the AEM CAI. Gains like that are not only amazing but something to get excited about. Robert told me that the next issue of Turbo will have a indepth investigation on the AEM CAI V2, and most likely dyno's on almost all of the already available applications. He also said that AEM already knows what cars it is going to make the V2 for and when those parts are coming out. I asked him why with the way everything else goes in the market and there not being that much out there for our cars, why AEM already has the new V2 out for the 7th Gen. He said it's really quite simple. AEM owns our car(s) and therefore are able to easily make the parts without having to go out and find people with stocks cars who are willing to give up their vehicles for awhile. I don't know about everyone else, but I'm getting excited to see the performance results from the V2 on our car and how they faired.

 
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I found a 96-00 Ex MT V2 AEM CAI for 259; which is about the same MSRP of the original. I also saw the "reported" numbers of gains on a 96-00 Dx...a respectable, more so outrageous, +16hp +14lbs (flywheel or wheels? who knows)

Also, every idiot in the world knows that the cheapest way to get power is through an intake. Cost/Power ratio hands down goes to n2o

 
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I called AEM too and someone told me its not out yet for our cars. So I don't get it. Is it out yet or not?

 
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The release date is this week actually. I can't remember which day. So they might actually be available now. But even with some parts after they've been released it takes suppliers a couple of weeks to get the parts in. But you can already preorder/order it from several sites. Here is a group buy that you can get it from for $236 shipped.
AEM CAI V2 Group Buy

 
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I know it doesn't come with a bypass valve but I just want to know how careful I should be? Is it safe to drive with it when it rains? I mean I want to know under what conditions its ok to drive with it and what conditions its not?

 
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It will literally almost be in the exact same spot as the regular AEM CAI. You should treat it just like you would treat the AEM CAI w/o a bypass valve: i.e. don't go in any deep puddles so that the air filter does not get completely submerged. Hope this helps [IMG]i/expressions/face-icon-small-smile.gif[/IMG]

 
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That helps but can you be a little bit more specific? I've never had a CAI so I don't know that much. Can I still drive when it rains or rains heavy? Should I be worried if I drive though small puddles that just splash up into the enigine bay? Sorry if these are retarded q's but I really want to know before I buy.