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Old September 4th, 2004, 05:19 PM   #1
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My v2 vs injen CAIs

I know many people have already written reviews of their intakes, but I wanted to add my own. I am also going to directly compare the aem v2 and the injen CAI. I searched around and could not find anyone who had driven both and could give me a comparison, so i took it upon myself to write one.

The set up- My girlfriend and I both have 6speed accords. We both have the same exact mods except for intakes. I have the injen, she has the aem v2. We decided to compare each others cars, just to research how both intakes worked differently, and how they were similar. Both our cars are virtually identical on miles (about 20k), use the same oil, same suspension mods (comptech sway).

Both intakes were purchased and installed the same day, in the same parking lot. The computers were both reset in the same fashion- unplug battery for 5 minutes, reattach, start car, idle for 15 mins. We are both mechanically inclined, and feel the install on both was perfect.

Install notes- both intakes were about the same to install. The injen came with excellent pics and written instructions. The aems were not quite up to the same level, but were ample for a good install.

Sound- mmmm boy the sounds of a cai are lovely. Since we both have 6speeds, which have no resonators on the stock intake, I was not antcipating much of a sound increase. Boy was I wrong. Below 2800 rpms with moderate throttle, the intakes are both nearly stock quiet. But get them above that 2800 mark, and the sounds are music to your ears. The aem v2 may be slightly louder, but more of a wooshing sound. The Injen is deeper, with a little less woosh. Both sound very very good. Get into vtec, and both of them just wail. Its quite an intoxicating sound. I cant rate either intakes sound better than the other. Both have an individual sound that has to be heard in person.

Performance- We both drove our cars around for 3 days after the install, and somehow ended up with about the same amount of driving time. This is best for the performance comparison. Both of our computers are trained the same way for the most part, we have very similar driving habbits. We lined up for several runs. As long as we both got good launches, it was door to door. We then swapped cars, and lined up several more times. Same results, door to door. During everyday driving, there is a difference between the two. The injen definetly adds more torque to the low end, where as the AEM v2 feels like it has lost a few on the bottom end. I cannot be sure of true numbers due to lack of a dyno. But we agree that the injen is stronger on the bottom, and the aem is stronger on the top. The difference is minimal, but enough to notice. This is completly based off both our butt dynos only!

Tube finish- The injen is a polished metal, the aem v2 is a powercoated metal. People have talked about the injen possibly getting hotter than the v2, after several hard runs with both cars, it seems as though both intakes are just as hot as each other. Therefore, I do not believe the finish on either one plays a role in performance numbers.

Cost- the injen takes the cake here at nearly 100 dollars less than the V2.

Who wins?? Thats one thing we cannot give a decisive answer for. Both perform beyond our anticipations. No matter which one you choose, you will not regret your purchase. The injen seems like a better choice for everyday driving, where as the v2 may be more for the people that spend alot of time at the track, with their revs high.

Please ask any questions you have. We are happy to answer them to the best of our ability.

D & M
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Last edited by blu6speed; September 4th, 2004 at 06:54 PM..
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Old September 4th, 2004, 06:24 PM   #2
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Good write up.. thx
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Old September 4th, 2004, 09:07 PM   #3
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thanks! i think that confirms my wanting to buy an injen. and you and your gf both have 6 speeds and are both mechanically inclined? NICE find and she's a keeper.
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Old September 5th, 2004, 01:00 AM   #4
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dyno both?
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Old September 5th, 2004, 02:32 AM   #5
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Does the Injen have the droning sound that is apparent in the AEM V2? I heard a lot of people mentioning this on the V2, though I do not know if it's also on the Injen CAI.
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Old September 5th, 2004, 10:01 AM   #6
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From the injen, I hear no droning what so ever. During highway usage I do notice a slight hum from the v2.

Dynos are in the plans! Just need some bank to do it.
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Old September 5th, 2004, 01:49 PM   #7
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how much does it cost to dyno these dayz?
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Old September 5th, 2004, 04:19 PM   #8
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I'm with Deuzezwild. I'm leaning toward the Injen now. Better price, low end gain.
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Old September 5th, 2004, 05:41 PM   #9
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Good writeup, definitely helpful to keep all that in mind. I would still suggest doing it on the same car. Different cars get different performance numbers ALL the time. It goes to explain why some people can only get 28MPG max but the others can get 30+ or whatever. Actual HP #'s will differ from one vehicle to the next also.
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Old September 5th, 2004, 06:14 PM   #10
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you love birds should really take a good picture of the cars!!! and maybe include yourself in it :] heh
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Old September 5th, 2004, 09:28 PM   #11
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Great job man!! I was thinking, since you are in such a good position to do a dyno now with the intakes on is it possible that we the 7gens owners can chip in the money for you to do the dynos? Is that a good idea to mention to moderators since everyone always ask for dyno comparison but no one comes forward to do it. This is an excellent opportunity so I wonder if we can do it as a group so it would answer all the questions. Myself I have the Injen and love it especially with all the other mods I have on the car, my friend whos on the forums here has the V2 but since we have different mods we cannot compare the dynos.
Just a thought!
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Old September 5th, 2004, 11:39 PM   #12
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blu6speed

if you wanna setup a private donation to do dyno.. go ahead set one up.. but v6p as a company or forum mods can not be involved.. too much liability.. tho, feel free to create a new thread to report the progress of the donation, etc..
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Old September 6th, 2004, 08:35 PM   #13
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I will be back in town in a week, I will try to look into a dyno at that point. Thanks for the offer everyone to chip in, but it should not be a problem for us to pay for it ourselves.
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Old September 7th, 2004, 07:29 AM   #14
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Pleased with my Injen CAI + deal on ebay???

Hi All,

I'm new to posting to the board, but have been lurking for a while now.

Last month I had the Polished Injen Race Division CAI installed on my 03 AV6 and am very happy with it. I decided to have my local mechanic (he has a G35 coupe) do the install since I didn't feel like messing with the bumper removal, etc. Turns out it wasn’t necessary to remove the bumper and he was able to do a clean install through the wheel well in about an hour. I couldn’t believe the amount of stuff he removed from the engine bay - the resonator is huge and heavy – all the parts filled up the injen intake box and then some!

Long story short, I love the intake and like the fact that it’s quiet below 3,000 or so RPM’s, but when you get on the gas the deep growl of the engine comes to life – which I like. One of my favorite things to do when passing someone or entering the highway is to drop from D to D3 and stomp on the Gas – the car immediately responds by downshifting to 3rd without having to guess whether it should go to 4th first so no hesitation and the growl of the intake is so sweet.

The link below is to a brand new polished Injen Race Division Intake for V6’s – like the one in my car up for auction on ebay. It ends today and the current price is low compared to what I paid - so maybe someone here can pick up a deal.

http://cgi.ebay.com/ebaymotors/ws/eB...category=38634


Again, thanks to all posters and hopefully I’ll find the time to post more in the near future regarding my experience in obtaining 2 Hondacare warranties from Erica Ramos with the pricing structure for the V6.
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Old September 7th, 2004, 08:04 AM   #15
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GKAHSKDFASHFSADHSAHKFLAHHLKHSFKHSDFASF. damn you. i was planning on buying this today and was gonna keep it a secret. there's only one, and i'd kill to get it, and i found out about it late last night. so if that means anything to you guys, i'd appreciate it if you'd find somewhere else to buy it? not to sound greedy or possessive, but im greedy and possesive.
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Old September 7th, 2004, 08:09 AM   #16
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haha the same thing happened to me with a set of headers...yeah i lost that auction
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Old September 7th, 2004, 09:35 AM   #17
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Quote:
Originally Posted by deuzezwild
GKAHSKDFASHFSADHSAHKFLAHHLKHSFKHSDFASF. damn you. i was planning on buying this today and was gonna keep it a secret. there's only one, and i'd kill to get it, and i found out about it late last night. so if that means anything to you guys, i'd appreciate it if you'd find somewhere else to buy it? not to sound greedy or possessive, but im greedy and possesive.
You're not the only one, I've been watching this since it was posted, and I'm sure many people are.
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Old September 7th, 2004, 02:25 PM   #18
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Old September 18th, 2004, 07:43 PM   #19
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hokay. i installed my injen yesterday. holy CRAP its loud at WOT. you can actually hear at 4500-5k rpm right where the intake manifold opens up, and then its REALLY FRICKING LOUD. its a pretty hollow loud, not very bassy, sounds like an m3 csl to me. install was a breeze, but i still cant get that one old pipe that was attached to a bracket out. grargh.
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Old September 19th, 2004, 03:36 AM   #20
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i have an injen cai, brand new in box only thing its missing is air filter. will sell for 175.00 shipped, if anyone is interested
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Old September 19th, 2004, 08:17 AM   #21
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damn. where were you 2 weeks ago?
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Old September 19th, 2004, 09:41 AM   #22
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deuzezwild,
How was low end torque after you installed the Injen? Notice any loss of torque?
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Old September 19th, 2004, 10:12 AM   #23
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i haven't driven on it enough to really know, but i don't feel any loss of power at all.
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Old September 19th, 2004, 01:25 PM   #24
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edit to my original review:

The love for both the v2 and the injen has not decreased at all!! A cai on the accord is just amazing, and now that the weather is cooling off- hold on to your keister, its even better. There is one problem that I started to notice - the dirt. My car is a coupe 6 speed, which means that it has giant air ducts which vent right onto the actual filter. I have been monitoring it since the install, and I am not happy with the amount of dirt building on the front of the filter. Its to the point that I pulled the filter and cleaned it. To keep the problem from occuring again, I have created an aluminum shield that is applied to the back of the air duct, covering about half. The part that it covers will block the direct dirt that would have impacted the filter. The filter is positioned so that only half of it is exposed, the bumper protects the other half of it. After the aluminum piece is installed, the entire filter is protected, but half of the duct is open- allowing air to rush into the compartment. My goal- (which I feel has been accomplished), was to protect the filter from dirt, while not restricting airflow to the point it would effect power.
I dont really think this was a nessisary mod. Making sure to keep your filter clean would have been acceptable, but with winter on its way, I just wanted a way to keep the salt, water/slush and other road grime off the filter. Time for install? Well it took me a half hour to get the damn duct out, you have to go through the wheel well and remove 2 screws. From that point, I custom fabed a piece of 080 black aluminum, about and hour, and another half hour to go back into the wheel well. So, I would estimate it was about a 2 hour job, start to finish.

Four door models need not worry, since their bumpers do not have the same air ducts, which means their bumpers completly protect the filter from the dirt problem.
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Old September 20th, 2004, 07:03 AM   #25
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Four door models need not worry, since their bumpers do not have the same air ducts, which means their bumpers completly protect the filter from the dirt problem.
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Old September 20th, 2004, 08:59 AM   #26
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On the sedan, how far down does an CAI go on it? I really want one but I live in FL and we had some recent flooding due to our mother nature and its hurricanes and I know about how deep the water was I drove in and know I would not be going in any deeper then I did but not want to know how far down the CAI goes on the sedan so I can decide if I want to just get one or just do the 6sp mod.

Also anyone w/ a sedan know which would possibly provide a cleaner gain throughout the entire band? I dont want high end increase w/ low end drop or other way around. I want a nice good increase all the way.

V2 or Injen? I hear good about them both and $ not a prob.

Thxs in adv.
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Old September 20th, 2004, 04:42 PM   #27
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for the v6 engine, the v2 and the injen are about 6-8 inches off the ground. Personally, I would not drive through puddles deeper that 3-4. Reguardless of the puddle, keep out of the throttle, the more throttle, the more air its pulling.
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Old September 21st, 2004, 09:13 AM   #28
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What about it splashing water on the filter which will cause the engine to suck in high humid air? Is that bad?

Also anyone know which CAI has better constant gains out of the 2 on a sedan v6?

Thxs
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Old September 21st, 2004, 11:25 AM   #29
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Originally Posted by BigB2k3
What about it splashing water on the filter which will cause the engine to suck in high humid air? Is that bad?

Also anyone know which CAI has better constant gains out of the 2 on a sedan v6?

Thxs
Splashing of water on the filter is not a problem at all...... if you're in FL, you're already sucking up 90%+ humid air anyway.

I can't speak for the V2, but my Injen gave me gains throughout the entire power band, no loss anywhere. Imo.
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Old September 21st, 2004, 04:50 PM   #30
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is there a heat shield for v2 ?
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