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Just Installed New Injen Cai

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Old 10-08-2002, 01:44 PM
  #41  
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Originally posted by breaux124


Looks like the characteristics of a maxima dyno. But 12hp at the wheels is really hard to believe.
Yeah, it's even got the dip in the early 3000s.
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Old 10-08-2002, 01:54 PM
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http://www.injen.com/webpages/testin...es/rd_1940.jpg

Also have a 2002 maxima dyno.
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Old 10-08-2002, 01:57 PM
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I have heard about the injen CAI and its unique filter location, but don't you have to gut the TB in order to install it? I thought I saw somewhere where you had to take apart the TB in the process of installing this (or it could be another type of?) intake?
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Old 10-08-2002, 02:04 PM
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Originally posted by TheSoundSoldier
I have heard about the injen CAI and its unique filter location, but don't you have to gut the TB in order to install it? I thought I saw somewhere where you had to take apart the TB in the process of installing this (or it could be another type of?) intake?
I'm not aware of any intake that requires taking apart the TB, maybe you mean MAF? The throttle body isn't something you can really take apart and it has to remain where it is. The Mass Air Flow sensor though, needs to be after the filter and before the TB and vacuum/breather hoses. The MAF is the black section of tubing that has wires connecting to it that you usually see breaking up two metal pipes that are making up the aftermarket intake. Hope this helps.
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Old 10-08-2002, 05:09 PM
  #45  
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Originally posted by JsL
http://www.injen.com/webpages/testin...les/RD1925.jpg

You guys might want to take a look at that. 12hp to the wheels is not bad, but keep in mind Injen did this dyno. This is a "CAI" and has long piping, but the high end did not seem to have suffered. There were gains throughout the powerband. I will trust the numbers more if someone dynoed it themselves. It would also be interesting to see a dyno for a 4th gen with a frankencar and campare it with the injen.

Well, I can't complain about mine and I don't have a y pipe or exhust. I can't wait to get a y pipe installed, and balance out the distribution of power...
Oh yeah! you don't have to do anything to the TB. You just have to move the MAF sensor like TOOLrocks said.
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Old 10-08-2002, 07:26 PM
  #46  
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Joey: Does hp seem to die off in the 5k+ rpms or does it pull hard all the way to redline? Did you gain low end?
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Old 10-08-2002, 09:32 PM
  #47  
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Originally posted by JsL
Joey: Does hp seem to die off in the 5k+ rpms or does it pull hard all the way to redline? Did you gain low end?
No 4th gen VQ will pull hard to redline unless you have the VI. The US-spec Maxima makes peak power at 5400rpms regardless if you have y-pipe, intake, B-pipe, UDP, etc.

The Injen dynos look legit, but they must be testing some sick Maximas. A 5 speed 4th gen with a catback and intake should be making a lot more 165fwhp and 170fwtq. That 2k2 6 speed is super weak. They only got 196fwhp and 200fwtq stock. That's pretty weak.

Dave
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Old 10-09-2002, 08:10 AM
  #48  
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Originally posted by JsL
Joey: Does hp seem to die off in the 5k+ rpms or does it pull hard all the way to redline? Did you gain low end?


No, off the line the car is pulling hard all the way through the RPM's. Dave B is right the peak is around 5400rpm. So, yes I did gain in the low end, and that's why I need a y pipe so that the high end will perform better. Hope this helps. Are you thinking about getting a Injen intake?
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Old 10-09-2002, 09:05 AM
  #49  
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Originally posted by Joeycurl


No, off the line the car is pulling hard all the way through the RPM's. Dave B is right the peak is around 5400rpm. So, yes I did gain in the low end, and that's why I need a y pipe so that the high end will perform better. Hope this helps. Are you thinking about getting a Injen intake?
I can confirm Joey's findings. It definitely pulls hard throughout your whole powerband. And compare to my Stillen pop charger, you gain a whole lot of low end back. I got Y and catback and I'm loving it! Definitely get a Y, your Injen will compliment the Y well!

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Old 10-09-2002, 10:41 AM
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group deal

i just ordered an injen CAI. theres a group deal going on right now for 205. for anyone who wants it.
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Old 10-09-2002, 02:03 PM
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Joey: Yes, I'm thinking about getting an intake, and am currently thinking about the injen...but with all the discussion going on right now...i'm not too sure

People in the 5th gen forum have been saying that the injen is restrictive at 120+mph, but that does not concern me. I think i will most likely go with the injen because i'm not interested in going 120, 0-60 dashes are more important to me than the 1/4 mile, I dont want to drill a hole and it doesn't snow in the Bay Area
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Old 10-09-2002, 02:41 PM
  #52  
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Originally posted by JsL
Joey: Yes, I'm thinking about getting an intake, and am currently thinking about the injen...but with all the discussion going on right now...i'm not too sure

People in the 5th gen forum have been saying that the injen is restrictive at 120+mph, but that does not concern me. I think i will most likely go with the injen because i'm not interested in going 120, 0-60 dashes are more important to me than the 1/4 mile, I dont want to drill a hole and it doesn't snow in the Bay Area

So I take it that your in the bay area? Well, if you want to I will be glad to meet up with you and you can see the setup and drive the car if you want. Email me from my website...link is below.

OHH BTW I just wrote up this long a$$ write up about Injen vs PR intake on another thread.
http://forums.maxima.org/showthread....5&pagenumber=6
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Old 10-12-2002, 11:21 AM
  #53  
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NOTE!

Originally posted by JsL
http://www.injen.com/webpages/testin...les/RD1925.jpg

You guys might want to take a look at that. 12hp to the wheels is not bad, but keep in mind Injen did this dyno. This is a "CAI" and has long piping, but the high end did not seem to have suffered. There were gains throughout the powerband. I will trust the numbers more if someone dynoed it themselves. It would also be interesting to see a dyno for a 4th gen with a frankencar and campare it with the injen.
JUST A NOTE:

Injen's baseline run isn't really a "true" baseline run for the intake alone, as the "after" run was with BOTH the Injen intake AND an EXHAUST modification. So, for those keeping score at home, that's not a straight 12 bhp from the intake alone. A few of those ponies are coming from the changes to the backside of the works.

Just the same, I'm not discouraged. I like this intake. I would buy this intake.

-KWheelzSB-
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