Nissan 370Z Forum - K&N Typhoon Install problem

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Nissan 370Z Forum (http://www.the370z.com/)

- Intake/Exhaust (http://www.the370z.com/intake-exhaust/)

- - K&N Typhoon Install problem (http://www.the370z.com/intake-exhaust/24591-k-n-typhoon-install-problem.html)

Econ	02-28-2011 11:19 AM

Quote:

Originally Posted by TBSS2008 (Post 961893)

I've run several intakes on my 370z:

Takeda Short Ram
AFE Pro Dry Drop ins + Smooth Tube
K&N Typhoon

I do not have dyno numbers to back me up but the K&N Typhoon seem to perform the best and are easy to install. I did not want to hassle with the bumper so I didn't go with a Long Tube route like the Stillen G3. The K&N Heat Shields are pretty good I like how they utilized the stock box mounting holes for the heat shields. It’s just a very well built product and sounds amazing. The Dropins + Smooth tube work well but I felt it still restricted intake air flow. The K&N Cone filters just flow better then the panels.

Did you notice a decrease in low end power with these intakes?

TBSS2008

02-28-2011 05:02 PM

Quote:

Originally Posted by Econ (Post 962026)

Did you notice a decrease in low end power with these intakes?

I did reset my ECU with my COBB AP after the K&N install. But it still took a few hundred miles or so for the ECU to adjust. It did feel like my Z was a bit sluggish at low RPMs at first but once the car adjusted I feel the power throughout the power band.

I just recently got a new Short Block (Oil Consumption Issue) installed at 39K miles so I had to take off my M370 Motordyne Intake Manifold for warranty work. 850 miles on the new Short Block all is good no more consumption but I can definitely tell I am not getting near as much tq from the stock Intake Manifold. I can not wait until the break in is over so I can put the M370 back on. It’s a great part you can definitely feel in the butt dyno department, and recommend it for any 370z owner as well!

omgZ	03-01-2011 03:37 AM

Quote:

Originally Posted by Econ (Post 962026)

Did you notice a decrease in low end power with these intakes?

No. I installed them last week, and I like them. Great sound and some hp without the hassle of bumper removal.

Lazy	06-30-2011 12:39 AM

Quote:

Originally Posted by VaGntlmn (Post 959497)

Installation is very easy and straight forward.
If you're not sure what you're doing, it will probably take you about 2 hours, reading, re-reading, etc.
The hardest part is the installation of those tubes from the vent covers to the intake tubes. It's a tight fit and there's just not a lot of space to work.

i think u guys installed the hoses wrong, ur suppose to take the original one out and that the clamps out and put then on the hoses the gave u, not try to fit the hose they gave u into the hoses that is already on. so in the end 2 original hoses should be off

Ridgerunner

06-30-2011 01:25 AM

Installation is real easy as mentioned except the exhaust recirculation hoses, they do not fit on easily and there is not a lot of room if you have bigger hands. You can do like someone said, use stock ones with clamps or try to muscle the ones with the kit on. i got one on but went to the stock one with clamp on the driver side since the tube provided is too long and cramped and I could not get the bitch on anyway. You spend 15 minutes doing 95% of the work and 45 minutes on the damn hoses.

Someone suggested after I had beeen thru the war getting mine on to soak the ends in boiling water for about a minute, this expands them enough to push on the fittings.

svt to 370z

06-30-2011 11:32 PM

ya installed this and i love it.. I noticed a lil loss of power low rpms at first but now after about 400 miles on it i do not notice what i noticeed in the beginning.. I love it now sounds so good and increased power!

PaulZ370

11-28-2011 01:25 PM

Anyone disconnected the Battery Negative Cable as the instructions state? Is this Critical or can I skip this step?

tjlazer

11-28-2011 02:20 PM

you can skip it, but the car will have to take a longer time to relearn the change so you might not get the benefit of the newly installed HAI. ;) Usually the computer will relearn it as you drive, a few hungred miles or so. That is what I did.

PaulZ370

11-28-2011 06:53 PM

Quote:

Originally Posted by tjlazer (Post 1426299)

Thanks for the feedback - I was reading all kindsa warnings about having to go back to the dealership to get some anti-theft codes and what have you - not too keen on doing that. Not too worried about my radio stations otherwise! :tiphat:

PaulZ370

11-29-2011 11:44 AM

UPDATE on Intake Tube Hoses!

Quote:

Originally Posted by VaGntlmn (Post 707811)

Anybody else run into this one?

I was attempting to install a set of K&N short intakes on my car this afternoon ('10 370z Tour/Sport), and everthing was going fine until it was time to connect the new intake tubes to the valve cover vents.
K&N thinks the hoses are one size, when in reality they are another size (i.e the hoses that they gave me are too small to fit on the valve cover vent connectors).
Anybody else run into this or have any suggestions??

And of course, now I have to spend part of tomorrow putting everything back to stock :mad:

Update: Saturday, 9/11/10
The key is 3 tries, a little bit of extra knowledge, boiling water, and liquid soap.
Before attaching the 1/2" hose to the 5/8" vent covers, put a little bit of liquid soap on the outside of the vent cover, and soak one end of the hose in boiling water for about a minute. You still have to work fast, but it can be done.

I just installed my Typhoon last night (11/28/11) - No issue with fitment of any of the hoses at all - no hot water, no soap, no trickery of any kind. All the hoses fit perfectly into whatever they were being connected to. I think K&N must have heard the cries of agony and remedied the problem with their new kits. :tup:

StewManChew

01-18-2012 03:08 PM

Quote:

Originally Posted by PaulZ370 (Post 1426220)

Anyone disconnected the Battery Negative Cable as the instructions state? Is this Critical or can I skip this step?

I just installed. Disconnected the negative battery terminal. Lost my radio station presets ....:eek:

I also lost the the power window programming. Windows on both doors were not resealing up after opening and closing the door. I had to go to dealer and get the program reset.... This may happen to you beware. Good luck.

Still observing the changes from the Typhoons. Now about 200 miles since install. Seems more powerful above 4000 rpm. May have also a slight bump open highway mileage while cruising. Well worth the $$$. Looks good in the engine compartement too...:tiphat:

PaulZ370

01-18-2012 07:41 PM

Quote:

Originally Posted by StewManChew (Post 1496578)

I didn't disconnect the Battery... no issues with that either... :rolleyes:

Zoren 370

04-08-2012 06:26 PM

Quote:

Originally Posted by PaulZ370 (Post 1497571)

I didn't disconnect the Battery... no issues with that either... :rolleyes:

How about re-programing the ECU? is there a need to do this?
So its ok to not disconnect the battery terminal?

phillip2010Z

04-14-2012 01:11 PM

Windows

I just installed my CAI and I disconnected the Battery like a retard, and now my windows don't go all the way up. Is there a way to fix this yourself or do I gotta go to Nissan and have them reset it?

370ZilverZ

04-14-2012 01:27 PM

Quote:

Originally Posted by phillip2010Z (Post 1662805)

with ignition on and doors closed, roll drivers window all the way down, then roll up and hold it up for 5 seconds. repeat for passenger window and you have just reset your windows. You really need to use the seach function on the forum as this is probably the most asked question on the forum.

RikiPL

06-26-2012 04:23 PM

hello,
I apologize for the mistakes ... I installed K & N but I do not know if you need to disconnect the battery! You have to or not? If you need this for how long? Are any problems after disconnecting? Now is loud but no sound of air ... without ssss. There is no sound of air at high speed: (
Thanks for your help
Riki Europe

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