Intake & Exhaust Questions and info regarding various aftermatket exhaust systems for the G35 (Headers,Y-Pipes, and Cat-Back Systems)

Question to those who have Stillen intake

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  #16  
Old 08-04-2007 | 10:46 PM
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Originally Posted by Granto86
Thats what I'm asking, is if I have a leak or something, it has nothing to do with rpms, but just when i push the pedal down about and inch to do inches, no matter where I am at rpms, there will be a constant hissing, if I leave my foot there, it will just continue to hiss untill i let go or push down more
Make sure all of your connections are good and tight...

Dos the car run OK, or no
 
  #17  
Old 08-05-2007 | 12:55 AM
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Yea, it seems to run fine, just there is a loud hissing sound when I hold the gas pedal down at a certain point, one connection I have found loose, but I dont know if its big is the horizontal plastic piece at the front of the engine slides left and right a little causing a very loose connection between that and the heat shield of the stillen intake. If you pull on that a little, you can open the gap up wider, if that makes sense..
 
  #18  
Old 08-05-2007 | 02:33 AM
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Originally Posted by Granto86
Yea, it seems to run fine, just there is a loud hissing sound when I hold the gas pedal down at a certain point, one connection I have found loose, but I dont know if its big is the horizontal plastic piece at the front of the engine slides left and right a little causing a very loose connection between that and the heat shield of the stillen intake. If you pull on that a little, you can open the gap up wider, if that makes sense..
I dont know where it is, and i refuse to look at 230 am for you(sorry, very tired), but there is numerous threads on the stillen intake causing a "hissing". It has been said that people have been deterred(sp) away from it, because of the noise. I have a stillen, and i get the whistling. Sometimes people ask me if my car is supercharged! haha! Just gotta deal with it, or read the 10000+ pages on it!
 
  #19  
Old 08-05-2007 | 02:34 AM
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Originally Posted by ISMSOLUTIONS
Hey...PSSHHHTTTTT you!!
HEY! PSSSHHHTTT off buddy!!
 
  #20  
Old 08-05-2007 | 05:59 AM
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I have a 2005 G35 with the Injen CAI and get the same sound you are talking about. I have even tried removing the air filter and still get the sound. I have no clue what it is.
 
  #21  
Old 08-05-2007 | 11:19 AM
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Originally Posted by Corvettekid
HEY! PSSSHHHTTT off buddy!!
You know where you can stick that PSSSHHHTTTT!!!



Right in your WWWWOOOOSSSHHHHH!!!
 
  #22  
Old 08-05-2007 | 11:22 AM
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Almost all CAI's whistle guys - the increased amount of air being breathed in, passes certain areas along the way and create the whistle. It takes just the right amount of force and volume to do it...

It's nothing to troubleshoot if everything is working fine. Some have more whistle than others...

What I did, when I had my Stillen back when I was NA, was to wrap the whole Stillen box and seal it. That left no openings, but once in a blue moon - it did whistle - that was likely from the MAF or or the butterfly on the throttle body.

Rick
 

Last edited by ISMSOLUTIONS; 09-02-2007 at 04:39 PM.
  #23  
Old 08-30-2007 | 03:48 PM
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I have a Z-tube and K&N drop in filter & mine whistles too when slightly accelerating.....sounds kinda cool if you ask me.
 
  #24  
Old 08-30-2007 | 04:10 PM
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Originally Posted by ISMSOLUTIONS
I get this HUGE WWWOOOOSSSHHHH when I drive my car, also a loud whistle at idle, stagnant throttle, and when the car shifts I get this annoying PPSSSHHHHTTTT sound....

Opps...oh yea...it's the BLOWER!!!
+1 hahahha, that great. Yeah I can't hear mine over all the other noises either and then the exhaust.
 
  #25  
Old 08-31-2007 | 01:26 PM
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I would be concerned about a couple things. And, not knowing how long ago you installed your Stillen or how clean you keep things...

1. A dirty K&N filter is basically a cork. There will be so much vacuum built up in the intake that when you turn the car off, the vacuum equalization will cause the intake to sound like it is still sucking in air. It is. It has nothing to do with pistons still moving. K&N's get dirty fast and should be cleaned at every oil change. The BS about them filtering better as they get dirty is only true in that they do in fact restrict more air... less air means less dirt too. Take it off, run the car and turn it off. Same noise? I bet not. That dirty filter is sacrificing the very reason you spent the money on it to begin with.

2. If there is a hissing comiing from your newly installed spacer, better check for bad sealing. This can be done easily:
a. Obtain a can of engine starting spray from the auto parts store.
b. remove engine cover
c. with engine running, spray the fluid directly at the seams of the
plenum/spacer and other areas that may be suspect for a vacuum leak.
If the engine speeds up at any time, the starting fluid is being sucked
into the leak and you have found it.

Starting fluid is highly volatile and evaporative so any excess will dissipate almost instantly.

Good luck.
 
  #26  
Old 09-02-2007 | 02:46 PM
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From: pinellas county FLA, queens N.Y.
Originally Posted by The_Scooch
I would be concerned about a couple things. And, not knowing how long ago you installed your Stillen or how clean you keep things...

1. A dirty K&N filter is basically a cork. There will be so much vacuum built up in the intake that when you turn the car off, the vacuum equalization will cause the intake to sound like it is still sucking in air. It is. It has nothing to do with pistons still moving. K&N's get dirty fast and should be cleaned at every oil change. The BS about them filtering better as they get dirty is only true in that they do in fact restrict more air... less air means less dirt too. Take it off, run the car and turn it off. Same noise? I bet not. That dirty filter is sacrificing the very reason you spent the money on it to begin with.

2. If there is a hissing comiing from your newly installed spacer, better check for bad sealing. This can be done easily:
a. Obtain a can of engine starting spray from the auto parts store.
b. remove engine cover
c. with engine running, spray the fluid directly at the seams of the
plenum/spacer and other areas that may be suspect for a vacuum leak.
If the engine speeds up at any time, the starting fluid is being sucked
into the leak and you have found it.

Starting fluid is highly volatile and evaporative so any excess will dissipate almost instantly.

Good luck.
THIS MAKES ALOT OF SENSE ..

LLMFAOO @ THE PSSSHHTTTTT ..

I WANNA PSHHTTTTTT TOO . =\

LOL
 
  #27  
Old 09-02-2007 | 04:42 PM
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From: SoCal
Originally Posted by IMAFUKINRIDER
THIS MAKES ALOT OF SENSE ..

LLMFAOO @ THE PSSSHHTTTTT ..

I WANNA PSHHTTTTTT TOO . =\

LOL
HAHAHAHAHA...PSSHHHTTTTTT Wanna be!!!
 
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