High Pitch Sucking from intake under 2500 RPM's

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09-10-2006, 04:37 AM

dafertilizer

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High Pitch Sucking from intake under 2500 RPM's

Just like the title says, I have a Pop-charger intake for about 6 months now, and only recently I noticed that when the car is under 2500 RPMs there is this High pitched sucking noise comming from the intake??? as soon as i hit 2600 RPMs it goes away???
WHY?
do our cars suck in air in a different velocity or pressure at low RPM's ???

09-10-2006, 04:52 AM

amimaxima

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you might have an air leak and that will cause the intake to make a whistling noise like a supercharger

09-10-2006, 07:13 AM

dafertilizer

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Ah haa.. I do have a hole right after the resonator where I had my Nitrous jet, I just had a screw in there, I'll go check that.
THanks

09-10-2006, 10:00 AM

jklx86

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yea i hear a whistling noise too but i thought i read somewhere that it was normal.

09-10-2006, 11:46 AM

reeloop

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yeah its normal, his just developed though so its not the same noise you are talking about

09-10-2006, 01:50 PM

dafertilizer

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Ok i checked that bolt, and re-sealed it up, and the whistle is still there, there strangest thing about it is it only does it up to 2500 RPM's....
It's like how the VIAS kicks in at 5000 RPM's and you hear a totally different sound to the intake, except this is like a high pitch suction up to 2500...
???????