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whoooosh air type noise.

This is a discussion on whoooosh air type noise. within the General Help forums, part of the LSx Technical Help Section category; So I can hear a rushing air type noise from 1800 through 2800 and get louder the higher the rpms ...

  1. #1
    Junior Member Chrisrip's Avatar
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    pewter
    99 z28 M6

    whoooosh air type noise.

    So I can hear a rushing air type noise from 1800 through 2800 and get louder the higher the rpms go then suddenly stops at 2800. When first taking off it dies it once I go over 3k and does not come back until I down shit and engine revamp up to those rpms or i stop and take off again. I did empty the cats last week not sure if that would cause that but I don't believe that's what it is.

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    None Shall Pass Knight's Avatar
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    Black
    99 WS.6 - Modified

    Does it only do it while driving, or can you have it in park/neutral and still hear it?

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    Junior Member Chrisrip's Avatar
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    pewter
    99 z28 M6

    It stick shift does do it while standing still

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    None Shall Pass Knight's Avatar
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    99 WS.6 - Modified

    Did it do it before you gutted the cats? If not, I'd venture to say that's the cause. If not, have you changed anything else recently?

  5. #5
    Junior Member Chrisrip's Avatar
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    pewter
    99 z28 M6

    I never really drove it b4 because it was burning up the cats when I got it so a tune up and cats are the first thing I did

  6. #6
    Smiles for 9.5 Years cammed goat's Avatar
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    Phantom Black Metallic
    2004 GTO M6

    Do you have the factory airbox under the hood? Or are you running a cold air intake? I only ask as if your intake bellows are loose or split, that could cause a vacuum leak and the noise you are describing. A cold air intake would cause a whooshing noise as it does away with the stock airbox.

  7. #7
    Junior Member Chrisrip's Avatar
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    pewter
    99 z28 M6

    Stock intake. For now hoping for Slp soon

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