Whistle sound when I turn off engine

[Nismor]

Okay so like the tittle says when I turn off the engine I hear what sounds like a whistle... Is this just me or is this common?

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[Merlins Beard]

do you whistle every time you get out of your car?
any more info?

 

[Ryan659]

Does it sound like it's coming from the intake manifold? If so, mine does the same thing and I've been told it's normal.

 

[Nismor]

Well I haven't had the time to really check it out I need to do that this Friday when I get a day off. It sounds kinda like an air leak/whistle... And yes sometimes I do whistle lol

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[Black teg]

Do you have a intake on your car? If so then the air filter well make a little bit of noise when you shut the car off. That is normal. All aftermarket intake will do that a little bit, just some you hear more then others depending on the size of the air filter.

Mine does it as well. It's nothing to worry about.