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Discussion Starter · #1 ·
I just put a cobb cai on my car and it's making a noise that sounds similar to blowing on a jug but at a higher pitch. It happens at lower rpms. What could cause this? Boost hits just under 22 so I assume there are no leaks. It resonates and sounds horrible.

Thanks for any ideas.
 

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The stock intake makes a noise like that too. It comes on around 2k to about 2300 rpm. With the Mountune intake, it's even louder. It reminds me of straw sucking noise. I hardly notice it now though.


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