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    Rumbling noise on my 2011 Tahoe Z71

    I have a rumbling noise underneath my Tahoe when it goes form V4 to V8 when I let off the gas I read somewhere it has something to do with the exhaust / muffler it had a single flowmaster muffler on it when I got the Tahoe it was loud so I put a quite muffler on it but its still have the dual...
  2. I

    Strange growling noise

    Growling noise I have the same noise on my 2011 Z71 Tahoe , I sure wish somebody can tell us what it is.. It's driving me nuts.
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