Did you know?The GMT900 Chevy Avalanche was introduced at the Chicago Auto Show in February 2006.
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Well boys the muffler is on!! Wow!! This thing really sounds mean, I absolutely love it!! It has a little cabin drone, around 1700-1800 rpm's, right before it shifts from 1st to 2nd and 2nd to 3rd. But other than that it's nothing that the radio can't fix!!