Does my 1993 diesel pickup truck need a muffler?

I have an 1993 GMC sierra 2500 and I'm going to put stacks on it, but first I want to make sure I can take off the muffler and it will still pass inspection.

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One Response to Does my 1993 diesel pickup truck need a muffler?

  1. Doug W May 30, 2009 at 6:03 am #

    still needs mufflers.