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  1. 07.5-10 LMM Duramax Powertrain
    So, I bought a used 2008 3500HD 4x4 Crew Cab Dually. Living in PA, I am required to have a muffler. The exhaust was replaced at some point with nothing but straight pipe. I cannot for the life of me find an exhaust kit that goes from the downpipe back that includes a muffler. Does anyone...
  2. 01-04.5 LB7 Duramax Powertrain
    Hey there fellas I’m pretty new to the Duramax gang and need some guidance before I throw any more money at the wrong issues. I recently purchased a used CA 2002 Chevy 2500 short bed crew cab 4WD with 180,000 miles from a local dealership and didn’t have any problems when I was test driving...
  3. 01-04.5 LB7 Performance Parts Discussion
    i was wondering if i could use a piece of stove piping as a temporary muffler delete until i get an exhaust?
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