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  1. Donnan

    Cat delete custom tune an true duals

    Hey guys just wondering what gains there are to be made with a catalytic converter delete custom tune a true dual exhausts ?
  2. Donnan

    1998 4L60E & 2005 4.8 LS

    Hey everyone looking for info if I can use my low mile 137,000km 4L60E original transmission with a 2005 4.8 LS SWAP hopefully someone with more engine transmission knowledge then myself will chime in on the discussion
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