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catalytic converter

  1. ⁉️2016 LML Catalytic Converter LOOKING TO BUY

    General Discussion
    I need an OEM Catalytic Converter for a 2016 2500 GMC. where can i get one?
  2. Catalytic converter delete/egr blocker plate

    04.5-05 LLY Duramax Powertrain
    just bought my 2005 LLY duramax and was wonder what suggestions/input anyone may have as far as taking off my cat converter and what to put in place of it. i'm looking at a dual 4" stack kit from but am not quite sure if this will bolt right up after i remove the cat. also i'm...