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  1. bombero37a

    Lund Bed Extender Install on 2023 Carbon Pro AT4

    After scouring the internet for an install tutorial or tips on how to install a Lund Bed Extender on my 2023 Carbon Pro AT4, I received an IM from a guy who had done it by assembling the extender, attaching the brackets and lining it up, marking the holes and drilling. He then put in rivet nuts...
  2. bombero37a

    Anyone have a LUND Bed Extender installed on the Carbon Pro bed?

    I purchased a LUND bed extender directly from GMC for my 2023 Sierra AT4 Carbon Pro. Was wondering if anyone has this set up, and if so, any install tips?
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