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16 Posts
so I was just given an older hs xrt "not xrt pro" all it says is dodge cummins 6.7L on the face and I was just trying to see if anyone knows if I can switch this to the 5.9 software? I know it can be done with the xrt pro, mini max and black max but not sure if I can with this older one, there is not sd card just the cord like the bullydogs use.
