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Thread: What am I hearing???? Help

  1. #1
    Tuner in Training
    Join Date
    Apr 2021
    Location
    California
    Posts
    14

    91 octane tune

    Anyone have a 91 octane tune for a 2016 Silverado 5.3 I could take a look at?
    Last edited by Patrickg925; 04-14-2021 at 08:55 PM.