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Thread: Credits

  1. 10-07-2014 #1
    sagola11
    sagola11 is offline
    Tuner in Training
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    Mar 2014
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    Credits

    If I apply 6 credits to 99 to 07 silverado and GMC Sierra will that be unlimited usage for those years and models?????
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  2. 10-07-2014 #2
    Keith@HPTuners
    Keith@HPTuners is offline
    HP Tuners Owner Keith@HPTuners's Avatar
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    You'd have to do it for each year.
    We got this guy Not Sure, ...
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