Check that sound (Tuner)
nah, that's fine then...
I checked the instructions before too... yours doesn't have it...
it must have that new "power core" filter... the one that looks like a bunch of plastic straws stuck together lol...
have seen others with that new power core filter...
They have a great product but very poor stuff for respond and deal with customer
by the way the finally send me the CROM file that allow you to tune
2009 & 2010 GM truck
(trinity_u7194-1t07bb_update.crom )
Regards
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