Quote:
Originally Posted by hdrolling
They were the ATP Trucks "Idaho Rob" custom tunes, some of the best you can get back in the day when I first installed them.
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Oh ya, a had the same on my 08 GMC. I now run PPEI on my 16 Denali.
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Justin W
2015.5 GMC 2500HD Denali 6.6L (tuned/deleted)
2011 Keystone Copper Canyon 314FWRLS
AirLift LoadLifter 5000s & WirelessOne Compressor