CALIBRATION UPDATE - HPTUNERS hd-cummins And program our new custom

And program our new custom tune files into your machine

Exact power gains will vary between machines but we will always be able to get the most performance possible out of your current setup

Completely open to modification

All unnecessary derates and shutdowns removed

Complete custom calibrations developed specifically for the 16-23 2

CALIBRATION UPDATE - HPTUNERS hd-cummins And program our new customIf you need a tune update then this is what you will need. When you install larger injectors, turbo or pumps then the truck will need to be recalibrated to get the most out of it. Note all the changes you have made and what tune updates you require in the truck mod list. If you need to revert back to stock tune just make a note in the mods list that you just want a copy of your stock file.