You can request for a Tuning Calibration for your Hummer H2 2003 - 2007 6.0 V8 316hp vehicle on our file service site.
These Tuning Calibrations always made in real time suited to your needs and cars maximum ability.
All our Tuning files are made with maximum precision and care to be efficient.
In this particular case, we can increase the power of your engine from 316 HP to 335 HP, 522 Torque to 545 Torque within a Stage1 Calibration package.