Hummer H1 -> 2006 6.6 V8 305hp ECU Remapping
A professional ECU remap can optimise the way your Hummer H1 delivers power and torque, helping the vehicle feel stronger, smoother and more responsive in everyday driving.
The expected Stage 1 figures for this vehicle show an increase from 305 BHP to 325 BHP, with torque improving from 820 Nm to 850 Nm.