Hummer H1
Hummer H1 tuning
ECU remap and chiptuning files for the Hummer H1. Pick your engine and generation below to see original vs tuned power and torque, available stages and options.
H1 -> 2006
| Engine | Fuel | Original | Tuned | |
|---|---|---|---|---|
| 6.6 V8 305hp, Stage 1 | Diesel | 305 hp | 325 hp | View → |