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The standard power of your Hummer H3 3.7 242hp vehicle is factory 242 hp / 328 nm. After Hummer H3 chip tuning custom vehicle software, your vehicle will gain +18 hp / +22 nm additional power and reach a total power of 260 hp / 350 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.
Hummer H3 3.7 242hp chip tuning stage1 file is completed in about 1-2 hours.
| Type of fuel | petrol |
| Method | Chiptuning |
| Tuning type | Stage 1 |
| Cylinder content | 3653 CC |
| Compression ratio | 10.00 : 1 |
| Bore X stroke | 95.50 X 102.00 mm |
| Engine number | LLR |
| Engine ECU | Ac Delco E67 |
| Gearbox ECU |
