up to 60 HP and 139 NM extra
2007 - GMT 900 6.6 Duramax 360ch 360ch 881nm
€900
No standardised program here, but an optimisation created specifically for your vehicle.
30 years of experience in developing remapping files, that's reassuring!
Our relationship doesn't end with the intervention - the follow-up of your car is ensured in the long term.
