Chiptuning / Softwareoptimierung: GMC Sierra 6.2 V8 420 PS (2017 ->) processing via:Sending in the control unit The original positions of the

The original positions of the lambda sensors must be retained

Lowering VA/HA (mm): 25-50/20-50

Original STAGE 1 Power 150 hp 190 hp +40 hp Torque 330 Nm 430 Nm +100 Nm Please note: The stated performance figures are averages and may vary depending on the vehicle

8 FSI 220 HP (C6 - 2008 - 2010) with a precise chip tuning solution from Stefanel Performance

0 Turbo 276 HP (2013 ->) with a precise chiptuning solution from Stefanel Performance

Chiptuning / Softwareoptimierung: GMC Sierra 6.2 V8 420 PS (2017 ->) processing via:Sending in the control unit The original positions of theIncrease the power of your GMC Sierra 6. 2 V8 420 HP (2017 >) with a precise chip tuning solution from Stefanel Performance. Our EVC certified developers ensure that your vehicle's essential engine protection functions remain active, while you can rely on a noticeably improved performance. Original STAGE 1 Power 420 HP 440 HP +20 HP Torque 609 Nm 630 Nm +21 Nm Please note: The stated performance figures are average values and may vary depending on the