Chip Tuning

ECU Remapping GMC sierra
6 6 duramax 365hp1999 2007

Gain up to +30 HP and +51 Nm with our professional chip tuning.

365 CV

HP stock

395 CV

HP tuned

894 Nm

Nm stock

945 Nm

Nm tuned

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Data not available

ID: 4847

What the GMC sierra 6 6 duramax 365hp ECU remap includes

GMC sierra engine map optimisation
Power and torque increase (Stage 1)
EGR removal or optimisation
DPF / FAP removal (track use only)
Launch Control and Flat Shift
Speed limiter removal (Vmax Off)
Pops & Bang / Crackle Map
Start & Stop deactivation
ECU file delivered by email within 24h
Post-tuning technical support

Chip tuning GMC sierra: everything you need to know

The GMC sierra 6 6 duramax 365hp ECU remap is one of the most effective ways to unlock your engine's hidden potential. Manufacturers set their ECUs conservatively for commercial and homologation reasons: with a custom map you can recover real performance without compromising reliability.

Our GMC sierra chip tuning service involves analysing the original ECU file, professionally modifying the injection, timing, boost pressure and thermal management parameters, and returning the tuned file directly by email.

For the GMC sierra 6 6 duramax 365hp (1999 2007) our data shows an average gain of +30 HP and +51 Nm, reaching 395 HP and 945 Nm in total.

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GMC sierra remap — delivered within 24h by email.

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