Engine power
Power hp
+55
hp
Original
445 hp
Stage 1
500 hp
Gain
+55 hp
Chiptuning GMC Sierra 6.6 V8 445hp Diesel
ECU Chiptuning Performance Results
Estimated power and torque gains after Stage 1 ECU remapping
Engine torque
Torque Nm
+116
Nm
Original
1234 Nm
Stage 1
1350 Nm
Gain
+116 Nm
To order chip tuning, contact us
Engine specifications
Type of fuel
Diesel
Method
Chiptuning
Tuning type
Stage 1
Cylinder content
6359 CC
Compression ratio
16.0 : 1
Bore X stroke
103.0 X 99.0 mm
Engine number
DURAMAX L5P
Engine ECU
Delco E41
About this tuning file
Chiptuning File for GMC Sierra 6.6 V8 445hp
AutoChip.lv - Professional chiptuning service for GMC Sierra 6.6 V8 445hp We specialize in high-quality ECU remapping, DPF and EGR solutions, AdBlue off options and performance optimization for GMC Sierra 6.6 V8 445hp tuning file is custom-made and thoroughly tested on a 4x4 state-of-the-art dynamometer to ensure maximum engine performance and reliability. Our experienced programmers leverage the latest advancements in ECU remapping software, creating each GMC Sierra 6.6 V8 445hp tuning file with precision and dedication.
Trusted by car owners and tuning specialists, our chiptuning service for GMC Sierra 6.6 V8 445hp focuses on achieving strong performance gains while keeping the engine within safe limits. Our ECU remapping solutions are designed to improve power delivery, torque and driving dynamics for GMC Sierra 6.6 V8 445hp vehicles while maintaining stable operation and long-term reliability.
Looking for Stage 1 ECU chiptuning for your GMC Sierra?
We provide professional remapping, error correction and performance optimization using original equipment with a full service guarantee for GMC Sierra tuning files today
Please find also our complete chiptuning tools / tuning tools packages. Contact us for the best possible deals! Please feel free to contact us for additional information about GMC Sierra tuning files via the contact form .
Choose your vehicle
To view the chip tuning options available for your vehicle, select the make, model, year and engine.