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GMC Sierra 6.6 V8 445hp ECU Tuning File

GMC Sierra 6.6 V8 445hp

2017 ->

Power +55bhp
Stock
445bhp
Tuned
500bhp
Torque +116Nm
Stock
1234Nm
Tuned
1350Nm
Make
GMC
Model
Sierra
Generation
2017 ->
Engine
6.6 V8 445hp

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The GMC Sierra 6.6 V8 445hp (2017 ->) produces 445bhp and 1234Nm in standard form. Our Stage 1 ECU tuning file raises output to 500bhp and 1350Nm, a gain of 55bhp and 116Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.

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