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GMC Sierra 5.3 V8 355hp ECU Tuning File

GMC Sierra 5.3 V8 355hp

2014 - 2016

Power +20bhp
Stock
355bhp
Tuned
375bhp
Torque +21Nm
Stock
519Nm
Tuned
540Nm
Make
GMC
Model
Sierra
Generation
2014 - 2016
Engine
5.3 V8 355hp

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The GMC Sierra 5.3 V8 355hp (2014 - 2016) produces 355bhp and 519Nm in standard form. Our Stage 1 ECU tuning file raises output to 375bhp and 540Nm, a gain of 20bhp and 21Nm, 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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