GMC Sierra 5.3 V8 355hp Tuning File
Performance Gains
Standard Power
355hp
Tuned Power
375hp
Power Gain
+20hp
Standard Torque
519Nm
Tuned Torque
540Nm
Torque Gain
+21Nm
Vehicle Details
Fuel Type: Petrol
Engine Capacity: 5328 CC
Control Modules
Delco E92
About This Tuning File
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.
Other Engine Variants
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