GMC Sierra · 2017 ->

6.6 V8 445hp Stage 1 tuning

The GMC Sierra 6.6 V8 445hp produces 445 hp and 1234 Nm as standard. The YASTUNING Stage 1 remap file takes it to 500 hp and 1350 Nm, a gain of +55 hp and +116 Nm. Engine code DURAMAX L5P. ECU: Delco E41. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.

Power
445 hp 500 hp +55 hp
Torque
1234 Nm 1350 Nm +116 Nm

Engine specifications

Engine code
DURAMAX L5P
Fuel
Diesel
Displacement
6359 cc
Compression
16.0 : 1
Bore × Stroke
103.0 X 99.0 mm
ECU
Delco E41