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Tuning file Trucks Paccar Peterbilt 337 520 567 2009 → 2015 → 2013 → Heavy Duty Medium Duty PX-9 PX-9 8.9L R6 300 hp 1166 Nm (PX-9)

Parameters Standard Chiptuning Difference
BHP 300 hp 360 hp 60 hp
Torque 1166 Nm 1306 Nm 140 Nm
Standard
BHP 300 hp
Torque 1166 Nm
Chiptuning
BHP 360+60 hp
Torque 1306 +140 Nm
Parameters Standard Chiptuning Difference
BHP 300 hp 360 hp 60 hp
Torque 1166 Nm 1306 Nm 140 Nm