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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 380 hp 1559 Nm (PX-9)

Parameters Standard Chiptuning Difference
BHP 380 hp 456 hp 76 hp
Torque 1559 Nm 1746 Nm 187 Nm
Standard
BHP 380 hp
Torque 1559 Nm
Chiptuning
BHP 456+76 hp
Torque 1746 +187 Nm
Parameters Standard Chiptuning Difference
BHP 380 hp 456 hp 76 hp
Torque 1559 Nm 1746 Nm 187 Nm