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← Cummins QSX engines

Cummins QSX

I · 500 14.95L 509hp (374kW) 2416Nm
Stage 1
OriginalAfter tuningDiff
Power hp509 600 +91
Torque Nm2416 2870 +454
Power gain
+18%
Torque gain
+19%
Fuel economy −9%
Before
33.9 L / 100 km
After tuning
30.8 L / 100 km
Saves ≈ 3.1 L / 100 km — about 3 150 L (over 100 000 km) ≈ €5 512
Estimate for a typical duty cycle · real saving depends on load & driving style
Ready to feel these +91 hp on the road?
Get your ready-to-flash Stage 1 file for the Cummins QSX
Order tuning file
Original file back-up Delivered in ~30 min Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph