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← Cummins QSX engines

Cummins QSX

I · 450 14.95L 459hp (338kW) 2102Nm
Stage 1
OriginalAfter tuningDiff
Power hp459 550 +91
Torque Nm2102 2510 +408
Power gain
+20%
Torque gain
+19%
Fuel economy −9%
Before
30.6 L / 100 km
After tuning
27.8 L / 100 km
Saves ≈ 2.8 L / 100 km — about 2 827 L (over 100 000 km) ≈ €4 948
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