Performance Upgrade
Standard fuel
Calculated with the standard fuel your engine type uses.
Standard maintenance
Average engine condition, no modified hardware.
Safe calibration
Conservatively tuned within safe margins.
We communicate the minimum guaranteed gain, not marketing numbers. In practice the results are often higher.
Original Power
420 HP
After Tuning
440 HP
Power Difference
+20 HP
Original Torque
569 NM
After Tuning
590 NM
Torque Difference
+21 NM
+20 HP / +5%
+21 NM / +4%
2005 - 2011 · 6.1 Hemi V8 420hp
Unlock +20 HP & +21 NM for your Jeep Grand Cherokee.
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