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
279 HP
After Tuning
295 HP
Power Difference
+16 HP
Original Torque
373 NM
After Tuning
395 NM
Torque Difference
+22 NM
+16 HP / +6%
+22 NM / +6%
2004 - 2007 · 4.2 V8 279hp
Unlock +16 HP & +22 NM for your Buick Rainier.
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