DOC #CERT-0B53-8C24-A9E1
07.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
07.09.2026
Chevrolet Impala
2006 - 2014 3.9 V6 245hp Petrol
Original
245HP
240 Nm
Stage 1
265HP
265 Nm
+20 HP / +8% +25 Nm / +10%
Estimated Power and Torque Curve
Customer
Chassis
Date
Signature
Stamp
NOTICE: This document represents estimated values based on database information. It is not valid as official certification without the original handwritten signature and physical stamp of the authorized technician. Performance values may vary based on vehicle condition, fuel quality and operating environment.