DOC #CERT-8124-0AF2-4D53
09.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
09.09.2026
Chevrolet Cobalt
2008 - 2010 SS 2.4 173hp Petrol
Original
173HP
221 Nm
Stage 1
190HP
240 Nm
+17 HP / +10% +19 Nm / +9%
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.