DOC #CERT-52AA-D6D8-3A63
09.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
09.09.2026
Pontiac GTO
2004 - 2006 6.0 V8 400hp Petrol
Original
400HP
542 Nm
Stage 1
420HP
570 Nm
+20 HP / +5% +28 Nm / +5%
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.