DOC #CERT-B5D7-B808-7D0C
12.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
12.09.2026
Opel Astra
(G) - 1998 - 2004 2.0i 16v 136hp Petrol
Original
136HP
188 Nm
Stage 1
146HP
203 Nm
+10 HP / +7% +15 Nm / +8%
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.