DOC #CERT-5A77-507A-0F3C
08.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
08.09.2026
Audi A8
D3 - 2003 - 2010 4.2 TDI 326hp Diesel
Original
326HP
650 Nm
Stage 1
380HP
880 Nm
+54 HP / +17% +230 Nm / +35%
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.