DOC #CERT-71CB-121F-4DD4
07.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
07.09.2026
Audi A8
D3 - 2003 - 2010 S8 5.2 FSI 450hp Petrol
Original
450HP
540 Nm
Stage 1
475HP
565 Nm
+25 HP / +6% +25 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.