DOC #CERT-50F9-80F8-EECB
20.10.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
20.10.2026
Audi S8
2019 -> • 4.0 TFSI 571hp • Petrol
Original
571HP
800 Nm
➤
Stage 1
600HP
900 Nm
▲ +29 HP / +5% ▲ +100 Nm / +13%
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.