DOC #CERT-9C5F-9EF9-E33C
08.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
08.09.2026
Qj Motors Srv
2023 srv550 47HP Petrol
Original
47HP
51 Nm
Stage 1
52HP
56 Nm
+5 HP / +11% +5 Nm / +10%
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.