DOC #CERT-5D31-1DDB-F0E2
09.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
09.09.2026
Cadillac Seville
All 4.6 STS 305hp Petrol
Original
305HP
400 Nm
Stage 1
325HP
420 Nm
+20 HP / +7% +20 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.