DOC #CERT-916E-2829-8F8F
09.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
09.09.2026
Jaguar XKR
All 5.0 V8 S Supercharged 550hp Petrol
Original
550HP
680 Nm
Stage 1
570HP
720 Nm
+20 HP / +4% +40 Nm / +6%
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.