DOC #CERT-FA43-838F-4B87
14.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
14.09.2026
Jeep Grand Cherokee
2011 - 2020 Tackhawk 6.2 V8 Supercharged 707hp Petrol
Original
707HP
875 Nm
Stage 1
740HP
918 Nm
+33 HP / +5% +43 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.