DOC #CERT-4F03-8F19-2BD7
07.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
07.09.2026
Harley Davidson 883 Xl
2011-2013 54HP 15975 Petrol
Original
54HP
71 Nm
Stage 1
60HP
76 Nm
+6 HP / +11% +5 Nm / +7%
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.