DOC #CERT-AD3A-C271-2919
07.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
07.09.2026
Vespa Gts
2009 -> ... GTS 300i 23hp Petrol
Original
23HP
23 Nm
Stage 1
25HP
25 Nm
+2 HP / +9% +2 Nm / +9%
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.