DOC #CERT-E442-3957-632F
07.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
07.09.2026
Indian 1811 Chieftain
2014-2019 1811 chieftain classic 84HP Petrol
Original
84HP
151 Nm
Stage 1
128HP
173 Nm
+44 HP / +52% +22 Nm / +15%
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.