DOC #CERT-46C4-BA04-47D5
17.10.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
17.10.2026
DAF XF
All • 381 381hp • Diesel
Original
381HP
1750 Nm
➤
Stage 1
455HP
2050 Nm
▲ +74 HP / +19% ▲ +300 Nm / +17%
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.