DOC #CERT-9163-B4E0-310B
23.10.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
23.10.2026
Chevrolet Express
2001 - 2007 • 6.6 V8 250hp • Diesel
Original
250HP
624 Nm
➤
Stage 1
280HP
660 Nm
▲ +30 HP / +12% ▲ +36 Nm / +6%
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.