DOC #CERT-5642-B954-A4B8
08.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
08.09.2026
Chevrolet Silverado
1999 - 2007 6.0 V8 300hp Petrol
Original
300HP
488 Nm
Stage 1
320HP
510 Nm
+20 HP / +7% +22 Nm / +5%
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.