DOC #CERT-9F1E-B441-C0A5
27.10.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
27.10.2026
Porsche 911
2004 - 2011 ( 997 ) • GT3 RS 3.8i 450hp • Petrol
Original
450HP
430 Nm
➤
Stage 1
470HP
470 Nm
▲ +20 HP / +4% ▲ +40 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.