DOC #CERT-D955-6969-A20A
10.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
10.09.2026
Porsche 911
2004 - 2011 ( 997 ) Carrera S 3.8i 355hp Petrol
Original
355HP
400 Nm
Stage 1
375HP
420 Nm
+20 HP / +6% +20 Nm / +5%
Estimated Power and Torque Curve
Stage 2 Available
385 HP / 435 Nm
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.