DOC #CERT-1823-9B6B-8040
12.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
12.09.2026
Porsche 911
2011 - 2015 ( 991 ) 3.8i Turbo 520hp Petrol
Original
520HP
710 Nm
Stage 1
600HP
800 Nm
+80 HP / +15% +90 Nm / +13%
Estimated Power and Torque Curve
Stage 2 Available
620 HP / 820 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.