DOC #CERT-4559-E345-640D
14.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
14.09.2026
Porsche 911
1997 - 2006 ( 996 ) 3.6i GT3 RS 381hp Petrol
Original
381HP
385 Nm
Stage 1
400HP
415 Nm
+19 HP / +5% +30 Nm / +8%
Estimated Power and Torque Curve
Stage 2 Available
415 HP / 420 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.