DOC #CERT-927F-825D-7EBB
26.10.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
26.10.2026
Chevrolet HHR
2005 - 2011 • 2.4i 170hp • Petrol
Original
170HP
222 Nm
➤
Stage 1
180HP
237 Nm
▲ +10 HP / +6% ▲ +15 Nm / +7%
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.