The Chrysler PT Cruiser 1.6i 115hp (2004 - 2010) produces 115bhp and 157Nm in standard form. Our Stage 1 ECU tuning file raises output to 124bhp and 172Nm, a gain of 9bhp and 15Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.