The Volkswagen Jetta 1.6i 8v 102hp (2005 - 2011) produces 102bhp and 148Nm in standard form. Our Stage 1 ECU tuning file raises output to 112bhp and 165Nm, a gain of 10bhp and 17Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.