The Volkswagen Polo 1.6i 16v 105hp (2005 - 2009 ( 9N3 )) produces 105bhp and 148Nm in standard form. Our Stage 1 ECU tuning file raises output to 120bhp and 170Nm, a gain of 15bhp and 22Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.