The Volkswagen Polo 1.4i 16v 80hp (2005 - 2009 ( 9N3 )) produces 80bhp and 132Nm in standard form. Our Stage 1 ECU tuning file raises output to 90bhp and 148Nm, a gain of 10bhp and 16Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.