The Porsche Boxster 2.7i 228hp (1996 - 2004 ( 986 )) produces 228bhp and 260Nm in standard form. Our Stage 1 ECU tuning file raises output to 245bhp and 290Nm, a gain of 17bhp and 30Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.