hockeyizlife94
3/1/2007 3:12:49 PM
hey i just got a new 99.5 jetta vr6, and i was wondering what caused the 25 hp gain in 2003...can i do it to my car? i am not sure if it was just ecu adjustment or what?
rookie mechanic
3/2/2007 2:13:19 PM
was your car a v6? Maybe bigger cylinders.