VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
Hey guys, I have an '03 Jetta GLI VR6 24V and i'm looking for more power. I already have a Injen CAI and a Magnaflow catback. Is there anything for programmers/chips? All I have heard/seen is that you have to change out the ECM. Possible turbo or supercharger? If so, what kits? Also, what is a...