[10bv01]

Modifying the ECU - AKA "Chipping" requires that you go to a shop, search for, and read the Chipping/Software Discussion.

 

[Dragon]

does that require a lot of mechanical skill to install that??? what kit would you recommend ?? i am looking for acceleration than i am top end

More computer skillz- but you have to take it to a shop. Some places will allow you to remove your ECU and send it in to them. So when you hear the term "chipping" the car, it's sort of the same thing, but it's really just a software upgrade. Here are some resources for you to check out:

http://myfastgti.com/vwgti/index.php/topic,693.0.html

(Revo and some others have a 5 hour demo to go try-before-you-buy the upgrade)

http://www.revotechnik.com/locateDealer/americas.aspx
http://www.giacusa.com/
http://www.oettinger.com.au/oau_vwgolf5gti_et.html
http://www.goapr.com/VW/index.html