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Welch1082
03-17-2006, 05:56 PM
What size turbo comes stock in a 99 a4 quattro?
and what psi do they run?

Daft
03-17-2006, 06:01 PM
It is a KKK K03-005 turbo.

Stock ECU programming regulates boost at 7-8Psi.

Welch1082
03-18-2006, 03:51 PM
If i were to do a ko4 up grade what would i have to do? or get?

LateraLex
03-18-2006, 04:25 PM
Hey Welch you find much better information if you use the search button at the top of the page. Try searching "k04 upgrade"

AudiA4_20T
03-18-2006, 09:34 PM
yea man this is like top 5 most discussed things ever... Or PM someone with a K04 setup

boostedup
03-18-2006, 09:40 PM
like other said use the search, but to not be a waste of a post, get started by getting a KKK K04-0015, 710N Diverter Valve (from a Audi TT). and then some Software. then when u have those things, hit the search button and find out what else u need.