Quote Originally Posted by Allstar3.8T
Before you swap the snail, Do you already have the GLI chipped, DP, 2.5" Exhaust, and the other things to maximize the OEM turbo? If not, you should do that stuff first IMO, It'll probably be enough for you. Big turbo cars have big turbo probs, unless you do a K04 like Paul said....but w/ having a K03s OEM, it wont be as big a difference as if you had a plain K03. Most people want power, and quick spool up, Big turbos generally make that hard unless you get into the head.