I would get a chip or X-Cal 2, but make sure your getting it from a reputable company that knows what they are doing like brenspeed.com. If you can, put it on a dyno and get a tune. Thats the best way to do it.

Jim Hahn 1996 T-Red Contour SE Reborn 4/6/04 3.0L swap and Arizona Dyno Chip Turbo Kit 364 whp, 410 wtq @ 4,700 rpm