I've done mine, I got an upper from a wreckers and the lower from BAT. I already had the SVT throttle body fitted to my stock intakes. The Lower made more of a difference than the upper alone, have not got dyno figures though...
5 Dr, 2.5 V6 Ghia X, 1999 Modifications:- Inventor of the inductive Secondary monitor Chrome grill JR cone air filter Black Diamond cross-drilled & grooved discs with Predator pads, ST200 throttle body, upper and lower extrude-honed intake manifolds Scorpion s/steel exhaust Current Project.. Building a ST200 powered MKI paullorman@btopenworld.com