Great, same as mine, I went through all the bolt on parts before the Supercharger, I have under drive pulleys and high output coils if you want them and don't have them already. The Saleen Supercharger and JDM Tune brought me up to 575HP 475 RWHP 440 RWTQ but cost me about 10k with all the good...
You will need to go with an adjustable upper control arm, so you can set the pinion angle. I went with the BMR adj. control arm and mount, the stock mount is to flimsy. I have seen them on Ebay.