The wheels are hurting you. Thats the downside of having nice wheels sometimes. Pullies will definitely help, but feelings are very mixed when it comes to the UR pullies. You could also add an Intake
, the gains are good, but not the best. I do not think that we have a very reliable aftermarket rigth now for cam gears, so I don't know about those. Weigth reduction may help a bit, seats, carbon fiber Hood
, light weight parts (greddy exhaust is heavy).
Do some more exhaust work, header, custom mid pipe. Do some head and internal work, but that will cost you some money. Sorry this is really jumpy, its late and my mind is just rambling. Hope it gives you some ideas