Ok guys this is what i got Injen CAI, AEM Pulley, TRD Exhaust, 17" RH CR-EVO and I just got the eibach springs in my car. I dont know where to go from now. I want sugestions from all of you guys. I thinking in putting a groundwire kit and some HKS sparkplugs, what do you guys think??. What should i get??????. I dont have the money for the Blitz supercharger and I dont want to put any suspension part for now. And I want something that really works. Help me guys...By the way What the function of the flywheel, i mean how does it work??...