hey guys found about your website from a buddy on f-150.net, i have 04 f-150 with the 5.4 litre engine and i have the edge evolution and a k&n cold air intake and a magnaflow exhaust,, my ?? is i was considering the gryphon. what should i expect from the change also i plan to upgrade the throttle body to a bbk and a efan kit?? should i wait to do the gryphon till then...any help is greatly apprecieted
