Not going to knock Steeds stuff its good but my car dynoed 160hp at wheels with New Mission intake lunchbox delete. Just my opinion but best bang for buck. I don't think there would be much improvement. I also did a run with air box cover off and got just 2 more horse.
65 Racestang 2012 Focus SE HB Sport Pac 5 speed man. NewMission Cold Air, Custom 3" Magnaflow exhaust, Steeda Rear Sway Bar, Eibach sportline springs, Steeda STS, Axis wheels, Blox shift knob, Focus elecrtic RMM, Injected 93 Tune V1 176HP 152Torque