I recently threw some parts on my Roush Stage 2 to address wheel hop and the loose feeling IRS.
Steeda IRS Subframe Bushings
Steeda Differential Bushing Inserts (red)
Steeda Vertical Links
Steeda Toe Links
Steeda IRS Braces
Steeda Bumpsteer Kit
Eibach Sportlines
Eibach Sway Bars...