Everybody above seems to be going back and forth on what is most important to do first. For optimal results, BMR recommends that you mod in this order:
1: Cradle (subframe) Insert bushings - every component in your rear drivetrain and suspension mounts to the rear cradle yet the cradle is mounted to the body with high deflection rubber bushings. Reducing this movement with cradle bushing inserts will allow the suspension to do its job more efficiently.
2: Sway bars - Despite what some believe, there is no other single suspension mod that will give you as much seat-of-the-pants improvement then a good set of sway bars. If there is any doubt just create a thread titled "Do bigger sway bars make a difference?" and see what you get. BMR sway bars are fully adjustable front and rear and do not compromise ride quality in any way. Our base rates designed into the sway bars were specifically calculated to neutralize understeer in this platform and the user has 3 rate choices to choose from. This is simply a no-brainer mod for this 3800 pound car.
3: Lowering springs - Unless you are only after cosmetic mods, we recommend lowering springs as the third mod, after the base is set and the body roll is neutralized. The lower center of gravity combined with slightly stiffer spring rates really compliments a set of sway bars.
There are other products in addition that can be recommended beyond these mods however, based on your goals, these would be our recommendations...