Originally Posted by uspopo
+1 on the rear sway bar. Get the 2011 STI 19mm unit with bushings and endlinks. Best bang for the buck mod for the base 2.0L Impreza.
Another +1 on the STI 19mm sway bar. The handling has noticeably improved. I felt like it eliminated much of the body roll and the understeer seemed to have gotten better as well.