I added a tubular adjustable pan hard rod to my ride.. My suspension mods are Strut Tower brace and the panhard rod. Is it just me or did this tubular pan hard with poly bushings stiffen the rear up a little. It seems to me to sway less and be more reponsive. Is this in my head?

 

The panhard rod does not affect sway, it simply locates the axle laterally. It possible might feel more responsive because the axle is being held in place more effectively, less movement, better feel.