Hey Everyone check out these SuperPro videos, view the benefits of having these polyurethane bushings versus the OEM rubber bushings.
As you can see the major difference between the stock and SuperPro bushings.
For more information on suspension and bushings and how it benefits doing the change over from rubber bushing to polyurethane bushings check out this other video.
For information on how you can purchase SuperPro check out the following link http://www.tein.com/products/superpro.html