Originally Posted by Dustin@Z1

For sake of comparison, what is the wall thickness of your NISMO Sway Bars (not the S-Tune ones you purchased)?? This is where the NISMO S-Tune way bars get their added strength without having to increase the physical diameter of the tubing. There should be a difference in thickness.

To find this out, measure the thickness of the flange where the end links attach. OEM style sway bars are formed by samping a hollow tube. The thickness of this flange will indicate whether or not they are indeed an upgrade for the NISMO.