The 4x4Wire JK recently underwent a slight transformation - from stock to gears, lockers, and lift. That change included new (larger) tires. And, that resulted in a “bump steer” issue that has now been corrected.
The ultimate solution is the ATS Stabilizer from Fox. While the Fox ATS Stabilizer is designed to be a direct replacement with a factory suspension, the 4x4Wire JK does have an aftermarket suspension which does entail a little more than just bolting it on. Installation was quick with little in the way of problems.