Considering these laws, it is quite possible to design and build a safe full hydraulic steering systems that meets the requirements of all states with the exception of Tennessee. Although these laws don't specifically prohibit full hydraulic steering, that does not necessarily make it legal. That in mind, the risks of running a full hydraulic steering setup are mainly fix-it tickets and lawsuits.
Always missed, Never forgotten
08' 4door JK 5.7 hemi, auto and atlas
2012 F350 6.7 PSD CC shortbox