Dual steering stabilizers are a solution to a problem that doesn't exist.
First of all you have to know that the steering stabilizer does very little as it is. Don't believe me? Take your stock steering stabilizer off and drive around for a week. You won't notice a single difference, I promise.
Dual steering stabilizers seem to have come on the scene with the JK crowd (at least I think) and were marketed by stupid companies such as Skyjacker, Rough Country, and other suspension manufacturers that are typically considered "bottom of the barrel" for lack of a better term.
A dual steering stabilizer will do you more harm than good, I promise.
In fact, if replacing your stock steering stabilizer, this is all you need:
https://www.amazon.com/dp/B000C53XRK/?tag=wranglerorg-20
If you buy anything more expensive than that, you're literally pissing your money away on nothing other than bling.