I have the single ARB mounted inside the wheel well. Works fine to fill up my dad's bronco and my tires. No issues with heat thus far. We both run 35s and it fills up quick enough. I have a friend that runs 38s on his JK and swears by the single. I would understand the need for speed if you were...
I know you have free pick up listed.. any chance you would potentially be open to shipping them? I'd pay for shipping and some extra for your troubles. I'm in Ventura bit of a drive but I'm interested in taking them off your hands.