It was mentioned to me for extra stability we should have separate fill ability for the lt and rt bags when towing. I have mine Tee'd together now, but plan to isolate the two before I tow. This will stop the air from bleeding to the opposite side when cornering under load.
'12 RAM, '08 R/T Avenger, '66 500 ci. Belvedere
You save the environment, I'll save my dignity.