Pulling trailers of assorted lengths at 60 to 65 on interstate. Semi's pass and get more sway from their passing than I am comfortable with. SRW and Firestone Air Bags at 80 pounds, tires at 60 pounds using Reese level hitch. Looking for experience here, sway bar ? Helwig ? Rollguard (would require removing the air bags. ) Other options that would work well with airbags or better than. R C 
