Hitch & Sway Control

Getting Ready To Sign The Papes For A 2008 2720, Tow Vehicles Will A 2007 Toyota FJ Cruiser Or A 2003 S-10 Crewcab. (want to be able to switch back & forth)

Dealer Sells & Installs Reese Pro Series RB Style W/D Hitch (i believe, said its pro series with the chains). Will I Need A Sway Control With This? Hitch Says It's Compatible With Passanger Friction Sway Control. I Can Get A Different Hitch They Just Have To Order It. I Am Doing This Deal Over The Internet And Driving 7 Hours To Pick It Up. (woohoo road trip). Any Advice Or Help Is Appreciated.

Thanks,
Jeff