Call Wolfe Racecraft, they have an option to make a cross bar, for their roll bar, that will allow full rearward seat travel. Wolfe is the best mail order roll bar out there. If I ever put a roll bar in mine their's is the bar I will use.
Earl
This. Also doesn't require hacking the hell out of the side panels like MM, just the 2 holes in the package tray. The side bar is so low I never even bothered to remove mine, I just climbed over. I didn't get a passenger side bar, that isn't required at all.