RST Rear Suspension Bench for Polaris RZR XP4 1000 XP4 Turbo XP4 Turbo S PRP SeatsAdd an extra seat with PRP Seats RST Rear Suspension Bench. The RST bench matches the style of our RST front seats and converts your RZR to a 5 seat. Our standard mesh drain allows water, mud, and dirt to drain out the bottom, rather than pile up in the seat. Built with slots to fit up to 3 smaller riders. Fitment These Rear Benches are 3 inch shorter depth than the fronts, to allow for more legroom. Bolts directly into the rear of a Polaris RZR XP4