PRO XP-4 Shorty Cage | Polaris RZR PRO XP-4 1000 BRAND NEW DESIGN! The PRO XP-4 Shorty mounts to the stock cage locations for a clean look without the rear bumper (Shorty) XPR-4 Fastback Shorty Cage Features: Fits ALL XP-PRO 4 models! Flat roof Design 100% DOM Tube Construction In House CNC Cut... MSRP: Was: Now: $2,469.99 Choose Options