2-UP sEAT KIT 6639-721 Converts your sled to carry a passenger | Includes passenger seat with backrest, handholds and footrests | Accepts Expedition and Cargo Racks and Tunnel Bags | Requires 8-pocket Hitch Kit with mounting pockets shown on page 113 NOTE: ’13-’15 XF CT models have a standard hitch that accepts a 2-up Seat Kit. '12-'15 XF HC; ’15 XF CC models require a XF Trail Seat. 6639-721 ’14-’15 ZR; ’12-’15 XF, ’12-’13 F (EXCLUDES 7000) 6639-722 ’14-’15 ZR, XF, XF CT 7000 MODELS PAssENGER MUFFs Water- and wind-resistant nylon outer | Easy-attach Velcro straps | Mounts with or without standard wind deflectors 6639-720 ’15 PTA, LYNX 2000 LT, BC 2000 LT; ’08-’14 T570, TZ1; ’09-’14 BC 570 hAND WARMER KIT Adds passenger warmers for 2-up Seat | Includes wiring harness with disconnect coupler and passenger control switch 6639-281 | FITS 2-UP SEAT KITS 6639-721 & 6639-722 Fits all model VaRiatioNs aNd eNGiNe PaCKaGes UNless a sPeCiFiC model oR eNGiNe desiGNatioN is listed 111