Polaris Rzr 800 4 Seater Top Speed Product Review Polaris RZR 800 Polaris RZR 800 EFI with aftermarket long travel kit from Fireball Racing 2011 Polaris RZR Changes: For 2011, The RANGER RZR family receives aggressive front-end styling that increases cooling airflow area by 29 percent, new side protection for easier ingress and egress, a new in-cab accessible glove box, High/Low headlights for increased night visibility, and a new fuel management system coupled with a new tank that offers 30 percent improvement in range with better slow speed drive-ability. Quality improvements include better clutch/belt cooling, improved front and rear drive durability and sealed dash switches. The units also will feature new easier-to-use side nets.