SuperATV Polaris RZR S4 1000 Primal Soft Cab Enclosure Upper Doors Add a rear windshield?:No 48% cfm Flow Gain

48% cfm Flow Gain

Includes welded hangers for secure and precise mounting

As for wiring: Morimoto's LED headlights are designed to work on your Sierra without any modifications

75" rear end

SuperATV Polaris RZR S4 1000 Primal Soft Cab Enclosure Upper Doors Add a rear windshield?:No 48% cfm Flow GainAdding SuperATV Soft Cab Enclosure Upper Doors to your Polaris RZR S4 1000 adds comfort and protection in unpredictable weather. These doors use Pel Tek technology with heavy duty, marine grade material that is waterproof and resistant to punctures, tears, abrasions, water, mildew, and UV damage. Double polished vinyl windows improve clarity and visibility, while heavy duty Velcro, frame mounted snaps, and premium stitching help keep the doors secure