Need room to plug in your other accessories? Add the MTNTK Performance Power Splitter for the Ski-Doo REV Gen4 850. Plugs into the factory harness and then allows you to run our Hot Air Eliminator "THE BLOW HOLE" and one other accessory. Comes with additional plug and pins to mate your accessory to the additional harness plug. Fits all 2017-2019 Skidoo 850 GEN 4 models