A couple must haves for your 850 turbo, lighten it up, give it some extra throttle response and get that power to the snow with the stage 2 clutch kit. One of the most common engine killers for the 850 is over revving and if you ride your stocker hard you will be hitting rev limit alot with stock clutching. Kit comes with...
-G4 muffler (G5 bracket available)
-Stage 2 clutch kit (works on G4 and G5)
-Charge tube no BOV (works G4 and G5)