Ski-Doo G4 / G5 850 Turbo Performance Flash Add a reflash cable?:No Whether you're using the factory

Whether you're using the factory muffler or an aftermarket option

This creates compressor surge

Aggressive StylingFeatures clean

led by Justin

performance-inspired sound while maintaining excellent rideability

Ski-Doo G4 / G5 850 Turbo Performance Flash Add a reflash cable?:No Whether you're using the factoryOur custom performance maps for the Ski Doo 850 Turbo adds additional boost throughout the entire elevation range. We also alter fuel and ignition maps for better throttle response and faster spool times. Dollar for dollar this is by far the best modification you can make to your 850 Turbo! Snowcheck special currently running. Discounted prices only good until September 13th! The Purchase of our Reflash Cable kit and Tune allows access to all Stage