The tune is for 91 Octane fuel only and has both revised timing and fueling which adds approximately 6.1 hp and outstanding throttle response. The tune was developed for sleds that already have a free flowing aftermarket exhaust.
- Adds 6.1 HP through revised timing and fueling
- 91 Octane required
- Please send your vehicle’s ECU to our Somerst, WI location for reprogramming – the ECU is located in the nose of the snowmobile under the steering knuckle