The new YZ450F is the most powerful it's ever been - managing that power is our primary concern for even top level Pro's. Here at HP Race Development we feel the unique ability of the user to both tune their aftermarket ECU via their phone coupled with the traction assist functionabiloty is un matched by any product on the market. More throttle, less clutch, more hook up means faster lap times.
We have custom maps available for various fuels and pipes. Contact us for any details