Reprogrammed300X ECU to allow up to 8650 RPMs. R1 upgraded ignition timing safe for all recreational and offshore racing use using 91 octane pump gasoline. R1 works great with stock engine components, stock supercharger system, and stock impellor. The R1 program will add snappier throttle response, increased acceleration, and improved top speed performance. The R1 program file does not require a Powershot Fuel Tuner.
