Upgrade your GP1800R with the Dean's Team Level 5 Kit to get the most out of your WaveRunner with the stock supercharger wheel. This kit will see gains of 22+ MPH from factory [68 MPH up to 90+ MPH] and an acceleration upgrade fit for racing.
Requires 93 octane fuel
Based off of Dean's Team Level 5 tested on 2021 GP1800R in Orlando, FL in 72 degree weather, with 1/3 tank of fuel - 90.2 MPH at 9,300 RPM