It has a turbo, fuel injectors, an exhaust, an ECU that controls the parameters. The RZR XP Turbo is no different than any other turbocharged vehicle. You might ask why, how, or what do we know? As a well recognized vehicle tuner that has been in business since 2001, we are also off-road enthusiasts and RZR owners ourselves. Doing an ECU flash on the Polaris RZR XP Turbo is one of the best upgrades you can do to get more power out of the 925cc engine.