Arizona Polaris RZR XP Turbo ECU Tuning VRTuned.com February 12, 2017 Media & Events, Product Info, Tuning Tech 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. You might ask why, how, or what do we know? As a well recognized vehicle...