Power Vision 3 for Polaris RZR / S / 4
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Does this have built in tunes or do they have to be purchased on top?
Good morning. The device comes preloaded with a tune from Dynojet although we highly recommend our custom ECU Calibration which can be seen here: https://www.warrantykillerperformance.com/products/ecu-calibration?_pos=1&_sid=2795c1e2b&_ss=r