Purchase this upgrade - Send an Email to pv3tech@dynojet.com including your PV_Info file from the PV3 device and the sales order # - We'll email you back a license file to remove the power limiter! - Once received, save the license file direclty to your PV3. - Connect the PV3 to your ATV, key on, access Vehicle Tools from the menu on the PV3 device to apply the license **Note: This is an upgrade for the Power Vision 3. It is not the Power Vision 3 tuner.**