X PACKAGE MODULE: Activates X Package functions on gauge: lap timer, fuel autonomy (time and distance to “empty ), average and top speed and RPM display and engine temperature. User-friendly interface on gauge. Plugs in diagnostics connector. Includes hardware necessary for installation SKI MODULE: Activates ski mode. Choice of different preset acceleration curves for perfect launch everytime when towing a skier or wakeboarder. User-friendly interface on gauge. Plugs in diagnostics connector. Includes hardware necessary for installation.