Makes whatever vehicle you are in hop/jump when you press SPACE, F4 changes how high you jump. Requires ScriptHookV v1.0335.2 and ASI loader, drop EthanSVehicleHop.asi into the same folder as GTAV.exe and ScriptHookV to use.

Uses Alexander Blades awesome ScriptHookV downloadable here http://www.dev-c.com/gtav/scripthookv/