It should work in full VR mode too, but since there is no way to adjust the FOV beyond what’s possible in the game options that makes limited sense. The default profile settings are carefully chosen, combined with the highest possible camera FOV they work pretty well.
Default head tracking in DiRT 3 is similar, but there you have the option to use OpenTrack to emulate TrackIR input instead of vorpX for head tracking. Unfortunately D4 doesn’t have TrackIR support, so this option only works for D3.
Should be pretty straight forward to setup. Just start OpenTrack with the correct headset type selected and disable vorpX’s head tracking.