Giving this somewhat older model some attention- a really nice addon! The exterior is the best representation of a P-51 in FSX, in my opinion.
Great FDE, customisation and features- I have replaced the sound in my installation however, with that of A2A's accusim P-51 as it does sound just that bit 'clearer'. Plus- adding the cockpit sound 'clicks' from the cockpitsoundsv2 download file helps to bring this addon alive!