This is a fictional "What if" scheme. Based on the P-51D scheme, but adapted to fit the XP-54 airframe. Thanks to Milton Shupe for the native conversion. Tested exclusively in P3Dv4, should work fine in FSX and earlier versions of P3D. Enjoy!
Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.