-fsx P3d P3dv2- - Opus Software Opusfsx Release... -

For those who still have it installed, here are the undocumented tweaks that made the final release legendary.

OpusFSX Flight Simulator Interface for FSX & Prepar3D Getting Started -FSX P3D P3Dv2- - Opus Software OpusFSX Release...

OpusFSX is primarily comprised of three major interfaces that enhance simulation realism and performance: For those who still have it installed, here