Which Royal Purple ATF?

[1999SVTVert]

Hey all-

I'm looking to replace my T-45 fluid with some Royal Purple ATF- For those of you that like/are using RP, wanted to see which ATF you are using.

I see the "Max ATF" is recommended for Ford Mercon automatic transmission applications-

The "Synchromax" is recommended to manual transmissions that specify ATF, but says nothing about Ford Mercon applications.

I'm guessing that "Synchromax" is what I should use, but I figured I would ask before I put in an order-

Thanks!
Adam