Dual catch cans work on B58. Single does not. If you decide to dismantle your intake, you will find oil contamination in both the PCV and CCV hoses. Anyone on the forum can confirm this for themselves in an hour of work.
You have 3 choices:
1) Get the valves walnut blasted every ~40K.
2) Run CCV+PCV catch can.
3) Run port injection to bathe the backside of the valves.
Ideally, all three. Can skip #1 after port injection.
All of the above is true of any GDI car, Supra or otherwise.