Hi Jared,
Roadster material is scarce, and will probably be so for some time..
I have dynoed tune for the Roadster with 3xKN and TORS.
done with Tuneboy and I cannot seem to extract it with TuneECU. don't know why, I have extracted tunes before but this one seems to be of a new format.
otherwise you would have gotten it!
on the other side, adding 3xKN and doing a 12 minute tune will do pretty good.
with the ECU adapting and a fuel injection engine the system will benefit from being opened up.
I don't think that you will risk running too lean. I know several people that have 3xKN or even stackers and never bother to change map or do a dyno. they have decel pop and such but keep running the config year after year.
If you want a system that is optimized that's a whole different thing of course.
My advice would be to fit the KNs, do a 12-minute and if you change to TORS, change to 20355 tune, supplied by Triumph along with the exhausts.
this will be a good start and the tunes will be there sooner or later. on the other hand, if you can find a dyno guy nearby who is familiar with TuneECU, then you could go for it of course!