Originally Posted by VNeBLOB42
If you are WOT on OTS, you should hit max boost (mid range) around 4k and it tapers down ~11 psi to redline. That how my boosts read anyway (AT). Depending on Sport or Aggressive your average peak numbers will vary.
S1 Sport +-14 ~ 11
S1 Agg +-15 ~ 11
S1+ Agg +-18 ~ 11
4K makes sense, now that I think back to it.