Yes. I added the drjonez manual boost controller. I went 15.5 @92 with the HKS downpipe and turbo exhaust.
That run was about 12-13 psi. At least that is where I set the controller.
In an old Supra article, shaeff has links, TRD put together a car with HKS EVC, PFC F-CON, FCD, full...