Stage IV will be limited to 15 PSI due to it still using a stock PCM. We have had very few takers for Stage IV systems under the previous setup (16G, DFI), so we decided to discontinue it to make room for a 20G / FMIC setup that does not also require DFI.

But dont fear...the same GEN VII will also work on the 16G version, should you wish to go that way. We can rough in the program using our Stage V tables as a basis, and you should be able to fine-tune it from there.