Not too sure about that one. Too many pictures of chrome bits and fancy gauges...20psi with no mention of the motor build up, compression ratio,etc.
Engine management does not score high. I've played around with split seconds fuel piggback on my previous Porsches and they are a bit flakey to say the least. I would want stand alone with a 20psi motor.
Not to say it wont work, but it will be far from ideal for the injectors he needs to run to get that much power, plus the stock ECU wont drive peak and hold injectors. Its also running a simple timing retard box, not the best solution.
There would be a hundred questions that needed answering before taking that on. Who knows, it could actually be well sorted but I very much doubt it. Could be a good project if the price was right.