Maybe try give Mao a call about Blitz SBC-iD. It allows u run two boost settings and still maintaining practical setting within OEM ECU. Kinda like SI drive system in 3rd Gen STI.

Link:
http://www.perth-wrx.com/vb/evolutio...-timers-2.html

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MY08 STI 422whp at 1.5bar on E85, built by Diversion Garage, assembled and tuned by EvoR

Update from new owner: 375whp at 1.4bar on 98, at Tokyo Motorsport