in the end I would like to run a dual master cylinder set up but for now it works fine.
the dual master set-up really changes the pedal feel. It's hard to drive the boosted brake systems in other cars on track now. Cockpit adjustable knob for bias, and a stand alone BMW M3 ABS unit is optional depending on track surface.
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4.0L Dry Sump Boxster GT race car - HRG #23
2005 Cayenne S - DD