With a FMU you have to keep the stock FPR to set your base pressure. The FMU only takes over when in full boost. The FMU should be between the rail and the FPR.
98 Eclipse GS TurboBuilt motor - MS2 - Holset hy35 - Zoom Stg 4 Clutch - 57.5mm TB - ARP Headstuds - Turbonetics wastegate - 3" Turbo back - FMIC - Greddy RZ BOV - Walbro 255 - 650cc Injectors - Fidanza Flywheel - Cobra calipers w/ 13" Rotors - Oil Cooler - DevilsOwn meth injection1981 Chevy Scottsdale1987 Nissan 300zx - Chump Car2001 BMW 325i