Here is my nitrous setup.
Nitrous Express #20923
Nitrous Express Purge system
300ZX fuel filter
Autometer ultralite n20 pressure guage
Autometer ultralite Pyrometer
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Installing Nozzle and also the EGT-yellow wire in the back.

Nitrous and purge solenoids. fuel solenoid is mounted on the side of the shock tower and not visible. custom bracket for WOT switch. Also notice the purge piping.
Purge button
Heres where the purge exits.

bottle
Pic of 300ZX fuel filter and fuel TEE
Completed install