To Nitrous or not to nitrous...that's the ?

I don't think I'd go anything over 150 anyway. Why a dry kit? Nitrous Works, NOS, Nitrous Express? How would I operate it while driving - engage/disengage it...and when? Would 125/150 get me in the low 11's, possibly high 10's? Stangrunner - which kit are you getting?

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'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts);
30# injectors; JMS Chip; 190 lb fp; TFS track heat Intake (12.299 @ 113)