new injectors and mass air but less power?

I just had my intake/injectors/FPR/fuel pump installed last weekend. I heard mixed opinions and was even told by SuperChips that my car wouldn't start when mods were complete. Guess what? They were sooooo wrong. The car started just fine and it is *******' meaner than ever. The only thing we had to do was take the f/p down to 35. I chose the 30#'s because I'll be s/c soon.

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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; 190 lb fp; FPR; TFS track heat Intake - 12.513 @ 112 mph (Pre-inj/fuelpump/FPR/intake)