I bet your ride will be one bad motha when its finished! In my opinion I would go with a turbo setup, it seems the turbos are giving the stangs crazy top end pull.
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'02 black mustang GT 5spd: full bolt ons, MPH 2.5 heads, VT stage 2 cams, p51 w/rails, cobra pumps/60lb inj high flow lines, windage tray, Granatelli COP, Brisk plugs, Pro mass 80, Kooks long tubes, mezeire electric wtr pump, 4.10 Diablo tune 331rwhp/319rwtq