4FL218-018SQ / 4FL218-018SQ - Application Notes 1999 Mustang GT 4.6L 2V V-2 SQ S-Trim Standard System - Polished Stock HP/TQ: 260/302 Vortech HP/TQ: 364/371 Boost (PSIG): 7-9 Includes High-flow fuel pump, High-capacity fuel injectors and ECM chip or module Carb E.O. D-213-17 Image shown with upgraded supercharger air intake