4FL218-038SQ / 4FL218-038SQ - Application Notes 1999 Mustang GT 4.6L 2V V-2 SQ S-Trim High-Output System - Polished Stock HP/TQ: 260/302 Vortech HP/TQ: 402/400 Boost (PSIG): 9-10 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