4FR218-028SQ / 4FR218-028SQ - Application Notes 1999 Mustang Cobra 4.6L V-2 SQ SC-Trim High-Output System - Polished Stock HP/TQ: 320/317 Vortech HP/TQ: 490/420 Boost (PSIG): 9.5-10.5 Includes High-flow fuel pump, High-capacity fuel injectors, High-flow MAF and ECM chip or module Carb E.O. D-213-17