P/N 17331 05-09 Mustang GT Stealth EFI Fuel System. For Mustang GT with Cobra Jet 4-V 5.4L Swap. Rated for EFI engines producing up to 1,400 Flywheel HP Forced Induction or 1,900 Flywheel HP Naturally Aspirated. For 2005-2009 Mustang GT Chassis with engine swap to 5.4L Cobra Jet Supercharged 4-V engine and/or equivalent intake. Includes Aeromotive's Fuel Pump Speed Controller for continuous duty street/strip applications.