In a word; Aeromotive Fuel Systems DELIVER!?These systems deliver more than just the fuel your engine needs, but also the ease of installation any do-it-yourselfer can appreciate. Aeromotive Fuel Systems are more than the sum of their parts, they are a complete system engineered for your application. With thousands of our systems installed, and millions of miles in service, no other manufacturer delivers more fuel (and less headaches) than Aeromotive! Designed for use with 1998 1/2 to 2004 4.6L DOHC Mustangs. These Complete Fuel Systems include the following part numbers and everything necessary for the installation of a complete fuel system.?P/N 11104 - Eliminator Fuel Pump. P/N 12304 ? 100 Micron Pre Filter. P/N 12301 ? 10 Micron Post Filter. P/N 14111 ? 4.6L DOHC Fuel Rails. P/N 13101 ? A1000 EFI Regulator Does NOT include fuel tank.