WIKI has great info on the New Edge Mustangs and the special options offered.
/"There were also three alternate models offered in this generation: the 2001 Bullitt, the 2003 and 2004 Mach 1, as well as the 320 bhp (240 kW) 1999 & 2001(seen right),[47][48] and 390 bhp (290 kW) 2003–2004[49] Cobra."