Mustang GT (2005 and newer) Garrett. Turbo GT Tuner Twin Turbo Kit for the 4.6L V8 engine. 600 to 800 HP capable (depending on turbo choice).
Kit contains highly efficient ball bearing turbos that are internally wastegated and all the hardware required for installation (including high flow cast manifolds, intermediate downpipes that bolt up to the stock cat or any aftermarket H pipe). Just add intercooling (along with charge pipes and blow off valve) and a tuning solution and go!