(1) Hybrid Turbo Charger: .57 compressor wheel trim mapped for low and high boost setups Oil fitting gaskets & mounting studs included Capable of producing over 450 horsepower Wet float bearings & properly balanced 3" inlet diameter with a 2" outlet 50 A/R compressor housing .63 A/R turbine housing 1/8 NPT oil inlet T3/T4 hybrid (1) Stainless Downpipe: 2.5" Inlet Waterjet cut 5 bolt flange. Mandrel bent stainless steel Beautiful TIG welds (1) Non-divided T3 Flange Water jet cut for precision flow Mild steel for easy welding to an adapter pipe or direct to stock manifold (1) Oil Line Kit -4AN braided stainless CNC Machined drain and feed flanges 2X of each gasket Stainless Hardware 5/8" Drain Hose w/barb fitting (1) Blow Off Valve: Quality design will not leak under high boost conditions Performance design produces a powerful & aggressive sound Includes complete install kit Flanges installed at user discretion Protects turbo by letting pressure surges vent when shifting and/or reducing throttle