S400SX4 S400 S488 88mm Billet Compressor Wheel T6 Twin Scroll 1.32 A/R Turbo. Turbo Model: S475 S400SX4-75. Turbine Housing: 1.32 A/R T6 twin-scroll Inlet,5.75" V-Band outlet. Turbo Elbow Flange Clamp 3682674 for Cummins ISX T6 Exhaust ISX Borg Warner S400.