S366 T4 Airwerks Turbo By BorgWarner

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BorgWarner 66/73 S300SX3-66 Turbocharger

This turbo has flow capabilities ranging from 320 to 800 HP. This turbo utilizes the BorgWarner / AirWerks "S" generation compressor wheel with Extended Tip Technology for the ultimate in aerodynamics, low RPM spool-up & high RPM horsepower output. This turbo is the Type B (90 degree comp outlet) with the T4 divided turbine housing by default & 90 degree charge pipe outlet, as seen in the picture.


  • T4 Inlet w/ Optional 90° Outlet
  • Twin hydrodynamic journal bearings
  • Compressor cover recirculation grooves
  • Extended tip technology compressor wheel
  • Adjustable compressor and turbine housing orientation


  • 320-800HP
  • 66.11mm Comp. Wheel Inducer Dia.
  • 91.44mm Comp. Wheel O.D.
  • 79.76mm Turbine Wheel O.D.
  • Turbine Housing Options: 0.88, 0.91, 1.00

Also Known As

  • S300SX, S300SX-66 66/73, 66-73, 91/80, 91-80, 66mm

What's in the Box?

  • 1 T4 66/73 S300SX3 Turbocharger

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