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Borg Warner S257 SXE Turbo

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Utilizing the latest generation aerodynamics, billet EFR compressor wheels, and uprated 360 degree thrust assemblies, BorgWarner's all new 'SX-Enhanced' turbos redefine performance, durability and value for modern turbochargers. 

BW utilizes their 70mm Inconel turbine wheel with the 57.2mm inducer / 76mm exducer FMW compressor in a purpose built S200 SXE compressor housing. Smaller overall packaging than the EFR7670 with identical airflow rates make this an excellent match for the 400-600hp range (up to 2.6L) or as twin turbos in 700-1100hp applications. Oil-Cooled Journal Bearing only.

Compressor Specifications

  • Compressor Type: Forged-Milled Wheel (FMW) Extended Tip
  • Compressor Wheel OD (exducer): 76mm
  • Compressor Wheel Inducer: 57.15mm
  • Max Flow Rate: 64 lb/min
  • Compressor Housing Connections:
    • Inlet: 4.0" Hose Coupler
    • Outlet: 2" Hose Coupler

Turbine Specifications

  • Turbine Type: Inconel S200SX Turbine Wheel
  • Turbine Wheel OD: 70mm
  • Housing Material: D5S sandcast
  • Housing size and A/R ratio: S200SXE 7670 is available in (5) different turbine housing configurations:
    • 0.70 A/R T3 Single Scroll
    • 0.83 A/R T4 Twin Scroll
    • 1.00 A/R T4 Twin Scroll
    • 1.15 A/R T4 Twin Scroll
    • 1.22 A/R T4 Twin Scroll
  • Turbine outlet: 3" Marmon

BorgWarner's S200 SX-Enahnced 57mm Turbo Features:

  • 57mm Forged-Milled EFR7670 compressor wheel, optimized aerodynamics
  • 4" inlet / 2" outlet compressor housing with new aero, integrated speed sensor port and pre-machined boost port
  • all-new severe duty 360 degree thrust bearing
  • Interchangeable with existing turbine housings
  • Inconel 70mm turbine wheel, same blade shape as EFR7670

Additional Information

Manufacturer Name Borg Warner
Supported Cars Borg Warner S257 SXE Turbo