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The BorgWarner AirWerks SX S400 turbine housing T4 with A/R .90 Twin Scroll is the twin-scroll exhaust housing specified for S400-series turbochargers. It provides the twin-scroll configuration and A/R .90 geometry noted in the description and is intended for use when assembling or modifying an AirWerks S400 turbo to the twin-scroll T4 A/R .90 specification.
BorgWarner Turbine Housing SX S400 T4 A/R .90 Twin Scroll
