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The BorgWarner EFR B2 70mm turbine housing with 0.92 A/R is a T4 twin-scroll assembly that includes a wastegate provision. Designed for EFR B2 turbine wheels, it pairs a 70mm inlet with 0.92 A/R exhaust sizing in a twin-scroll T4 layout to manage exhaust pulse separation while matching the EFR family’s turbine interfaces.
BorgWarner Turbine Housing EFR B2 70mm .92 T4 Twin Scroll WG Assy
