Genuine BorgWarner AirWerks S480SX4 turbocharger BorgWarner AirWerks S400SX4 Turbo - 80mm 110/96 BW part number 177287 aka S480SX4 Genuine BorgWarner AirWerks turbocharger Note: Currently, some compressor housings come without a logo! This is not a difference in quality! All components come directly from BW USA from the factory. AirWerks S480SX4 turbochargers from BorgWarner Turbo Systems are dedicated aftermarket turbos for the performance sector. Proven line-produced parts (mostly from Schwitzer Turbo) are being combined to deliver high end tuning and motorsports performance while maintaining an ideal price/performance ratio. The S400SX Series has been developed exclusively with the American sports compact class in mind. These turbochargers are even more focused on motorsports in terms of performance and drivability. performance rating: 750 - 1250 HP compressor housing: intake 140mm / pressure side 76mm compressor wheel: inducer 80,30mm / exducer 110mm (exakter Wert ist 109,73mm) turbine housing: 1.32 AR / header flange BorgWarner T6 Twinscroll (T6 divided) / turbine outlet BorgWarner V-Band turbine wheel: inducer 96mm (exakter Wert ist 95,70mm) / exducer 88,05mm / external wastegate - dual hydrodynamic journal bearing - extended tip technology - Twinscroll turbine housing - adjustable orientation of compressor housing and turbine housing - compressor housing with anti-surge ports (High-Flow) Different A/R ratio? If you order an AirWerks turbocharger and wish to have a different AR you have to order the corresponding turbine housing separately.