BorgWaner Airwerks S200 Turbo - 317222 S200 Turbo BorgWarner AirWerks S200 Turbo 0.85 A/R - 80/74 BW part number 317222 Genuine BorgWarner AirWerks turbocharger AirWerks 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. performance rating: 320 - 580 HP compressor housing: intake 101mm / pressure side 51mm compressor wheel: inducer 56mm / exducer 79,7mm turbine housing: 0.85 AR / header flange T3 Twin Scroll (T3 divided) / turbine outlet BorgWarner 6-bolt round turbine wheel: inducer 74mm / exducer 65mm / external wastegate   - dual hydrodynamic journal bearing - extended tip technology - Twin Scroll 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.