Airwerks turbochargers are designed for the competitive motorsports market as well as drivers retrofitting a naturally aspirated engine or looking for a little more performance from a factory turbocharged car. Engineered specifically for drag racing, pulling and road racing, AirWerks turbochargers have earned a reputation as robust, brute-force induction systems. Borg Warner Airwerks Turbochargers are a no-frills replacement for your vehicles OEM turbocharger. BorgWarner's AirWerks turbochargers are the perfect go-to product for many applications. With a twin hydrodynamic journal bearing design, AirWerks turbochargers feature an effective high-pressure ratio compressor stage, extended-tip technology and a high-efficiency turbine stage. The configuration provides ultra-fast response and more than 70 PSI of boost.Turbine HousingFits p/n 171701 & 171702 S400SX4 Turbos1.45 A/RVolute, Twin Flow ConfigurationT6 Inlet96mm Turbine Wheel Design