HPA Motorsports - GEN 4 Switchable Haldex Controller - Only 0BS/0AY Left in Stock - While Supplies Last Engine - Rear Silencer

- Rear Silencer

or other modifications

- Narrow Slots Reduce Air Noise

Specially-designed storage bags are also available for purchase

1/8-27 NPT Electronic Pressure Sensor

HPA Motorsports - GEN 4 Switchable Haldex Controller - Only 0BS/0AY Left in Stock - While Supplies Last Engine - Rear SilencerTake full control of your GEN 4 Haldex equipped car with three selectable driving modes: Stock, Race, and Eco! While sharing the OE and RACE modes of the Generation 2 controller, the Generation 4 controller replaces SPORT mode with ECO mode. Eco mode was developed for increased fuel efficiency. Its purpose is to reduce the torque transfer from front to rear during normal highway driving (coasting), but will immediately engage the system if a wheel