Banks Power 55221 Banks Brake

Cut downhill speed up to 49% without using wheel brakes! Saves brake wear-and-tear. Computerized brake controller; safe, reliable operation. No maintenance. Banks' revolutionary design produces stronger braking power than other exhaust brakes. The large-bore housing, streamlined to increase airflow and diffuse exhaust, adds to engine power when Banks Brake is inactive. Banks engineered in a timed valve closure rate to prevent backpressure spikes common to other exhaust brakes and provide smooth operation. Every unit is factory tested and never requires calibration. Note: SmartLock required on automatic transmissions. US Patent #6,152,853 A Control downhill speed without killing your brakes