- X-Series Wideband UEGO AFR Controller Gauges were the fastest responding wideband air/fuel ratio controllers in an independent test vs. 17 competitor wideband AFR controllers
- Patented X-Digital wideband technology (Patent 9,575,030)
- Factory calibrated resistor does not require free-air calibration, but can be free-air calibrated
- Auto-Sensor Detection between AEM FAE and Bosch LSU 4.9 wideband sensors