ARACER AF2

The aRacer AF2 Wideband Module can be used in conjunction with your aRacer Mini5 or Super RC2 ECU in order to provide autotuning capability! aRacer AF2 Professional Wideband O2 AFR Module now comes included with a Bosch LSU 4.9 wideband O2 Sensor! aRacer has significantly improved the design and function of the AF2 to give it a much more stable and quicker AFR reading. They have also built the harness so that it would plugin directly to the aRacer ECU without the need to purchase any other splitter or additional cables. By doing so, this has made the installation much easier and simpler, which the need to tuck away unused connectors and lengthy wires from the splitters.  Professional Air Fuel Ratio Module AF2   High accuracy and high-speed response It can be realized "Closed Loop Fuel Compensation" with Stage 2 or Higher ECU (RC Mini 5, RC Super 2, RC Super 2 Gold) No need for calibration, just plug and play Employed BOSCH LSU 4.9 wideband oxygen sensor Optimal design for AF2: Volum