SM-AFR utilizes the latest digital PID and DSP technologies to maximize o2 sensor reaction time and accuracy without compromising overshoot, and slow settling response time. This technology is coupled with advanced self sensor calibration circuitry and sensor soft start to both prolong the life of your oxygen sensor as well as eliminating any user intervention for manual sensor calibration. PLX widebands may be used and installed in your vehicle permanently.
NO SENSOR CALIBRATION IS REQUIRED! SIMPLY PLUG AND PLAY.
Technical Article: PLX Critical Response Technology
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The DM-5 AFR is an optional standard 52mm gauge designed to display the measured value from the SM-AFR module. More info