MAF translators?? good idea or not

[dieseltech24179]

hey guys im having to replace my afm because it failedon me so beforegoing out and buying another oem unit ive done some looking around and ive found lexus afmsand lipp afms but onething that caught my eye was aMAF translato. i seen it on horsepowerfreaks website. just wondering ifanyone out there can explain what theidea is behind this part. does it replace the little black box on the afm pipe completly??