Just because you never seen it before, it doesn't meant it never exist.
Who can confirm me there's no Alien out there?
OEM red and clear 99 spec tailights does exist but damn low in stock. The taillights are for 99~00 spec Integra SJ in Japan and European countries. The 96~98 spec Integra SJ has red/clear tail as well.
OEM has "Honda" and "Stanley" printed on the lens and the rear housing. You can also find the color chalk mark on the black plastic housing resulted from QC checking on most OEM parts.
There are several Taiwanese replica on the red/clear 99 tails, some are poorly made with noticable silicon mark on the lens and the craftmanship of entire tailights is not there. Those made by Deppo has a better quality but still not desired. The color on the replica tailights will fade away in time and probably fogging problem as well. OEM, however, is the assurance of quality, you will expect everything from the OEM lights.
My EK is loaded with the OEM red/clear tails.