It's not split but rather a slit or small opening running from one turn signal to another or in some pictures it only goes a little ways from the turn signal towards the center of the car. Clear as mud? Thanks for the response. Slime
My 67 doesn't have a bumper, yet. I have been looking and I do know of the slit you are talking about. All the 67 bumpers I have seen have the slit all the way across. On the 66, however, the slit does stop in the license plate area, doesn't go all the way across. Since 67 bumpers are hard to find, perhaps you saw some 67's with 66 bumpers on them.
66 El Camino, daily driver
67 El Camino, STRIP/street
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