There was a court ruling in Texas that found the plates had to be mounted "where the car begins, i.e. on the foremost area of the vehicle". TAWIN SPENCE v. THE STATE OF TEXAS | FindLaw

And it has to be 12" from the ground in Texas.
(1) must display two license plates, one at the exterior front and one at the exterior rear of the vehicle that are securely fastened at the exterior front and rear of the vehicle in a horizontal position of not less than 12 inches from the ground, measuring from the bottom, except that a vehicle described by Transportation Code, §621.2061 may place the rear plate so that it is clearly visible;
Would yours pass in Texas? I'm not sure after reading that court ruling. One thing for sure is the license plate laws in Texas are confusing a best. I'd rather not give any reason to get pulled over if I can.

Since the Crossfire OEM holder is designed for the center of the bumper that's where I put mine.