I have a car amplifier that I have just finished repairing, and noticed the seemingly odd way they have the power supply set up (see pic). I was considering modifying it to end up with the standard full-wave CT configuration with the supplies in parallel after the diodes. The transformers do not output the exact same voltage, so paralleling the secondaries directly doesn't seem to be an option, but I don't know if paralleling after the diodes is either.
