Hollow section for a coupling system for a motor vehicle

The hollow carrier (12) has a cross beam portion (13) that is provided with lateral longitudinal beam sections. The hollow carrier housing is secured over the longitudinal beam sections at structure regions of a passenger car (1) and is provided with a connection system (16) for a carrying device. The hollow carrier housing is provided with an extruded section along the longitudinal beam sections. The cross beam portion is provided with a cross-section that is represented as polygonal profile.