Apparatus and methods are provided for a modular vehicle seating system. In one embodiment the seating system has a universal center module that is mountable to a seating position in a vehicle and includes seat pan and seat back portions. The seating system may further include a matched pair of modular side bolsters selectable from an assortment of matched pairs of side bolsters, where each matched pair has a particular physical property defined by a unique value in a range of values of the physical property in the assortment. The side bolsters are detachably connectable to the to left and right sides of the universal center module with fasteners.