An inflatable passenger protection system for a vehicle having a structural front pillar frame member to be covered by a separate interior trim component, and a side curtain airbag to be positioned in a stowed condition between the front pillar frame member and the interior trim component, the interior trim component having at least a portion movable between a covered position enclosing the side curtain airbag in the stowed condition and an opened position in response to inflation of the side curtain airbag to the deployed condition, includes an extruded support bracket extending between the front pillar frame member and the interior trim component. The bracket has a primary attachment point and a secondary attachment point for supporting the interior trim component.