An airbag system and related method of inflating an airbag is disclosed. The airbag system has an airbag cushion having an interior cavity. At least one pyrotechnic gas generating compound is positioned within the interior cavity of the airbag cushion. At least one ignition source is in communication with the at least one pyrotechnic gas generating compound. A control unit is in communication with the at least one ignition source, wherein activation of the at least one ignition source by the control unit causes the at least one pyrotechnic gas generating compound to inflate the airbag cushion.