Arrangement comprising: a model vehicle body; an audio exciter comprising a housing; and an apparatus (600, 700, 800, 900) for supporting the audio exciter in a model vehicle, the apparatus (600, 700, 800, 900) comprising: a mounting portion (602, 703, 802, 902); and at least one fastener member; characterized in that the mounting portion (602, 703, 802, 902) comprises a circular opening for receiving a portion of the housing of the audio exciter and a base abutting a first end of the audio exciter, when the audio exciter is received in the mounting portion (602, 703, 802, 902); wherein the apparatus (600, 700, 800, 900) further comprises: a plurality of retention members extending radially inward from the perimeter of the circular opening configured to engage the portion of the housing of the audio exciter between the retention members and the base; and at least one transverse supporting arm (604, 606, 704, 706, 804, 804A, 804B, 904, 906, 904A, 904B, 906A, 906B) extending away from the circular opening of the mounting portion (602, 703, 802, 902); wherein the at least one fastener member is disposed at a distal end of the at least one transverse supporting arm (604, 606, 704, 706, 804, 804A, 804B, 904, 906, 904A, 904B, 906A, 906B) and configured to engage with a corresponding number of fasteners (220, 620, 720) to secure the at least one transverse supporting arm (604, 606, 704, 706, 804, 804A, 804B, 904, 906, 904A, 904B, 906A, 906B) to the model vehicle body. a model vehicle body; an audio exciter comprising a housing; and an apparatus (600, 700, 800, 900) for supporting the audio exciter in a model vehicle, the apparatus (600, 700, 800, 900) comprising: a mounting portion (602, 703, 802, 902); and at least one fastener member; a mounting portion (602, 703, 802, 902); and at least one fastener member; characterized in that the mounting portion (602, 703, 802, 902) comprises a circular opening for receiving a portion of the housing of the audio exciter and a base abutting a first end of the audio exciter, when the audio exciter is received in the mounting portion (602, 703, 802, 902); wherein the apparatus (600, 700, 800, 900) further comprises: a plurality of retention members extending radially inward from the perimeter of the circular opening configured to engage the portion of the housing of the audio exciter between the retention members and the base; and at least one transverse supporting arm (604, 606, 704, 706, 804, 804A, 804B, 904, 906, 904A, 904B, 906A, 906B) extending away from the circular opening of the mounting portion (602, 703, 802, 902); a plurality of retention members extending radially inward from the perimeter of the circular opening configured to engage the portion of the housing of the audio exciter between the retention members and the base; and at least one transverse supporting arm (604, 606, 704, 706, 804, 804A, 804B, 904, 906, 904A, 904B, 906A, 906B) extending away from the circular opening of the mounting portion (602, 703, 802, 902); wherein the at least one fastener member is disposed at a distal end of the at least one transverse supporting arm (604, 606, 704, 706, 804, 804A, 804B, 904, 906, 904A, 904B, 906A, 906B) and configured to engage with a corresponding number of fasteners (220, 620, 720) to secure the at least one transverse supporting arm (604, 606, 704, 706, 804, 804A, 804B, 904, 906, 904A, 904B, 906A, 906B) to the model vehicle body.