Acoustic airbox GTG 75 625., Acoustic airbox GTG 75 1000., Acoustic airbox GTG 125 625., Acoustic airbox GTG 125 1000., Acoustic airbox GTG 160 625., Acoustic airbox GTG 160 1000., Acoustic airbox GTG 75 1250., Acoustic airbox GTG 125 1250., Acoustic airbox GTG 160 1250.