'06- Vespa GTS250/GTV250 (Update:2008/03/12) Product No Description 47021 SUS SLIP-ON W/SUS POLISHED SILENCER, CONICAL END 　            SLIP-ON EXHAUST Installation Instructions Down Load (pdf/119K)          TiForce pipe Weight : 2.4kg (stock 6.4kg) / decibels: 89db