VESPA GTS300 GTV300 HPE300 Vmax Speed Limiter Removing MIU M4G 28/02/2024by admin 3 Comments The New Vespa GTS300 GTV300 and the HPE300 using the DOHC engine with ABS and ASR. Maicson Ecu Tuning LTD have found the solution to unlock the restricted speed.Read More...