Great news! The Akrapovic Slip-On for the Euro 4 Vespa GTS 300 is now LTA Approved and in ready stock. This exhaust can be used on older model Vespa GTS 300's as
Vespa Gts 300 i.e. Supersport - Akrapovic Auspuffanlage - Exhaust System - Instruction - To Do - YouTube
Racing Exhaust AKRAPOVIC "SLIP-ON" "Black Edition" V4A stainless steel silencer with catalyzer with e-norm | SIP-Scootershop
Akrapovic Slip On Line Stainless Steel GTS 300/SEI Giorni/HPE 16 Ref:S-VE3SO9-HRSSBL Muffler Black| Motardinn