Tecnigas Silent Pro Exhaust for Vespa ET2 and LX50

Tecnigas Silent Pro Exhaust for retro style Vespa 50cc 2-stroke scooters.The Tecnigas Silent Pro exhaust is a higher performing exhaust than stock, all while being quiet and maintaining a subtle look. Works well on 50cc and 70cc cylinders. fits the following models:Vespa: ET2, LX50, Primavera 50Aprilia: Mojito, Habana CustomPlease Note: This exhaust is designed to conform to European Road Standards. Removing the manifold restrictor leads to a significant performance improvement. Head Pipe Bolt Hole Spacing: 49.5mm Head Pipe Inner Diameter: 19.5mm with restrictor removed. 13mm with restrictor in place. Includes Mounting Hardware and Instructional Booklet