The Yasuni 4 range is the evolution of the line created for the 4 strokes Scooters. * 40% less weight than original exhaust * The fasteners and components are made of stainless steel AISI-304 * High mechanical strength * Respects EEC noise tests (e9) | Article: YASUNI Scooter 4 Full Exhaust System - Honda SH 125 | Article: YASUNI Scooter 4 Full Exhaust System - Honda SH 125