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) In order to fully comply to the emission strandard (e5), installation the catalytic converter (optional) is necessary, see ref. | Article: YASUNI Scooter 4 Full Exhaust System | Article: YASUNI Scooter 4 Full Exhaust System
