Expansion muffler YAMAHA YZ250 99-18 factory fatty

Factory Fatty expansion Exhaust 

• elaborated on the MoD. So much appreciated by professional pilots
• The conical section has the same shape as the MoD. Fatty Classic, but has completely new features
• Made of steel with two different thicknesses
• 19 gauge manifold thickness for maximum resistance and durability
• Body thickness and 20 caliber back for greater lightness
• Hand-beaten welds after molding to ensure the typical look factory
• Raw, bare and oiled finish