Dear Sir Madam, Type:Muffler Product name:Motorcycle exhaust muffler Model:Z800 Body material:Stainless steel Body processing method:Imitation titanium Back cover material:Stainless steel Back cover processing method:Imitation titanium Service:Accept OEM Service Diameter:50.8mm package included:1 pcs full system pipe+8 pcs spring Net weight:4.3kg