Check the listing for details. 42mm ID 46mm OD Single Exhaust Muffler Pipe Gasket Graphite Seal Ring Connectors. Color: Titanium Tone, Condition: New. Listed at 12.87 USD. Feature:Made of good material, can play a good sealing effect, ensure its connection without a gap.Heat resistance and durability.Lower the noise and make your motorcycle more stable and comfortable.Universal for most Motorcycles to use.No instruction included.Specification:Color: Titanium ToneMaterial: GraphiteInner Diameter: 42mm / 1.62"Outer Diameter: 46mm / 1.81"Thickness: 2mm / 0.08"Size: 29x46mm / 1.14"x1.81"(H*D)Installation:Remove the exhaust pipe.Clean the cylinder head connector.Put the exhaust pipe gasket into the cylinder head.If the gasket is too loose, you can apply a little bit of butter or sealant on the gasket to stick it, and then install the exhaust pipe.Note:Please allow 1-2mm error due to manual measurement.Package Included:1 x Motorcycle Exhaust Muffler Pipe Gasket.