Weld On Exhaust Flex Pipe Stainle Steel Double BraidDouble Braided (Inner and Outer) with Stainle Steel Wires, Anodized Trumpet Opening, Heavy Duty and Outstanding.Specification:Product Name:Exhaust Flex PipeCondition:100% Brand NewMaterial:Stainle SteelQuantity: 1Size 1Total Length:6'' / 152mmInlet/Outlet: 2.5'' / 63.5mmVisible Braid Length: 4.125'' /105mmBraid Outside Diameter: 3.375''/ 86mmSize 2Total Length:6'' / 152mmInlet/Outlet: 3'' / 76mmVisible Braid Length: 4''/ 100mmBraid Outside Diameter: 3.875''/ 98.5mmSize 3Total Length:8'' / 203mmInlet/Outlet: 3'' / 76mmVisible Braid Length: 5.75''/ 150mmBraid Outside Diameter: 4''/ 100mmFeatures:Easy to install and extend the role of exhaust muffler system life.Using corrugated molding technology, good flexibility, good air tightne.Can reduce air pollution.Note:1.We provide clear pictures, measurements where poible. Please check as much as poible to make sure the item is the one that you need.2.Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)3.There are no instructions included in this kit.If you want to know how to use or install it,please contact us by