2-1/2" inner diameter 304 Stainless Steel Flexible Tubing with .019" Strip Thickness.

This highly durable and bendable metal hose can also be elongated or compressed. Used to quickly and easily connect various exhaust system components. Unique and incredibly strong interlocking design created by helically winding preformed metal strips over a sizing mandrel. The adjoining edges of the metal strips are then folded together.