Itsu Motorsports 4.00" ID Straight Silicone Hose is 3 foot long. (1 yard) High heat, high quality, 4 ply, fiber reinforced silicone coupler for intercooler pipe connections, intakes, etc. Allows you to cut couplers to your own required length. Standard couplers lengths are normally 3" long. This stick would allow up to 12 couplers @ 3" long each.
All hose sizes are measured by inside diameter, 2" ID hose fits 2" OD tubing for example.