OPL Black 3" Straight Universal Intercooler Coupler Hose (2.25in/57.15mm - 3in/76.2mm) Inner tube dimensions (end to end): 2.25in/57.15mm - 3in/76.2mm Length of tube: 3 inches / 76.2mm 3 ply - 0.25" wall thickness Straight silicone black hose