The 5-ply silicone couplers are fiber reinforced for strength and come in different sizes. Ideal for air intake systems and turbo intercooler piping. Available in black only. Dimensions are inside diameters.
4. 20-0498 Silicone Hose Kit, 2.25in to 1.5in, 45deg Elbow (shown below) is non reinforced 4-ply coupler ideal.