Coupler, Mishimoto MMCP-4045RD, 45 Degree Coupler - 4in Red, 45 Degree Coupler - Various Colors, 4-in, Mishimoto 4in 45 Degree Silicone Coupler, available in black, blue, and red., 100% silicone construction, Heat-resistant embedded fibers, High heat and pressure tolerances, Mishimoto Lifetime Warranty, Hose Coupler