Black Silicone Turbocharger Hose Kit (MMHOSE-MR2-90BK) by Mishimoto. Includes: 5 Silicone Hoses. Inner Diameters: 1.18in, 3 x 1.16in, 1.17in. Outer Diameters: 1.56in, 3 x 1.54in, 1.55in. Mishimoto turbo hoses are made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement kit for your OEM rubber hoses. Mishimoto silicone hoses retain OEM fitment while providing increased pressure tolerance for the ultimate upgrade in performance and style.