Audi S4/S6 C4 Turbo Silicone Hose Kit Mishimoto Audi S4/S6 C4 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. Available in black, blue or red, Mishimoto silicone hoses retain OEM fitment while providing increased pressure tolerance for the ultimate upgrade in performance and style. Tech Specs: Interior Material - Heat-Resistant Embedded Fibers Exterior Material - Silicone Max Temperature - 330 F Inner Diameter - Hose 1: 0.92", 1.90", & 2.66" - Hose 2: 0.71", 2.24", & 2.72" - Hose 3: 2.32" & 2.75" Outer Diameter - Hose 1: 1.32", 2.30", & 3.06" - Hose 2: 1.01", 2.64", & 3.12" - Hose 3: 2.72" & 3.15" Purchase Includes - (3) - Silicone Hoses Choose your color with the drop-down menu below Application Guide: Audi UR S4 Audi UR S6