Summit Racing™ offers silicone hose couplers--built for endurance and performance, where a tough and secure flexible connection is required. They are made of high-quality 4-ply polyester reinforced silicone, offering premium heat and pressure resistance. These couplers come in different tube coupler styles in a variety of inlet/outlet diameters and lengths to best suit your project's fabrication requirements. They're perfect for air intakes, heating, or cooling applications.