The high temperature 3-Ply reinforced silicone hump coupler is designed to connect to a 6-1/4ID tube and is 2-3/4 long. Standard stainless steel worm-gear #104 clamps provides tight connections, durability and is corrosion resistance for industrial, commercial, truck, off-road and racing applications. NOTE: Not for use on pressurized side of supercharged or turbocharged applications. Product Features:1 Ply Reinforced High Temp SiliconeCoupler Hose Allows For Expansion/Movement/VibrationStandard Stainless Steel Worm-Gear ClampsTight Connections