The high temperature 3 - Ply reinforced silicone hump coupler is designed to connect to a 6 - 14ID tube and is 2 - 34 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.