This coupling kit commonly used on aFe POWER cold air intake systems, and can be used for a variety of projects. The silicone construction features a layer of polyester reinforcement, making it extremely durable and less prone to deformation, tearing, and other damage, than average couplings. Includes two stainless-steel worm clamps. Product Features:100% Silicone Construction for Long Lasting DurabilityCommonly Used on aFe POWER IntakesAllows for Expansion, Movement, and VibrationIncludes Two Stainless Steel Clamps