3-1/2 IN Internal Diameter: This 2-1/4 IN long coupling is designed to connect to a tube with a 3-1/2 IN diameter. It's commonly used on aFe POWER cold air intake systems, but can be used for a variety of projects._x000d_Silicone Construction: Its silicone construction features two layers of polyester reinforcement, making it extremely durable and less prone to deformation, tearing, and other damage, than average couplings._x000d_Stainless Steel Clamp: Two corrosion-resistant stainless-steel worm clamps (#056) are included, providing a secure seal for virtually any application._x000d_Fitment Note: Not for use on pressurized side of supercharged or turbocharged applications. _x000d_Direct Replacement for P/N 05-01322. Product Features:(3-1/2 IN ID x 2-1/4 IN L) Straight Coupler w/ Hump - Red100% Silicone Construction for Long Lasting DurabilityCommonly Used on aFe POWER IntakesAllows for Expansion, Movement, and Vibration
