Description
4-1/4 IN to 3-7/8 IN Reducer: This coupling features a 17 Degree angle and is designed to connect to tubes with a 4-1/4 IN and 3-7/8 IN diameter. It’s commonly used on aFe POWER cold air intake systems, but can be used for a variety of projects. 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. Stainless Steel Clamps: Two corrosion-resistant stainless-steel worm clamps (#064 & #072) are included, providing a secure seal for virtually any application. Fitment Note: Not for use on pressurized side of supercharged or turbocharged applications. Direct Replacement for P/N 05-01420.





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