3-3/4” to 3-1/2” Reducer:
This coupling features a 15° angle and is designed to connect to tubes with a 3-1/2” and 3-3/4” diameter. It’s commonly used on aFe POWER cold air intake systems, but can be used for a variety of projects.
Its silicone construction features a layer of nylon reinforcement, making it extremely durable and less prone to deformation, tearing, and other damage, than average couplings. The built-in port hole (1/8" ID x 1/2" H) allows for easy connection to a PCV line.
Stainless Steel Clamps:
Two corrosion-resistant stainless-steel worm clamps (#056 & #060) are included, providing a secure seal for virtually any application.
Note: Not for use on pressurized side of supercharged or turbocharged applications.
Direct Replacement for P/N 05-01381.
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