59-00077 | aFe Power Magnum FORCE Performance Accessories, Coupling Kit: (3-1/2 Inch-4 Inch) x 3 Inch L Hump Reducer (Silicone)

4” to 3-1/2” Reducer:
This 3” long coupling is designed to connect to tubes with a 3-1/2” and 4” 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 a layer 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 (#052 & #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 05-01386.

Emissions Disclaimer:

This product does not require a CARB EO#.

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