aFe Power Magnum Force Cold Air Intake System Spare Parts Kit (4 IN ID to 3-4/5 IN ID x 2 IN L) Straight Reducing Coupler - Black
Buy now pay later,no extra cost!
Payments from $5.14 with

4” to 3-3/4” Reducer:
This 2” long coupling is designed to connect to tubes with a 4” 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.
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 (#060 & #064) 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 05-01463.
Features:
- 4” & 3-3/4” ID, 2” Length
- 100% Silicone Construction for Long Lasting Durability
- Commonly Used on aFe POWER Intakes
- Allows for Expansion, Movement, and Vibration
- Includes Two Stainless Steel Clamps