Vibrant Performance 11867 CAC Transition Hose Coupler, 4 in Inlet to 3-1/2 in Outlet

The Vibrant Performance 11867 CAC Transition Hose is a straight hump-style tubing coupler designed to connect charge air cooler and intake system components with different tube sizes. It features a 4-inch inlet and a 3-1/2-inch outlet, providing a secure transition for custom turbocharger, intercooler, and high-performance air-management applications. The black silicone construction offers dependable flexibility while helping accommodate engine movement and alignment variations.
Built for demanding automotive and motorsport environments, this Vibrant Performance transition hose supports reliable connections between tubing sections without unnecessary restriction. Its hump profile helps absorb vibration and movement, reducing stress on connected pipes and fittings. The coupler is suitable for fabrication projects, replacement installations, and performance upgrades where durable silicone tubing is required.
The Vibrant Performance 11867 CAC Transition Hose is supplied as one coupler and is designed for a clean, professional installation when paired with compatible clamps and tubing. Its straight configuration simplifies routing, while the stepped inlet and outlet support the connection of charge-air components with different outside diameters. This product is not air restricted and is not limited to truck freight shipping.

Features:

• Brand: Vibrant Performance

• Part Number: 11867

• Configuration: Straight hump-style transition coupler

• Inlet Size: 4 inches

• Outlet Size: 3-1/2 inches

• Material: Flexible silicone

• Color: Black

• Application: Charge air cooler, intercooler, turbocharger, and intake tubing connections

• Package Quantity: One coupler

• Shipping Classification: Not air restricted and not truck freight only