Vibrant Performance 19773 45-Degree Silicone Transition Hose Coupler, 3.5-Inch to 4-Inch ID

The Vibrant Performance 19773 45-Degree Transition Hose is a reliable silicone tubing elbow designed to connect components with different inside diameters. It transitions from a 3.5-inch ID connection to a 4-inch ID connection while providing a practical 45-degree routing angle for intake, intercooler, turbocharger, and other custom plumbing applications. The black silicone construction delivers a clean appearance and dependable performance in demanding engine compartments.
Built as a coupler-style hose, this Vibrant Performance transition hose helps simplify custom installations where alignment and gradual directional changes are important. Its flexible design can assist with positioning tubing and reducing the need for complex pipe routing, while the reinforced silicone material is suited for automotive and performance applications. The approximately 4-inch leg length provides useful engagement at each connection point when paired with properly sized tubing and clamps.
The Vibrant Performance 19773 is supplied as one hose and is intended for applications requiring a 3.5-inch-to-4-inch transition with a 45-degree bend. Always verify tubing sizes, available clearance, clamp compatibility, and system requirements before installation. Properly secured connections help support reliable airflow and long-term service in intake and charge-air plumbing systems.

Features:

• 45-degree transition hose connects tubing with different inside diameters

• 3.5-inch ID to 4-inch ID configuration supports custom plumbing installations

• Silicone construction is suitable for automotive intake and performance applications

• Black finish provides a clean, professional appearance

• Coupler-style design helps simplify tubing alignment and routing

• Approximately 4-inch leg length provides connection engagement at each end

• Vibrant Performance part number 19773

• Sold individually