Vibrant Performance 19737 Straight Reducer Silicone Coupler, 3-Inch to 3-3/4-Inch ID

The Vibrant Performance 19737 Straight Reducer Silicone Coupler is designed to connect tubing with different inside diameters in automotive intake, intercooler, turbocharger, and custom fabrication applications. This black silicone coupler transitions from a 3-inch inlet to a 3-3/4-inch outlet, providing a practical solution for joining mismatched tubing sizes while maintaining a clean, straight connection. Its reducer design supports efficient airflow routing and reliable system assembly.
Constructed from durable silicone, the Vibrant Performance 19737 features a thick-wall construction that helps provide strength, flexibility, and resistance to common under-hood conditions. The material is suited for demanding air-handling applications where dependable tubing connections are required. Its smooth interior helps promote consistent airflow, while the flexible body allows easier installation and alignment during custom builds or replacement projects.
The compact coupler profile is easy to incorporate into tight engine-bay layouts and can be secured with compatible clamps for a dependable connection. Its black finish provides a clean, professional appearance that complements factory and aftermarket components. Whether used in a performance intake system, charge-air plumbing, or a custom tubing assembly, this Vibrant Performance reducer coupler delivers a reliable transition between 3-inch and 3-3/4-inch tubing. Sold individually.

Features:

• Brand: Vibrant Performance

• Part Number: 19737

• Product Type: Straight reducer tubing coupler

• Inlet Size: 3-inch inside diameter

• Outlet Size: 3-3/4-inch inside diameter

• Material: Silicone

• Wall Construction: Thick-wall design for added durability

• Color: Black

• Application: Automotive intake, intercooler, turbocharger, and custom tubing systems

• Package Quantity: Sold individually