Vibrant Performance 19746 Straight Reducer Tubing Coupler, 4 to 4-1/4 Inch ID, Black Silicone

The Vibrant Performance 19746 Straight Reducer Tubing Coupler provides a dependable connection between tubing sections with different inside diameters. Designed with a 4-inch to 4-1/4-inch inside-diameter transition, this reducer coupler is well suited for custom intake, intercooler, turbo, and air-induction plumbing applications where a secure and properly sized connection is required.
Constructed from durable silicone, the coupler offers flexibility for installation while helping accommodate movement and vibration in demanding automotive environments. Its straight reducer profile supports clean, direct routing between components, and the black finish provides a professional appearance that complements a wide range of engine-bay setups. The Vibrant Performance 19746 coupler is intended for use with compatible tubing and properly sized clamps, which are selected separately.
Feature: Straight reducer design connects tubing with different inside diameters
Feature: Compatible with 4-inch and 4-1/4-inch inside-diameter tubing
Feature: Durable silicone construction provides flexibility and reliable service
Feature: Black finish delivers a clean, understated appearance
Feature: Suitable for custom intake, intercooler, turbo, and air-induction systems
Feature: Sold individually for installation planning and replacement needs

Features:

• Straight reducer design connects tubing with different inside diameters

• Compatible with 4-inch and 4-1/4-inch inside-diameter tubing

• Durable silicone construction provides flexibility and reliable service

• Black finish delivers a clean, understated appearance

• Suitable for custom intake, intercooler, turbo, and air-induction systems

• Sold individually for installation planning and replacement needs