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Accessories > Silicone Coupler
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5.0 out of 5 stars 6 Customer Reviews
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List Price: $61.19
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$48.95 USD


The AIRAID Silicone Reducer Coupler connects two air intake tubes of different diameters. Use of this component with other AIRAID couplers, tubes and related U-Build-It components allows you to design your very own custom performance air intake system.

[More Information on Couplers, Reducers and Adapters]
  • Adapts a 4 inch tube to a 3.5 inch tube
  • 28 degree angled bend
  • Includes two stainless steel worm drive clamps for installation
  • Component for making a custom air intake
  • Compatible with AIRAID UBI kits and components

Part 9120 Product Specifications

Package Contents1 Adapter, 2 Hose Clamps
Package Quantity1
Warranty12 Months - 24,000 Miles
Product StyleAIRAID Coupler/Reducer
Overall Height3 in (76 mm)
Clamps Included2
Weight1 lb (0.5 kg)
Product Box Height7.6 in (193 mm)
Product Box Length7.4 in (188 mm)
Product Box Width7.3 in (185 mm)
WARNING: Cancer and reproductive

Product Reviews

December 4, 2018 - Part 9120
Great fit exactly what I needed for my boss manifold no need to buy a whole new cold air.

Rolando Guerra
Channelview, Texas
May 1, 2017 - Part 9120
Perfect fit for my boss 302 intake install.

Orlando Vargas
Rochester, New York
April 27, 2017 - Part 9120
Great Product. Just what I needed to run my setup.

Ranson Uy
Soledad, California
See all reviews    Review part 9120