Home
Airaid U-Build-It - Silicone Reducer Coupler 4in. ID x 4-5/16in. x 4in. L.
Transit Times
In stock items ship within 1-2 business days from our multiple warehouse across the US.
30 day Return Policy
Not the right fit? No worries. Return it within the first 30 days for a full refund.
Price Match
See this part listed somewhere else for cheaper? Ask us about our Price Match Policy.
Airaid U-Build-It - Silicone Reducer Coupler 4in. ID x 4-5/16in. x 4in. L.
The AIRAID 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.