Skip to product information
FR SPORT
Airaid U-Build-It - Silicone Coupler 4in. ID x 5-11/32in. x 2-29/32in. L. (Oval) 9231
$42.99
Frequently bought together
Free shipping on orders over $150
Hassle-free returns & exchanges
Secure checkout — Shop Pay, Apple Pay & all major cards
Product details
AIR U-Build-It Kit
CTO
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.
COUPLER; OVAL 4in.ID X 5-11/32in. X 2-29/32in.L
SKU: 0MZ70
Why customers choose Ride Rite
Tesla & EV specialists
Every part is matched to your exact car — verified fitment, not a generic catalog.
Mobile install across the Bay Area
Skip the shop — our team comes to you for professional installation throughout California.
Free, fast shipping
Orders over $150 ship free and fully tracked, with most parts leaving the warehouse quickly.
Real human support
Talk to actual suspension specialists before and after your purchase — never a call center.
