Airaid U-Build-It 4-Inch Air Intake Tube Set, Part Number AIR100-400

The UBI Air Intake Tube Set is a one-piece air intake tube consisting of the bends and straight pipes needed for you to create the intake piping of a custom air intake system. The roto-molded tube is a low-restriction, free-flowing tube with a 4 inch outside diameter. Simply measure and cut off the pieces you need. The UBI Air Intake Tube Kit is a one-piece roto-molded air intake tube consisting of the bends and straight pipes needed for you to create a custom air intake tube. Tube measures 4 inches in outside diameter.

• Includes 30, 45, 60 and 90 degree tube bends
• Made In The USA

The Airaid U-Build-It 4-Inch Air Intake Tube Set provides the essential tubing components for creating a custom cold air or performance intake system. This one-piece, roto-molded kit combines straight sections and angled bends in a low-restriction design to help support smooth airflow and flexible intake routing. The 4-inch outside diameter is suited for custom automotive applications requiring larger-diameter intake piping.

Designed for fabrication, the Airaid AIR100-400 tube set can be measured, cut, and configured to match your vehicle, air filter, throttle body, and available engine-bay space. Its durable molded construction is built for reliable use in custom intake installations, while the included range of bend angles simplifies routing around components and tight spaces. The kit includes 30-, 45-, 60-, and 90-degree bends, giving installers multiple options for developing an efficient intake path.

• Brief Description: Customizable 4-inch air intake tube set for building a tailored automotive intake system.
• Key Product Specifications & Technical Data: Brand: Airaid; Part Number: AIR100-400; Product Type: Air intake tube set; Tube Construction: Roto-molded plastic; Tube Outside Diameter: 4 inches; Included Bend Angles: 30, 45, 60, and 90 degrees; Application: Custom automotive intake systems; Country of Manufacture: Made in the USA.
• What's Included in the Box: One Airaid U-Build-It air intake tube set with straight tubing and 30-, 45-, 60-, and 90-degree bends.
• Fitment: Universal custom-fit design. Vehicle-specific fitment is not provided; measure the required intake routing and confirm clearance before installation.

The Airaid U-Build-It set is intended for custom installation and may require cutting, couplers, clamps, and additional hardware, depending on the vehicle and intake configuration. This component is not CARB approved; verify emissions requirements and local regulations before purchase or installation.

Features:

• Customizable 4-inch outside diameter tubing supports the fabrication of a tailored air intake system.
• Roto-molded construction provides a durable, low-restriction tube for smooth intake airflow.
• Includes 30-, 45-, 60-, and 90-degree bends for flexible routing around engine-bay components.
• Made in the USA and designed to be measured and cut for custom automotive applications.

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1