Spectre 9799 4in 90 Deg Mandrel Polished Aluminum Intake Tube

Vehicle Fitment

• Universal - this is a raw fabrication/build component for custom cold air intake systems, not a vehicle-specific bolt-on part.

Fitment / Dimension Note

• Sources disagree on exact tube length: two sources (Summit Racing and CARiD) independently agree on approximately 6.813 in. (6 13/16 in.) with a 4 1/8 in. radius and 1 in. leg, while a third source (JEGS) lists 7 in. length with a 4 in. radius. The two-source agreement suggests ~6.813 in. is more likely correct, but confirm exact dimensions against Spectre's own drawings before using this in a space-constrained custom build.

Features

• 90-degree mandrel bend for smooth, unrestricted airflow through the turn
• Grade 6063 polished aluminum construction
• 4 in. outside diameter, sized for use with 4 in. intake systems
• Part of Spectre's full line of custom intake tubing shapes and angles

Specifications

• Outer diameter: 4 in.
• Bend angle: 90 degrees
• Length: ~6.813 in. (per two-source agreement) - confirm before use; one source lists 7 in.
• Radius: ~4 1/8 in. (per two-source agreement) - one source lists 4 in.
• Leg (past bend): 1 in.
• Material: 6063 aluminum
• Finish: Polished
• Quantity: Sold individually

Included Components

• 1x 4" OD, 90-degree polished aluminum mandrel tube

Product Description

The Spectre 9799 is a 4-inch, 90-degree mandrel-bent polished aluminum intake tube, built as a fabrication component for custom cold air intake builds rather than as a vehicle-specific bolt-on part. The mandrel-bending process keeps the tube's cross-section consistent through the full bend, avoiding the pinching or ovaling that a cheaper crush-bent tube produces - which matters for airflow, since a pinched bend creates exactly the kind of restriction a cold air intake build is trying to eliminate.

As a 90-degree elbow, this piece is typically used where an intake path needs to make a sharp direction change - routing around a strut tower, radiator support, or other engine bay obstruction - while a builder combines it with straight sections, couplers, and a filter to complete the full custom intake.

Given the length and radius discrepancy found across sources, I'd treat the exact dimensions as needing confirmation against Spectre's own technical drawings before recommending this part for a tightly space-constrained custom fabrication, where even a small dimensional difference could mean the difference between a clean fit and a tube that doesn't clear surrounding components.