Sinister Diesel Hexagon Intake Elbow – 6.0L Powerstroke
Fits 2003–2007 Ford F-250 / F-350 / F-450 Super Duty
Not for sale in California
Note: Not compatible with E-Series vans or Cab & Chassis models.
Note for 2003–2004 F-Series & Excursion owners: This intake elbow may interfere with the factory throttle valve. To check compatibility, inspect the throttle valve located between the factory intake elbow and the intake manifold. If electrical wires are connected, the valve is active and this intake elbow is not compatible. If there are no wires, the valve is non-active and this intake elbow will fit correctly.
Key Features
• Hexagon-style, high-volume intake elbow designed to reduce restriction and increase airflow
• Aluminum construction for strength and boost-holding capability
• Fully TIG-welded, hand-fabricated design for durability and consistency
• Precision CNC-machined billet aluminum base flange for accurate, leak-free fitment
• Larger internal volume compared to the factory plastic elbow for improved airflow efficiency
• Direct bolt-on fit using OEM mounting locations
• Finished in high-gloss Sinister Blue powder coat for corrosion resistance and visual impact
• Backed by a 2-year Sinister Diesel warranty
Product Overview
The Sinister Diesel Hexagon Intake Elbow is a performance-focused upgrade for 6.0L Powerstroke owners looking to improve airflow while adding a truly unique under-hood appearance. Replacing the restrictive factory plastic intake elbow, this hexagon-style design increases internal volume and smooths airflow into the intake manifold, helping reduce restriction and support higher boost levels.
Hand-fabricated from aluminum and fully TIG-welded, the Hexagon Intake Elbow is built to handle demanding driving conditions, towing, and performance applications. The CNC-machined billet base plate ensures a precise seal at the intake manifold, while the distinctive hexagon shape and Sinister Blue powder coat give your engine bay a standout look that sets it apart from standard round intake elbows.
This intake elbow is a direct bolt-on upgrade that installs using factory mounting points with no cutting or fabrication required.
What’s Included
• Sinister Diesel Hexagon aluminum intake elbow with Sinister Blue powder coat finish
• Required installation hardware.
Frequently Asked Questions
Q: What makes the Hexagon intake elbow different from a standard round elbow?
A: The hexagon design increases internal volume and reduces airflow restriction while also providing a unique, aggressive appearance compared to traditional round intake elbows.
Q: Will this fit all 2003–2007 6.0L Powerstroke trucks?
A: It fits most F-Series Super Duty, but it is not compatible with E-Series vans, Cab & Chassis trucks, or vehicles equipped with an active throttle valve.
Q: How do I check if my throttle valve is active?
A: Inspect the throttle valve between the intake elbow and intake manifold. If electrical wires are connected, it is an active valve and this intake elbow will not fit.
Q: Is tuning required after installation?
A: No tuning is required. This intake elbow works with stock or modified setups.
Q: What finish does this intake elbow have?
A: It features a high-gloss Sinister Blue powder coat for durability, corrosion resistance, and a clean custom appearance.
Q: Does this product include a warranty?
A: Yes. The Hexagon Intake Elbow is backed by a 2-year Sinister Diesel warranty.
