Woolf Aircraft 400-065-400-090-1010 Mild Steel Bent Elbow 4 Inch 90-Degree Exhaust Tube

The Woolf Aircraft 400-065-400-090-1010 is a precision-bent mild steel exhaust elbow designed for high-performance automotive, aircraft, diesel, and turbine engine applications. This mandrel-bent tube features a 90-degree bend angle with a smooth, consistent inner diameter throughout the curve to maximize exhaust flow and minimize back pressure.

Specifications:

• Outside Diameter: 4.000 inches
• Wall Thickness: 0.065 inches (16 gauge)
• Bend Angle: 90 degrees
• Centerline Radius: 4.000 inches
• Material: 1010 Mild Steel
• Finish: Natural (uncoated)

Key Features:

• Mandrel-bent construction maintains consistent inner diameter through the bend
• Precision-fabricated for accurate fitment in custom exhaust systems
• 16-gauge wall thickness provides durability while minimizing weight
• Compatible with standard welding and fabrication techniques
• Made in the USA by Woolf Aircraft Products

Woolf Aircraft specializes in tube bending, fabrication, and welding services for demanding applications. Their bent elbows are available in stock configurations or can be custom-bent to specification. This mild steel elbow is ideal for exhaust manifolds, turbo systems, intercooler piping, and custom fabrication projects where precise bends and consistent flow characteristics are required.