U-Bend Mild Steel 1.625 x 2.5 Radius 18 Gauge

The U-Bend Mild Steel 1.625 x 2.5 Radius 18 Gauge from Patriot Exhaust is a critical component for custom exhaust fabrication and vehicle modification work. Whether you're building a high-performance exhaust system, restoring a classic car, or designing a custom exhaust manifold, this pre-bent tube delivers the precise geometry needed to eliminate costly trial-and-error bending. Mechanics and fabricators rely on pre-formed bends to maintain consistent flow characteristics, reduce turbulence, and ensure repeatable results across multiple builds.

This U-bend features a 1.625-inch nominal diameter with a 2.5-inch radius curve, constructed from mild steel and finished at 18 gauge thickness—ideal for moderate exhaust flow applications and engine sizes up to approximately 400 cubic inches. The 18 gauge material provides excellent weldability and durability while keeping weight minimal, making it suitable for both street and competition builds. The 2.5-inch bend radius ensures smooth transitions that reduce turbulence and backpressure compared to sharper bends, optimizing exhaust scavenging and horsepower delivery. At just 1.25 pounds, this component integrates seamlessly into larger exhaust systems without adding unnecessary mass.

This U-bend suits fabricators, performance shops, and hands-on enthusiasts building custom exhausts for muscle cars, hot rods, truck platforms, and import performance vehicles. Installation requires basic welding skills and a TIG or stick welder capable of handling mild steel tubing. The bend is ready to integrate into larger exhaust assemblies, reducing labor time and improving system consistency. Pair this component with complementary tubing, flanges, and mufflers to create a complete, tuned exhaust system that maximizes engine efficiency and delivers the aggressive sound performance builders demand.