UMI Performance's most popular F-body subframe connectors are produced using American-made DOM seamless mild steel tubing that measures 1.75-inches thick and has a wall thickness of 0.12-inch.

Unlike a container, those corner fittings are part of the cold-formed steel frame, one piece from top to bottom for greater accuracy; you just drop it down onto the vertical connector.

AliExpress is offering a durable carport with a galvanized steel frame and waterproof canopy for just $133. Free shipping ...