Patriot Exhaust H1070 Side Exhaust Chrome 70" | Autoplicity 3 Inch Radius U-bend For Custom Exhaust Exhaust Expander Patriot Exhaust H7017 1-5/8 Mild Steel U-Bend Exhaust U-Bend Pipe About this item Car enthusiasts and exhaust fabricators, this Patriot Exhaust U-bend is exactly what you need for custom exhaust work! Measuring 1-5/8 inches in diameter with 6-inch legs and a 3-inch radius, this mild steel U-bend is perfect for creating smooth, efficient exhaust bends in your custom system. The 18-gauge steel provides durability while remaining workable for bending and... Patriot Exhaust H7017 1-5/8 Mild Steel U-Bend Exhaust Pipe Steel Mandrel Bend Exhaust Pipe, 45 Degree, Pair, 3-1/2 Inch O.D Pipe gauge measures 18 and radius measures 3 , Part number: H7017 , Package Weight: 2., 0 pounds