Vibrant 3.5" Stainless Steel U-J Mandrel Bent Tubing is a utility for fabricating custom exhaust systems, headers, downpipes, intercoolers etc. It is constructed from 16 gauge T304 Stainless Steel which can withstand high temperature, and acidic conditions. This mandrel bent tubing features a 180 degree bend and a 45 degree bend and is one year limited warranty.