Since 1962, Kooks has had the reputation of making the highest quality and best performing headers and exhaust systems. Kooks Custom Headers are built by expert fabricators using high quality stainless pipe and modern computer aided design.  These mandrel-bent catted connections are TIG welded and beautifully crafted from 18 gauge 304 Stainless Steel. These connection pipes are designed to connect Kooks Custom Headers to OEM OR Kooks Exhaust.