Pacific Performance Engineering (PPE) has engineered an OEM replacement EGR cooler, which is California Air Resources certified 50 state legal. This cooler, manufactured for 6.0L Ford's from 2004-2007 is crafted with heavy duty, seamless stainless steel tubular construction, making it robust and long-lasting, giving owners peace of mind for years to come. PPE's EGR cooler is easy to install and comes with all of the necessary gaskets and seals for installation and is backed with a lifetime warranty. (714-985-4825/www.ppediesel.com)