Aurora 5000 Turbo Kit with .90 T-4 Flange 2003-2007 Dodge. Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative diesel truck performance products-over 600 products for one-stop shopping. Whether you need power and efficiency for towing, off-road, recreation, or racing, ATS Diesel Performance can meet your needs, quickly and at a reasonable cost.Features: Fits: 2003-2007 Dodge Cummins Flange: T-4 Flange Series: Aurora 5000 Sold As: Kit