Power Driven Add-A-S400 Compound Turbo Kit for 03-07 5.9L 3rd Gen Cummins Diesel

This 3rd gen Cummins compound turbo kit is designed for maximum spool-up and great EGT control during towing, all while supporting up to 700hp. This twin turbo kit uses your stock HE351 and an Aggressor S475. Many compound turbo systems usually employ a box S476 in their towing kits. While it does work, it is far from ideal. The turbine wheel in the S476 can support over 1,000 hp. It doesn’t make sense to suffer the lag of a 1,000-hp turbine if you are only after 700 hp. When compared to a typical compound kit with an S476, we typically see over a 100-degree EGT drop at the same power levels. The spool-up is, of course, much quicker. The components in this compound turbo kit are all…