http://www.atsdiesel.com/ats2/productdetail.asp?p=2029422272
Aurora Compound Turbo Kit Features: Utilizes your factory turbo Comes with 3-piece exhaust manifold
Quick spool up
Delivers great power
Uses the existing Dodge factory components to install without any interference
All cast components / no welded flanges or pipes
Large turbo securely mounted and center lined with the factory exhaust
No need to buy any additional equipment or modify components
A combination of the Aurora 3000 and 5000 turbo systems, the ATS Aurora Compound Turbo is designed for a twin compound configuration. Each turbo complements the other's performance, providing quick spool-up and delivering massive power. Using the existing Dodge Cummins® factory components, the compound turbo installs easily and without interference. There are no welded flanges or pipes with ATS cast components. The custom-designed internal waste gate allows the large turbo to be securely mounted and centerlined with the factory exhaust. You don't need additional equipment or components to use this system.