ATS Aurora Plus 5000 Compound Turbo System Fits 2003-2007 5.9L Cummins Markdown

Introducing the ATS Aurora Plus 5000 Compound Turbo Kit. This kit uses the stock HE351 turbocharger and combines it with the powerful ATS Aurora 5000 turbocharger to give a compound turbo system that is unmatched in response and performance. Why compound? Compounding turbochargers increase both power and performance. Smaller turbochargers are known for quicker response times and off-the-line power, but they are limited in the peak power they can produce. Larger turbochargers can produce massive power, but