ATS Aurora 4000 Turbo Kit, Chevy/GMC (2006.5-2007) 6.6L Duramax LBZ

The Aurora 4000 System Features 63.00mm inducer (2.48in), Great spool time and low-end torque, Lower EGTs (150-200 degree drop), and 1190 cfm flow rate. It is a complete bolt-on kit for an easy installation and utilizes a full 4" down pipe. One of the most popular turbochargers, the Aurora 4000 turbo is the perfect solution when looking for a turbo that delivers solid power to your GM Duramax and can still be driven every day. You get moderate spool-up time, solid mid-range power and boost pressures up to 48 PSI. Plus you don't need head studs with this turbo.