GM Duramax (2004.5 - 2009)
This is a complete drop-in performance upgrade turbocharger kit that provides extra flow, efficiency and durability, delivering the boost you need.
PowerMax Stage 2 (773542-1)
Garrett® model GT4094VA turbocharger
Featuring the Garrett® patented Advanced Variable Nozzle Turbine (AVNTTM) design for increased compressor flow and turbine flow
Utilizes nine movable vanes which significantly increase turbine efficiency and improve engine performance from idle launch through peak torque
Patented integral electro-hydraulic actuation and proportional solenoid for infinitely variable control
Provides up to an estimated 575 hp with no sacrifice to drivability
Larger compressor trim (52), plus larger GT40 turbine wheel and vanes vs. Stage I
Outline interchangeable, for a perfect fit each and every time
