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04.5-09 GM 6.6L Duramax Garrett PowerMax Stage 2 AVNT GT4094VA Turbo Upgrade

This is a complete drop-in performance upgrade turbocharger kit that provides extra flow, efficiency and durability, delivering the boost you need.
  • 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

The PowerMaxTM Duramax Turbo Kit includes:

  • Garrett® patented AVNTTM GT4094VA Turbocharger
  • Adapter cable
  • Installation instructions

Garrett part number: 773542-5001S

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