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Regular price $2,492.87 Sale

  • Retains Factory Electronics 
  • 600+HP Capable
  • Drop-In Replacement

The Garrett 773542-5001S GT4094VA Stage 2 Turbocharger is a must have for any 04.5-10 GM 6.6L Duramax LLY/LBZ/LMM Duramax owner that's looking to get more out of their truck. Featuring the Garrett patented Advanced Variable Nozzle Turbine (AVNT) design for increased compressor flow and boost response. This turbocharger features a larger compressor trim (52), plus larger GT40 turbine wheel and vanes over the Stage 1 model. The GT4094VA also utilizes nine movable vanes which significantly increase turbine efficiency and improves engine performance from idle launch through peak torque.

Designed as a drop-in upgrade, the GT4094VA retains use of factory components such as engine electronics, mounting pedestal and requires no additional modifications to your factory exhaust system. Utilizing a larger compressor wheel the GT4094VA turbocharger will increase your maximum power range while supporting up to 575HP with no sacrifice to drivability.  While this turbocharger is suitable as a replacement for factory equipment, it's recommended that additional fueling upgrades such as aftermarket/custom tuning are installed or already in use. Includes turbocharger, adapter cable a, d installation instructions.


  • Supports Higher Horsepower in Engine
  • Uses Larger GT40 Turbine Wheel and Vanes over the Stage 1
  • Movable Vanes Improves Engine and Turbine Performance
  • VNT Offers Best of Both Worlds of Small and Large Turbos
  • VNTs lack Shortcomings of Non-VNT Aftermarket Turbos
  • Useful Either as a Replacement or Upgrade of Turbo
  • Interchangeable Outline Provides Good Fitting


  • Recommend Having Extra Fueling Upgrade Already in System, such as a Downloader, Programmer, Chip, Injectors, as well as Fuel Temp Gauge etc.
  • W/o Prior Modification to Fueling the Performance Turbo Cannot Provide Horsepower w/o Extra Fueling
  • Recommended Maximum Boost is 40 PSI
  • VNT Means Variable Nozzle Turbo
  • Kit Includes:
    • GTP4094VA Turbocharger
    • Adapter Cable
    • Mounting Hardware
    • Installation Instructions