What is AVNT technology and how does it benefit my Duramax?

AVNT stands for Advanced Variable Nozzle Turbine. This technology allows the turbocharger to adjust its internal geometry based on engine speed. This helps to reduce turbo lag at lower RPMs and maintain strong boost pressure at higher RPMs, providing a more responsive and powerful driving experience.

What other modifications are recommended when installing this turbo kit?

For optimal performance and to ensure the longevity of your engine and turbo, it's generally recommended to pair this Stage 2 turbo kit with supporting modifications. These often include an upgraded exhaust system to handle increased airflow and custom tuning to properly manage the boost and fuel delivery for the new turbocharger.

Does this turbo kit come with all the necessary installation hardware?

This kit is designed as a comprehensive upgrade for your Duramax. While it includes many components for installation, it is always best to consult the manufacturer's included installation instructions to confirm the exact contents and to ensure you have all necessary gaskets, hardware, and any specialized tools required for a proper fit.

Specifications

Brand: Garrett
Part #: 773542-5001S

Garrett GT4094VA Turbo Kit - Chevy Duramax 6.6L 2004.5-2009 Stage 2 AVNT

Name: Garrett GT4094VA Turbo Kit - Chevy Duramax 6.6L 2004.5-2009 Stage 2 AVNT
Brand: Garrett
SKU: garrett-garrett-gt4094va-turbo-kit-chevy-duramax-6-6l-2004-5-2009-stage-2-avnt-t14-22845
Price: 3227.70 USD
Availability: BackOrder

$3227.70

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Key Features

Fits 2004.5-2009 Chevrolet Duramax 6.6L engines.
Stage 2 AVNT (Advanced Variable Nozzle Turbine) technology for improved airflow and reduced lag.
Designed to increase engine power and torque.
Robust construction for durability under demanding conditions.
Comprehensive kit for a significant performance upgrade.

This turbo kit is designed for 2004.5 through 2009 Chevrolet Duramax 6.6L engines. It is not CARB approved and cannot be shipped to California.

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About this part

Product Details

Garrett is well-known for its advanced turbocharger technology, and this GT4094VA turbo kit is a prime example of their expertise for the Chevy Duramax 6.6L engine. Designed as a Stage 2 AVNT upgrade for model years 2004.5 through 2009, this kit aims to significantly improve your truck's performance by forcing more air into the engine. This increased airflow is key to unlocking more power and torque, especially when you're looking to tow heavier loads or get better acceleration.

This particular turbocharger features Garrett's Advanced Variable Nozzle Turbine (AVNT) technology. AVNT systems adjust the turbine housing's geometry to optimize airflow across a wider range of engine speeds. This means you get a more responsive feel from lower RPMs, reducing turbo lag, while still maintaining strong boost levels at higher engine speeds. The GT4094VA is built with robust materials to handle the increased demands of a performance turbo setup, ensuring reliability for your Duramax. The kit is designed to be a comprehensive upgrade, often including necessary components for installation, though it's always wise to consult the included instructions for a complete parts list and specific fitment details for your truck.

When considering a turbo upgrade of this caliber for your Duramax, it's important to note that this kit is not CARB approved and cannot be shipped to California. For optimal performance and longevity, it's recommended to pair this turbocharger with supporting modifications such as an upgraded exhaust system and tuning to take full advantage of the increased airflow and power potential. This kit represents a substantial step up in performance for your truck.