Product Description
The ATS 202-402-4290 Aurora 4000 VFR Turbo is a high-performance turbocharger upgrade designed for 2004-2010 GM Silverado and Sierra trucks equipped with the 6.6L Duramax diesel engine (LLY, LBZ, and LMM). Built for serious power gains while maintaining drivability, this turbo is ideal for towing, performance builds, and daily-driven trucks requiring improved airflow and efficiency.
Featuring ATS’s Variable Flow Rate (VFR) technology, the Aurora 4000 turbo delivers faster spool-up, increased boost response, and improved top-end horsepower compared to stock turbochargers. This design helps reduce turbo lag while maximizing airflow, making it a versatile upgrade for both work and performance applications.
The Aurora 4000 is engineered to support higher horsepower levels while maintaining reliability under load. Whether you're towing heavy loads or pushing your Duramax to the next level, this turbo provides the balance of responsiveness and power that diesel owners demand.
FAQ
What is the ATS Aurora 4000 VFR Turbo?
It is a performance turbocharger upgrade designed to increase airflow, boost response, and horsepower for Duramax engines.
What does VFR technology do?
VFR (Variable Flow Rate) technology improves spool-up time and throttle response while maintaining strong top-end performance.
Is this turbo good for towing?
Yes. It offers improved low-end response and airflow, making it a great option for towing and heavy-duty use.
What horsepower levels can this turbo support?
The Aurora 4000 is designed for moderate to high horsepower builds while maintaining drivability.
Will this fit my Duramax?
This turbo fits 2004-2010 GM 2500HD and 3500HD trucks with LLY, LBZ, or LMM 6.6L Duramax engines.
FITMENT
2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
2006-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ
2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
Specifications for ATS 202-402-4290
| Specification | Details |
|---|---|
| Part Number | 202-402-4290 |
| Product Name | ATS Aurora 4000 VFR Turbo |
| Turbo Series | Aurora 4000 |
| Technology | VFR (Variable Flow Rate) |
| Engine Fitment | 6.6L Duramax Diesel (LLY, LBZ, LMM) |
| Vehicle Fitment | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD |
| Performance Benefit | Improved Spool-Up, Increased Airflow, Higher Horsepower |
| Application | Towing, Performance, Daily Driving |
| UPC | Not Available |
| GTIN | Not Available |
| Shipping Information | Standard Ground Shipping |
| Prop 65 | WARNING: Cancer and Reproductive Harm |