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GM Duramax LLY 6.6L EGR Kit (2004.5–2005)

SKU DDEGRGM04
Price

$76.99

The GM LLY Duramax EGR Block-Off Kit is a reliable solution designed to disable the factory EGR system on 2004.5–2005 GMC Sierra and Chevy Silverado 2500/3500 HD trucks equipped with the 6.6L LLY engine. Intended for off-road and racing applications, this kit prevents exhaust gases from recirculating, reducing soot buildup and enhancing overall engine performance.

 

Key Features:

 

  • Complete EGR System Block-Off: Stops exhaust gases from re-entering the intake, helping to lower carbon buildup.

  • Durable Build: Manufactured from high-quality materials designed to withstand high heat and demanding conditions.

  • All-Inclusive Kit: Contains all parts necessary for a seamless installation with no additional components required.

 

Benefits:

 

  • Cleaner Intake: Reducing soot accumulation improves airflow and combustion efficiency.

  • Enhanced Reliability: Eliminates a common source of engine issues on the LLY Duramax platform related to EGR system failures.

  • Performance Improvements: Lowers intake heat and backpressure, leading to improved throttle response and engine output.

  • Requires Emissions-Off Tuning: For off-road use only; proper tuning is essential to avoid engine codes and maintain performance.

 

Installation & Compatibility:

 

  • Specifically designed for 2004.5–2005 GMC Sierra and Chevy Silverado 2500/3500 HD trucks with the 6.6L LLY Duramax engine.

  • Straightforward installation with standard hand tools, ideal for skilled DIYers and professional shops.

Quantity

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