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PACKAGE INCLUDES

1*High Flow Pipe
1*Rubber tube
2*Flange Clamp
1*O-Ring Seal
1*EGR Bloker Off Plate
1 Pack Screws & Nuts

Diesel truck owners rely on their 6.6L LLY Duramax engines for consistent power, whether for towing, hauling, or daily driving. However, over time, factory-installed EGR systems become a source of carbon buildup, reduced throttle response, and costly maintenance. If you have experienced sluggish acceleration, excessive soot, or performance drop-offs, this kit provides the solution. 

Why Choose DynoVox 6.6L LLY Duramax EGR Delete Kit?

The DynoVox 2004-2005 6.6L LLY Duramax EGR Delete Kit with High Flow Intake eliminates restrictive factory components to boost performance, efficiency, and longevity for your 2004-2005 Duramax. Designed specifically for the 6.6L LLY Duramax engine, this EGR Delete Kit combines a high flow intake system with precision-engineered block-off plates to deliver measurable gains in power, throttle response, and fuel economy.

5 Key Benefits of the DynoVox LLY EGR Delete Kit

15% More Horsepower & Torque

By removing carbon-clogged EGR components and upgrading to a high flow intake elbow, this Duramax EGR Delete Kit reduces exhaust backpressure and improves airflow for stronger acceleration—ideal for towing or performance driving.

Eliminates Carbon Buildup

Stop harmful exhaust gas recirculation that clogs intake manifolds. This 6.6L EGR Delete solution promotes cleaner combustion, extends engine life, and reduces maintenance costs.

Optimized High-Flow Intake System

The included high flow intake elbow maximizes air delivery to your 6.6L LLY Duramax, improving turbo spool time and fuel efficiency by up to 10%.

Durable, Heat-Resistant Construction

Made from CNC-machined aluminum and stainless steel, this LLY EGR Delete Kit withstands extreme temperatures for reliable performance in all conditions.

Easy 3-Hour Installation

Includes laser-cut gaskets, block-off plates, and all hardware. Compatible with other Duramax performance parts for future upgrades.

    Built for Seamless Installation and Long-Term Reliability

    Every component in the DynoVox EGR Delete Kit is precision-crafted from corrosion-resistant aluminum and stainless steel, capable of withstanding the extreme heat and pressure of a high-performance diesel engine. All necessary gaskets, clamps, block-off plates, and installation hardware are included.

    This kit is fully compatible with:

     2004–2005 GMC Sierra 2500HD/3500HD (LLY)
     2004–2005 Chevrolet Silverado 2500HD/3500HD (LLY)
     6.6L LLY Duramax Diesel Engines

    Installation time is typically 2–3 hours with basic tools. An ECM tune is recommended after installation for best results.

     Maximize Your 6.6L Duramax Performance Today

    Upgrade your 2004–2005 Duramax with DynoVox’s EGR Delete Kit—and take it further with our CCV Reroute Kit and High-Performance Up-Pipe. Together, these systems deliver unmatched engine cleanliness, power, and efficiency.

    Order now and experience the full power your LLY Duramax was built to deliver.

    Brand DynoVox SKU CP-QMP-J00194-DY/QMP-HW00135
    Body Material Aluminum & Stainless Steel & Silicone Color Red/Black
    Weight 3kg Comply with Factory Testing Standards Yes
    Type EGR Delete Kit Warranty 1 Year
    Surface treatment CNC Machined Anodized  
    Installation Location Near the engine
    Item Condition New

    Warranty and Shipping Services

    We provide a 1-year warranty and a 30-day free return and exchange service, so you have no worries. At the same time, you can enjoy fast and free shipping within the United States.

    DISCLAIMER

    1. By installing this product onto your vehicle, you assume all risk and liability associated with its use.2. It is your responsibility to make sure your Vehicle complies with all federal, state, and local emissions laws. Federal and many state and local laws prohibit the removal, modification, or rendering inoperative of any part of the design affecting emissions or safety on motor vehicles used on a public street or highway Violation may result in a fine of up to $ 32,500 per vehicle ( or possibly higher depending on changes in the law ). All civil penalties and fines for removing your vehicle emissions equipment are the sole responsibility of the end user.3. Due to its high-performance nature, this product may void the vehicle manufacturer's warranty.4. DynoVox is not responsible for the misuse of its products By installing this product, you release DynoVox of any liability associated with its use.5. Depending on where you live, restrictions may apply. Check all applicable laws before installing or using.6. The purchaser and end-user release, indemnities, discharges, and holds harmless DynoVox from any claims, damages, causes of action, injuries, or expenses resulting from or relating to the use or installation of this product that is in violation of the terms and conditions on this page, the product disclaimer, and/or the product installation instructions. DynoVox will not be liable for any direct, indirect, consequential, exemplary, punitive, statutory, or incidental damages or fines caused by the use.

    Frequently asked questions
    What does EGR delete do on Duramax?
    An EGR delete consists of using a delete kit to remove the system. The benefits include an improvement in engine performance, fuel economy and not having to worry about emergency maintenance on the EGR (or even the engine itself).
    Is EGR delete good for diesel?
    Deleting the EGR system can help keep your engine running cleaner. Customization: For diesel truck owners, an EGR delete can be a way to customize your truck and improve its performance.
    What happens if you delete EGR system?
    Deleting the EGR system can improve engine power response by eliminating exhaust gas recirculation, reduce maintenance costs by avoiding EGR valve clogs or malfunctions, and simplify the engine structure for lower failure risks.
    What are the pros and cons of EGR delete?
    Quite a bit more power and torque. Better fuel economy on a conservative tune. Better reliability. Less carbon buildup in most cases. You no longer have to be as picky about what oil you use. You'll have a much louder exhaust with more turbo noise. No more buying DEF.
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