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PACKAGE INCLUDES

  • 3*Blocker Plate Gasket
  • 7*Gasket
  • 2*Exhaust Blocker Plate
  • 2*Coolant Plug with O-Ring
  • 2*Flange Clamp
  • Intake Elbow O-Ring
  • Hose Sleeve
  • Coolant Plug with O-Ring
  • 3*Barbed Hose Connection
  • 1 Pack Screws & Nuts

How does 6.6L Duramax L5P EGR Delete Kit work?

The DynoVox 2017-2023 6.6L Duramax L5P EGR Valve Cooler Delete Kit is designed to enhance the performance and reliability of your Duramax engine. By removing the EGR cooler, this kit reduces heat buildup, minimizes carbon deposits, and improves overall engine efficiency. Made from high-quality materials, it ensures durability and easy installation. Perfect for diesel enthusiasts looking to optimize their vehicle’s power and reduce maintenance costs. Upgrade your Duramax L5P with DynoVox for better performance and longevity.

What's the Key Features of DynoVox 6.6L Duramax L5P EGR Delete Kit?

1. Improved Engine Performance

This EGR valve cooler delete kit is specifically engineered to remove the performance-limiting restrictions caused by the stock EGR cooler in your 6.6L Duramax L5P engine. By eliminating this bottleneck in the exhaust gas recirculation system, the engine is able to receive cleaner, unrestricted airflow, which directly enhances throttle response, horsepower, and torque. Whether you use your truck for heavy towing, off-road adventures, or daily driving, the performance improvements are instantly noticeable.

2. Reduced Maintenance Requirements

Over time, factory EGR systems can cause excessive carbon buildup within the intake manifold, EGR valve, and cooler. These deposits lead to frequent maintenance issues, reduced fuel efficiency, and potential overheating. The DynoVox delete kit solves these problems at their root by removing the EGR system entirely, thereby reducing soot buildup and heat stress. This translates into lower maintenance costs, fewer repair visits, and extended engine life.

3. Durable, Long-Lasting Construction

Every component in this DynoVox kit is crafted using premium-grade materials, including precision-welded stainless steel and CNC-machined billet aluminum parts. These materials are chosen for their excellent heat resistance, corrosion protection, and long-term reliability under extreme diesel operating conditions. With proper installation, you can expect the system to perform consistently for years to come.

4. Optimized for Efficiency and Power

Designed exclusively for 2017–2023 Duramax L5P models, this EGR delete kit is more than just a performance upgrade—it's a complete efficiency solution. By reducing the thermal load on your engine and eliminating regens triggered by the EGR system, the DynoVox kit contributes to smoother operation, better fuel economy, and greater long-term dependability.

What are the benefits of deleting the EGR valve?

Deleting the EGR (Exhaust Gas Recirculation) valve offers several key benefits for diesel engine performance and longevity. By eliminating the recirculation of exhaust gases, carbon buildup within the intake manifold and valves is significantly reduced. This improves airflow to the engine, leading to enhanced combustion efficiency. As a result, drivers may notice improved throttle response, increased horsepower, and better fuel economy. Additionally, removing the EGR system reduces the risk of component failure, contributing to greater long-term reliability. For those seeking optimized performance and fewer maintenance concerns, an EGR delete presents a practical and effective upgrade.

Precision-Engineered for Duramax Power

This kit is specifically designed for the 2017–2023 L5P Duramax and features:

CNC-machined block-off plates made from 304 stainless steel

High-temperature-resistant coolant reroute components

OEM-style fittings and hardware for leak-free installation

Optimized design to maintain proper coolant flow without error codes

Whether you're towing heavy loads, climbing steep grades, or pushing your Duramax to the limit off-road, this kit gives you the durability and efficiency your engine deserves.

How To Install?

1. Disconnect the battery and ensure the engine is completely cool.
2. Remove the EGR valve and cooler assembly.
3. Install the anodized block-off plate.
4. Replace or reroute the coolant hose as needed.
5. Loosen or remove fasteners and clamps securing the existing exhaust components.
6. Install the front and rear block-off plates.
7. Connect the new throttle valve pipe and any associated components.
8. Torque all bolts and clamps to manufacturer specifications.
9. Update the Engine Control Module (ECM) as required.
10. Reconnect the battery.
11. Start the engine and perform a thorough leak inspection.                                                 

Ready to Delete, Upgrade, and Perform?

Unleash the true performance of your 6.6L Duramax L5P by upgrading with the DynoVox EGR Valve & Cooler Delete Kit. Don’t let emissions components hold your truck back.

👉 Order now and experience a cooler, cleaner, and more powerful ride—built to last.

Brand DynoVox SKU QMP-P09L0007-DY
Body Material Aluminium Alloy Color Black
Weight 1.8kg Comply with Factory Testing Standards Yes
Type EGR Delete Kit Warranty 1 Year
Surface treatment CNC Machined Anodized  
Installation Location Rear
Item Condition New

NOTE

While anyone with basic mechanical knowledge can install an egr delete kit, it is recommended that it be installed by a professional mechanic to ensure proper installation and avoid any potential problems.

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
Should I delete my EGR cooler?
Installing an EGR delete kit reduces costs on repairs and fuel costs, as well as decreases soot deposits that an EGR valve produces. Disabling it prevents harmful contaminants from being reintroduced back into the engine, resulting in problems. When the engine's performance increases, so does the fuel economy.
What is the benefit of EGR delete 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)
Technically you can drive without a working EGR valve.
The role of your EGR valve is to reduce the number of toxic NOx gases in the air, so if it isn't working quite right, more toxic gases will be released into the air. For this reason, we don't recommend driving without a working EGR valve for too long.
Does EGR delete increase horsepower?
Deleting the EGR system reduces carbon buildup and improves airflow to the engine. This will result in better performance and you may experience improved throttle response, increased horsepower, and greater fuel efficiency.
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