2017-2025 L5P 6.6L Duramax DPF/EGR/DEF Delete All-in-One Kit | SPELAB

Note

• To ensure proper ECU communication and full functionality, this kit must be used in conjunction with the CAN bus plug.
• You may be charged import fees. Please accept the delivery and contact us at service@spelabautoparts.com to resolve any charges. Thanks!
• All tunes are non-refundable – Once purchased, they cannot be returned or refunded. Please verify compatibility and confirm your selection before completing your order. If you have any questions, feel free to contact our support team.

READ EVERY STEP BEFORE YOU MAKE ANY MODIFICATIONS TO YOUR TRUCK.

Maximize the performance of your 2017-2025 L5P Duramax with this complete DPF/EGR delete and tuning package. Designed for serious power seekers, this kit removes restrictive DPF and EGR systems while including a high-performance tuner to optimize fueling, turbo response, and transmission shifting. Expect massive gains in horsepower, torque, and fuel efficiency while reducing engine stress and maintenance headaches.

Key Features

• Full Emissions Delete – Eliminates DPF (Diesel Particulate Filter) and EGR (Exhaust Gas Recirculation) for unrestricted airflow and lower engine temps.
• Tuning Included –  Optimize power levels (50HP-150HP+ gains).
• Improved Reliability – Reduces carbon buildup, DEF consumption, and turbo backpressure for longer engine life.
• Enhanced Fuel Economy – Stops forced regens and DEF usage, improving MPG by 2-5+.
• Off-Road/Competition Use Only – For closed-course racing or off-highway use (check local laws).

About Tuning Package

To maximize your results, you'll need the following:

Important Note

• 2024-2025 L5P models require E42 service, which is not included in this kit.
• 2017-2019 trucks use the E41 ECM and are fully compatible with the Unlock Tool process. 2020-2023 Duramax L5P trucks still run E41 hardware with an updated unlock procedure. 2024-2025 trucks use the newer ECM platform and require external unlock service before tuning.
• Power gain range: varies by tune and supporting mods
• Operating range: designed for race use; lower EGTs when properly calibrated
• Your delivered items match your purchase selection

Selectable Power Levels (only for 2017–2023 SOTF):

Note: 2017-2023 4500/5500 Cab & Chassis models are limited to a 60 HP tune. Contact us before ordering if you have a C&C truck for questions.

We strongly recommend monitoring EGTs when using Levels 4 & 5.

What's in the Box (Vary by your purchase)

• EGR Delete Kik
• DPF Delete Kit 
• Tuning Package: OBDII+Tune File+4 Tune Credits+E41 ECM (For 2017-2019)
• Tuning Packge: OBDII+Tune File+4 Tune Credits (For 2020-2023)
• Tuning Packge: OBDII+Tune File+8 Tune Credits (For 2024-2025)
• Can Bus Plug Kit.

⚠️Note: Accessories vary by order and may not include all listed.

OBDII Flash Delete Tuning Interface:

The included OBDII Flash Delete Tuning Interface allows for seamless tuning adjustments, enabling you to customize your vehicle's performance parameters directly through the OBDII port.

Note: SOTF tuning utilizes factory steering wheel controls for seamless power level adjustments.

Installation

EGR Valve Cooler Delete Kit for 2017-2023 6.6L Duramax L5P Installation Instruction

DPF Race Pipe Delete for 2017-2023 6.6L Duramax L5P Installation Instruction

• 2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD
• 2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 3500 HD
• Not compatible with cab and chassis models

Spelab 6.6L Duramax L5P DP-Back must be used together with our downpipe. The factory downpipe has an integrated SCR assembly and cannot connect directly. Ours must be installed first to allow proper attachment of the subsequent exhaust section.

SPELAB 6.6L Duramax DPF/EGR/DEF Delete Kit - All-in-One Solution for 2017-2025 GMC and Chevy

Enhance your 2017-2025 6.6L Duramax with SPELAB's all-in-one delete kit. Includes EGR, DPF and more.

1. Product Overview

Product Instruction

SPELAB auto parts are renowned for their high-quality and performance-enhancing components. The DPF/CCV/EGR/DEF Delete Kit for the 2017-2025 L5P 6.6L Duramax is no exception. This comprehensive kit includes the Duramax EGR delete kit, Duramax DPF delete kit, and more, ensuring your vehicle operates at peak efficiency.

Discover the detailed components of this all-in-one solution in the next section.

Package Contents

In this SPELAB auto parts package, you will receive the following items:

· EGR Delete Kit: The Duramax EGR delete kit removes the exhaust gas recirculation system, reducing carbon buildup and improving combustion efficiency.

· DPF Delete Kit: The Duramax DPF delete kit eliminates the diesel particulate filter, increasing exhaust flow and boosting engine power.

· DEF Delete Kit/Tuner Delete – OBDii Flash Delete Tuning Interface (including tune and required credits): Removes the diesel exhaust fluid system and provides tuning interface for optimized performance.

Continue to learn about the specific vehicle fitment for this comprehensive kit.

Compatible Vehicles

This SPELAB DPF/CCV/EGR/DEF Delete Kit is designed for specific models to ensure perfect fit and optimal performance:

· 2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD

· 2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 3500 HD

These Duramax EGR delete kits and Duramax DPF delete kits are meticulously engineered to match the specifications of these models, ensuring seamless integration and enhanced performance.

Explore the numerous benefits and reasons to choose this all-in-one delete kit in the following section.

2. Advantages of Using the Kit

Choosing the SPELAB DPF/EGR/DEF Delete Kit offers significant benefits for your vehicle:

Improved Engine Performance

The Duramax EGR delete kit and DPF delete kit work together to enhance exhaust flow and reduce backpressure. This results in improved fuel efficiency and increased horsepower.

Optimized Exhaust System

The downpipe exhaust and dual exhaust system further optimize the exhaust path, providing better turbo response and a more robust exhaust sound.

User-Friendly and Compatible

Each component in this SPELAB auto parts kit is designed for easy installation and perfect compatibility with the specified vehicle models. Detailed installation guides are provided to ensure a smooth setup.

Environmental and Economic Benefits

Removing the DEF and DPF systems lowers maintenance costs and reduces reliance on diesel exhaust fluid, leading to better fuel economy and less environmental impact.

Ready to boost your vehicle's performance? Order the SPELAB DPF/EGR/DEF Delete Kit today and experience the difference.

3. Reasons to Choose SPELAB's All-in-One Kit

Comprehensive Solution

SPELAB's all-in-one kit includes everything you need for a complete system overhaul, from the Duramax EGR delete kit to the DPF delete kit and CCV filter. This ensures that all components work harmoniously for maximum performance gains.

High-Quality Materials

Each part in the kit is made from high-quality materials, ensuring durability and long-lasting performance. SPELAB auto parts are designed to withstand harsh conditions and deliver consistent results.

Proven Performance

SPELAB has a strong reputation in the automotive performance parts industry. Our products, including the Duramax DPF delete kit, are tested and proven to deliver significant performance improvements.

Customer-Centric Approach

We prioritize our customers' satisfaction. From providing detailed installation guides to offering excellent customer support, SPELAB ensures a smooth and satisfying experience.

Cost-Effective

Purchasing the all-in-one kit is more cost-effective than buying individual components separately. It also simplifies the installation process and guarantees compatibility, saving you time and money.

Transform your vehicle's performance with the SPELAB DPF/EGR/DEF Delete Kit. Order now and experience unparalleled driving efficiency and power.

Conclusion

The SPELAB DPF/EGR/DEF Delete Kit for the 2017-2024 L5P 6.6L Duramax is a comprehensive solution designed to enhance your vehicle's performance, reliability, and longevity. By integrating high-quality components such as the Duramax EGR delete kit, Duramax DPF delete kit, and more, this all-in-one kit ensures seamless compatibility and optimal performance.

With SPELAB auto parts, you benefit from improved engine efficiency, reduced maintenance costs, and a better driving experience. Our commitment to quality and customer satisfaction guarantees that you receive the best products and support available.

Upgrade your GMC Sierra or Chevrolet Silverado today with SPELAB's all-in-one delete kit and unlock your vehicle's full potential. Order now and enjoy the superior performance and durability that SPELAB is known for.

Ready to take the next step? Purchase the SPELAB DPF/EGR/DEF Delete Kit now and transform your driving experience.

FAQs

Q1: What is included in the SPELAB 6.6L Duramax All-in-One Kit?
A1: The kit includes EGR Delete Kit, DPF Delete Kit, DEF Delete Kit/Tuner Delete – OBDii Flash Delete Tuning Interface, and Exhaust System.

Q2: Which vehicles are compatible with this kit?
A2: This kit is compatible with 2017-2024 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD and Chevrolet Silverado 2500 3500 HD. If you own a LML engine, Check out our 2011-2016 All-in-One LML Duramax Delete Kit (includes EGR, DPF, DEF, and CCV deletion with a tuning device).

Q3: Will installing this kit void my vehicle's warranty?
A3: Installing this kit may void your vehicle's warranty. It is recommended to check with your vehicle manufacturer or dealer before installation.

Q4: Is professional installation required for this kit?
A4: While the kit comes with detailed installation guides, professional installation is recommended to ensure proper setup and optimal performance.

Q5: Does the kit improve fuel efficiency?
A5: Yes, removing the EGR and DPF systems can improve exhaust flow, reduce backpressure, and increase fuel efficiency.

Q6: What kind of maintenance is required after installing this kit?
A7: Regular maintenance checks on the exhaust and filtration systems are recommended to ensure optimal performance and longevity.

Q7: Can I use this kit in all driving conditions?
A8: Yes, the components are designed to withstand various driving conditions, but always follow recommended maintenance and inspection schedules.

Q8: Is this kit legal for street use?
A9: The legality of using this kit varies by region. It is important to check local emissions regulations before installation.

Q9: Where can I get support if I encounter issues with the kit?
A10: You can contact SPELAB customer service via email at service@spelabautoparts.com for any questions or support needed.