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LML EGR Delete Kit for 2011-2016 GMC/Chevy 6.6L Duramax Diesel

Product overview

Reduce EGR-related intake contamination with this complete LML Duramax EGR cooler and valve delete kit. It fits 2011-2016 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L Duramax LML engine and is available in black, red, or silver. Does not fit Cab & Chassis models; custom ECU tuning is required. For off-road use only.

Key product features

• Comprehensive removal of the EGR system: effectively prevents EGR valve clogging or leakage problems and improves engine reliability.
• Accelerate turbo response: Turbo boost speed is significantly increased to ensure faster power output.
• Effectively reduces exhaust gas temperatures (EGTs): Exhaust gas temperatures can be reduced by up to 200°F (approximately 93°C), protecting engine components and ideal for long-distance off-roading.
• Three color options: black, red, and silver. Add personalized appearance options to your vehicle.
• Improved cooling efficiency: Coolant circulates faster, reducing engine temperature by about 10%-15% and extending engine life.
• High-quality materials: Made of stainless steel and aircraft-grade aluminum alloy, it has strong corrosion resistance and high durability.

product specifications

• Weight: approx. 1.45 kg
• Color options: black, red, silver
• Material: Stainless steel & aviation-grade aluminum alloy
• Applicable models: GMC Sierra 2500/3500 (2011-2016, 6.6L Duramax Diesel), Chevrolet Silverado 2500/3500 (2011-2016, 6.6L Duramax Diesel)

Performance Data and Benefits

• Improved fuel efficiency: This reduces fuel consumption and increases fuel economy by 5%- 10%, providing better fuel performance for off-road and long-distance driving.
• Higher power output: Increased 15-20 horsepower, making the off-road experience more enjoyable.
• Optimize the cooling effect: effectively reduce the coolant temperature, make the engine run more stably, and extend the life of components.
• Reduced exhaust temperature: After removing the EGR system, the exhaust temperature is greatly reduced, effectively reducing the load on the engine.

Why Choose Spetuner 6.6L Duramax LML EGR Cooler Delete Kit?

• This kit is designed for 2011–2016 Duramax LML owners looking for a full EGR cooler and valve removal solution.

• Aircraft-grade aluminum and stainless steel construction ensure durability under extreme off-road conditions.

• Many customers report faster throttle response, reduced EGTs, and up to 10% fuel savings after installing this EGR delete on their LML 6.6 Duramax.

• Compatible with most custom tuning platforms for LML Duramax, you can choose Spetuner LML Tuner, such as EFI Live or Mini Maxx (this kit not included).

Legal statement

This product is limited to off-road driving or non-public road environments. Installation of this product may cause the vehicle to fail to comply with local emission standards. Please confirm applicable legal requirements before purchasing. Any liability resulting from improper use is the sole responsibility of the user.

How to Install the LML EGR Delete Kit on a 2011–2016 Duramax 6.6L

Installing an EGR delete kit on your 6.6L Duramax LML engine (2011–2016) can significantly improve performance and reduce long-term maintenance issues. Here’s a brief overview:

1. Preparation: Disconnect the battery and allow the engine to cool completely.

2. Component Removal: Carefully remove the factory EGR valve, cooler, and related sensors.

3. Installation: Install the block-off plates, coolant reroute pipe, and included gaskets using provided bolts.

4. ECU Tuning: A custom Duramax LML EGR delete tune is required after physical installation for optimal engine function.

5. Test and Recheck: Once complete, start the engine and verify no check engine lights or leaks.

⚠️ This EGR delete kit for 2011–2016 Chevy Silverado / GMC Sierra 2500HD and 3500HD is intended for off-road use only and requires professional tuning after installation.

How to Install EGR Delete on LML Duramax: A Step-by-Step Tutorial

Complete Your LML Duramax Setup

Looking for a more complete upgrade? Explore these 2011-2016 LML Duramax configurations based on your preferred tuner, exhaust, and EGR setup. Each product is sold separately.

• Mini Maxx V2 All-in-One Delete Kit: Choose this complete package if you want a Mini Maxx V2 tuner, EGR delete components, and your preferred DPF delete exhaust configuration in one setup.
• EZ LYNK All-in-One Delete Kit: A matched package with EZ LYNK tuning, EGR delete hardware, and multiple year-specific exhaust options for 2011-2016 LML Duramax pickups.
• EGR Delete Kit with Up-Pipe: Select this configuration when you want EGR delete hardware paired with an optional passenger-side up-pipe while retaining the OEM intake and exhaust manifolds.

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2011-2016 LML Duramax EGR Delete Kit Fitment

This kit is designed for Chevrolet Silverado and GMC Sierra 2500HD/3500HD pickup trucks equipped with the 6.6L Duramax LML diesel engine. It does not fit Cab & Chassis models.

• Not Compatible: Cab & Chassis configurations are not supported.
• Engine Check: Confirm that your truck is equipped with the 6.6L Duramax LML engine before ordering.
• Tuning Required: Custom ECU tuning is required after physical installation.
• Professional Installation Recommended: Verify all plates, hoses, gaskets, hardware, and clearances before completing installation.
• Off-Road Use Only: This emissions-related product is intended only for off-road or other legally permitted non-public-road applications. Check applicable laws before purchasing or installing it.

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Q1: After installing this EGR deletion kit, can the vehicle be used on daily roads?

A1: This product is for off-road and off-highway driving only, and after installation, the vehicle may not comply with emission regulations on public roads. Please confirm the usage scenario.

Q2: Does installation require professional technicians?

A2: To ensure the best effect and safety of the product, it is recommended that professional technicians install it. After installation, the ECU needs to be customized and adjusted.

Q3: What color options are available?

A3: This product is available in black, red, and silver. You can choose according to your personal preference and vehicle color matching.

Q4: Will the vehicle warranty be affected after installation?

A4: Installing the EGR deletion kit may affect the original factory warranty policy. It is recommended to consult the vehicle dealer or understand the relevant policies before installation.

Q5: Can I install this kit on a 2013 Silverado 2500HD 6.6L Duramax?
A: Yes, this LML EGR delete kit is compatible with all 2011–2016 Duramax models, including the 2013 Chevy Silverado 2500HD.

Q6: Will I need a new tune after installing this EGR delete?
A: Yes. Custom ECU tuning for Duramax LML is mandatory to disable the EGR system and prevent warning lights or drivability issues.

Q7: Is this kit a full delete or just a block-off?
A: This is a complete EGR cooler delete kit for 6.6L LML Duramax, removing both the EGR valve and cooler system entirely.

Q8: How much horsepower can I gain from this kit?
A: Most users report 15–20 HP gains when paired with proper tuning and intake/exhaust upgrades.