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INSTALLATION
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GM/Chevy Duramax 6.6 LML Full Delete Bundle | 2011-2016

GM/Chevy Duramax 6.6 LML Full Delete Bundle | 2011-2016

Regular price $2,000.00
Regular price Sale price $2,000.00
Sale Sold out
Shipping calculated at checkout.

  • Unlock Full Power

    Unlock Full Power

    DPF, EGR & DEF gone

  • Easy Installation

    Easy Installation

    No shop required

  • Save Thousands Of Dollars

    Save Thousands Of Dollars

    Eliminate Repairs

Choose One
What's The Difference? +
Truck Model
2015 vs 2015.5 +
Exhaust Options
  • Real Human Support
  • Fast Response
  • Help With Setup

Shipping Expectations

We Pay USA Shipping

Excluding Hawaii or Alaska

Processing Time

Takes up to 1 business day unless Priority processing is added on then you get bumped to the next in line

Shipping Time

Orders are shipped out for in stock products 5-8 business days

Tracking Updates

Tracking provided when shipped

View full details

WHAT'S INCLUDED

In the Box
  • Complete delete hardware kit (vehicle-specific)
  • Complete Delete Kit hardware (Tuner, Pipe of choice and EGR kit)
  • Bolts and clamps provided
  • Switches and Cables needed for tuner
  • Digital Instructions and Videos emailed after purchase
Tuning / Software
  • Tuning Device (BDX, EFI Live, Ez Lynk based on configuration)
  • Custom Tune files sent after purchase or through the Cloud sharing
  • Set up instructions provided before installing Software or Tuner
At a Glance
  • Fitment help available before ordering (sales number)
  • Tracking provided when order ships
  • Everything you will need to delete your truck
  • Support available via Email support

Product Information

Collapsible content

FITMENT

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Please choose the correct year variant before placing your order.

This kit is compatible with:

  • Years: 2011–2016
  • Models: Chevy Silverado and GMC Sierra 2500HD and 3500HD
  • Engine: 6.6L LML Duramax
  • Body styles: all pickup trims, cab sizes and box lengths

Not compatible with: Cab & Chassis models. For Cab & Chassis trucks, please contact our team at (888) 830-2588.

NO MORE EMISSIONS CODES

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When you install the delete tune, your truck will no longer have emission related codes or warnings. 

This includes all

1) “See Dealer” codes

2) Check engine codes

3) “Exhaust system service required” codes

4) Limp Mode codes

5) Other emissions related diagnostic codes

BENEFITS

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By deleting the factory emissions system that’s been suffocating your diesel, you’ll notice a night-and-day difference right away.

  • Better performance: your truck runs better in every way, starting with throttle response.
  • Better fuel economy: an average 5 mpg increase.
  • Pays for itself: over time, the fuel savings alone cover the cost of the kit.
  • Fewer shop visits: no more costly trips to the dealer for emissions repairs.
  • Peace of mind: your truck no longer has a ticking time bomb attached to it.

TUNE POWER SETTINGS

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Our custom tunes include multiple power levels, so you can run your truck the way you want. The included rotary switch lets you change between levels in real time (also known as “shift on the fly”).

EFI Live power settings:

  • Level 1 (Stock): no added HP. Ideal for fuel economy, reliability, towing and daily driving.
  • Level 2: +30 HP. Ideal for fuel economy, reliability, towing and daily driving, with a little extra boost for fun.
  • Level 3: +65 HP. Ideal for towing and daily driving.
  • Level 4: +100 HP. Ideal for performance applications.
  • Level 5: +130 HP. Recommended only for modified trucks.

EZ Lynk power settings:

  • Level 1 (Stock): no added HP. Ideal for fuel economy, reliability, towing and daily driving.
  • Level 2: +50 HP. Ideal for fuel economy, reliability, towing and daily driving.
  • Level 3: +100 HP. Ideal for performance applications.
  • Level 4: +150 HP. Ideal for performance applications; truck modifications may be required.
  • Level 5: +200 HP. Recommended only for modified trucks.

TRANSMISSION TUNING

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Transmission tuning is included with the EZ Lynk bundle. We’ll email you instructions for the transmission relearn.

It optimizes shift points and line pressure for long-term transmission reliability, and it improves fuel economy too.

Not available for: the EFI Live bundle

WHAT'S INCLUDED?

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The bundle includes:

  • EFI Live or EZ Lynk delete tuner with our custom delete tunes, plus all required accessories (preloaded on the EZ Lynk, emailed for the EFI Live)
  • Rotary switch to change power levels
  • 4" stainless steel DPF & CAT delete pipe (all other pipe variants are aluminized)
  • Complete EGR delete kit

Optional add-ons:

  • 5" full exhaust system upgrade
  • Muffler system

HOW DOES IT WORK?

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The GM/Chevy Duramax 6.6L LML Full Delete bundle will permanently upgrade your truck to work without the suffocating factory emissions system.

This means you can remove ALL emissions-related parts and sensors for good, including:

  • DPF (Diesel Particulate Filter)
  • DEF Tank (Diesel Exhaust Fluid)
  • EGR System (Exhaust Gas Recirculation)
  • CAT (Catalytic Converters, including DOC and NOx)

This is made possible by our custom delete tunes that wipe away the emissions system from your truck’s computer.

How it works

  1. Plug in the tuner. Connect it to your truck’s OBD-II port, located under the steering wheel.
  2. Load the tune. Follow the installation instructions we send you. Tech support is available if you need a hand.
  3. Remove the parts. Once the emissions system is “deleted” from the programming, you can remove everything holding your diesel back.

What’s in the kit

  • DPF/CAT delete pipe: bolts in where the factory DPF and CAT were.
  • EGR delete kit: lets you remove the factory EGR system, seal the openings, and reroute exhaust out the pipe.
  • Optional upgrades: a 5" full exhaust system and a muffler system are also available.

IMPORTANT INSTALLATION INFORMATION

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Not tech savvy? Nervous about the software or frying your truck? No worries! Every order comes with a step-by-step instruction guide, and if you run into any issues, we’ve got your back. Contact us anytime and we’ll get it sorted.

  • EZ Lynk tuner: comes preloaded with our custom delete tune. Just plug it into your truck’s OBD-II port and follow our instructions.
  • EFI Live tuner: takes a few more steps to install. See the EFI Live tab below for details.
  • DPF delete pipe: bolts on with the bolts and clamps we provide. No welding, just basic tools you probably already own, like wrenches and ratchets.
  • EGR delete kit: also fully bolt-on with no welding required. We’ll email you installation videos for these parts.

If you’re a complete fish out of water when it comes to working on your truck, we highly recommend having a shop do the install.

IMPORTANT FOR EFI LIVE PLEASE READ!

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The delete tunes are not preloaded on the EFI Live. Here’s how you’ll install our custom delete tune:

  1. Get your tune. We’ll email you your custom delete tune.
  2. Install the software. Download the free EFI Live V8 software on your computer.
  3. Load the tune. Use the software to transfer the tune from your computer to your EFI Live. We’ll send you basic instructions for this.

What you’ll need:

  • A Windows computer: check the EFI Live minimum computer requirements tab. Macs and older PCs won’t work.
  • Basic computer skills

If this sounds like too much hassle, we recommend the EZ Lynk bundle.

EFI LIVE MINIMUM COMPUTER REQUIREMENTS

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EFI Live bundle only: the EZ Lynk bundle doesn’t need a computer.

To make sure your EFI Live delete tuner runs without problems, check that your computer meets these minimum requirements:

  • Software: EFI Live Scan & Tune V8, free to download from EFI Live’s website
  • Operating system: a PC or laptop running Windows 10 or 11
  • Not compatible with: Mac or Linux
  • Connectivity: one available USB port to connect the tuner
  • Display: a standard monitor or laptop screen
  • Storage: at least 1 GB of free hard drive space

HOW TO SEND US YOUR VEHICLE INFO

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Every tune for this bundle is one of our custom tunes, built specifically for your truck, so we need a few details from you first.

  1. Check your email. After you purchase, we’ll email you a vehicle information form.
  2. Fill out the form. Complete it online with the details we ask for, such as your VIN and your truck’s year, make and model.
  3. Submit it. We need the completed form before we can build your custom tune and ship your order.

How you’ll get your tune:

  • EZ Lynk: ships with your tunes ready to install. Once you connect it to your truck and finish the setup, your tunes appear under ECU profiles.
  • EFI Live: we’ll email you the delete tune file with instructions for downloading it. See the EFI Live tab for more details.

Don’t see the email, or running into any issues? Open a support ticket and our team will help.

SHIPPING & RETURNS

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Processing

Right after you complete your purchase, we’ll email you a vehicle information form. We need it before we can build your custom tune, so processing starts once you submit the form. Processing takes 1–2 business days, and then your kit ships.

Shipping

  • Standard: 5–8 business days
  • Express: 3–4 business days, for an additional $199 on this bundle ($299 with the 5" exhaust)

Alaska, Hawaii, and some Canadian locations are subject to additional freight charges.

Returns

Each item in this bundle has its own return policy, so please read carefully:

  • EFI Live and EZ Lynk delete tuners: built to order, so they aren’t eligible for refunds or cancellations. We guarantee the tuner will work, and if you receive a faulty or damaged tuner, we’ll replace it.
  • Exhaust systems and DPF/CAT delete pipes: final sale and not eligible for a refund or return. If you receive a faulty or wrong product, we’ll send you a replacement.
  • EGR delete kit: returnable within 30 days of purchase if unused (never installed on your truck). You’re responsible for return shipping, and there’s a $30 restocking fee.

The Duramax 6.6 LML Full Delete Bundle for 2011–2016 GM/Chevy Sierra/Silverado 2500 and 3500 permanently upgrades your truck to run without the factory emissions system. Once the delete tune is installed, the "See Dealer" codes, check engine lights, "Exhaust system service required" alerts, and limp mode codes are gone. It fits all pickup trims, cab and box lengths, but not Cab & Chassis trucks, so call (888) 830-2588 for those.

The tune lets you remove the DPF (Diesel Particulate Filter), DEF tank (Diesel Exhaust Fluid), EGR system (Exhaust Gas Recirculation), and CAT (including DOC and NOX) for good. It comes in two bundle options, both built around a 4" stainless DPF & CAT delete pipe (other pipe variants are aluminized), a complete EGR delete kit, and a rotary switch, with an optional 5" exhaust and muffler.

The EFI Live bundle ships tunes by email that you load via the free EFI Live V8 software on a Windows 10 or 11 PC, and it runs four power settings: Stock, +30HP, +65HP, and +100HP, plus +130HP for modified trucks. The Ez Lynk bundle ships preloaded, plug-and-play with the AutoAgent app for monitoring, adds Hiss and Rumble tunes, can factory-reset from the device, and runs Stock, +50HP, +100HP, +150HP, and +200HP. Transmission tuning is included with the Ez Lynk package only.

Most owners report a 5 MPG increase on average. Tuners are built to order and non-refundable but replaced if faulty; pipes are final sale; the EGR kit is returnable unused within 30 days with a $30 restocking fee.

For off-road/competition use only.

Frequently Asked Questions

Didn’t find what you were looking for? Reach out below!

A Full Delete Kit removes all emissions components that commonly fail—DPF (Diesel Particulate Filter), EGR (Exhaust Gas Recirculation), and DEF (Diesel Exhaust Fluid) systems. Our kits include the tuner, delete pipes, and any required sensors or block-off plates—customized for your truck’s make, model, and year.
Most of our customers install the kit themselves with basic tools in a garage or driveway. Average install time: - DPF pipe: 1–2 hours - EGR delete: 2–4 hours - Tuning: 20–40 minutes We include guides and offer full lifetime support.
Our custom tuning disables all emissions-related codes, CELs (Check Engine Lights), and regen cycles. Once the tune is installed, the truck will stop trying to regen or enter limp mode.
Delete kits are for off-road and race-use only. They are not legal for highway use in the U.S. or Canada, especially in states with strict emissions laws (like California). Many customers in rural areas or provinces without emissions testing still choose to delete for reliability and performance.
Many customers opt to electronically disable the EGR without physically removing it, especially for a cleaner engine bay or quicker install. Our tuners support both full deletes and “leave-in-place” disable setups.
Yes. Most customers report a gain of 2–5 MPG depending on driving style, tune level, and truck setup. You’ll also eliminate DEF refills and regen cycles, which further saves fuel.
No cutting or welding is needed for most applications. Our pipes bolt up directly to factory locations and use existing mounts and gaskets. We make it easy to return to stock if needed.
Deleting the DPF will make the exhaust louder. You’ll hear more turbo spool, engine tone, and exhaust note, especially with a straight pipe. We offer optional mufflers for those who want a quieter ride.
We’re not just a parts store—we’re diesel truck owners too. Here’s why customers choose us: - All-in-one bundles, no guesswork - Lifetime support with install help, updates, and tuning questions - Fast shipping and transparent pricing - Trusted by thousands of truck owners across North America.

Didn’t find your answer?

Don't hesitate to contact us by filling out the form below or call (888)-830-2588

*By submitting these details, I consent to be contacted by SMS, Email, or Phone
  • 5 stars: 185 (88%)
  • 4 stars: 21 (10%)
  • 3 stars: 5 (2%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
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Danny Evans
I love it

So far I love it I’m averaging 4-5 mpg better and way more power. I just did a single tune at 50hp and can feel a huge difference in power

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Sean McCarraher
Easy Install

The delete kit by the Dudes was awesome! The power that is now coming from my 6.6 is incredible!! 100% satisfied with the product and all the installation support that came with the kit.

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Shaun Music
Stranded in Paradise

Left down and out 375 miles from home with my daughter and dog. After my LML going to 4mph and not reseting when new parts were installed, nor a diesel shop able to clear the codes. Weather fantastic and a beach nearby of much sweet water. Ordered the kit, once arriving within 7 days of ordering with some mechanical knowledge and hand tools did it right in the parking lot within 2 hours (all but egr) all went as it should and was back on the road… great kit easy to do highly recommended … and gained 5mpg at average 75mph

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Shawn Bennett
2014 lml

Everything fit perfectly and the tuner was flawless. Had a gain in fuel mileage also. 13.1mpg to 19.4mpg

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Grant Adams
2011 Chevy 2500hd lml Duramax EFI live autocal v 3 tuner and bundle full delete kit

The kit is very high quality t409 stainless steel 5” flow pro exhaust and muffler was also stainless steel works great and has a wonderful diesel exhaust note now. Muffler got rid of drown as I tow a lot with my truck and fuel mileage went up about 3-4 more miles per gallon towing loads of 4-12k pounds which will pay for itself in a year or two. My trucks runs better and can breath now. I also ordered the 3” down pipe and egr delete kit and manifold to replace the stock up pipe that will be weak after you remove your egr valves if you wish to. Definitely worth the money. Be careful when removing exhaust systems as I broke a abs wheel speed sensor and had a traction control and service stabilizer engine code come on after I installed everything and had to replace them. I am running the optimize stock tune and feel like it should work fine and keep the truck reliable when towing heavy loads.

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Nick Graves
2013 LML 6.6 full delete with 5” straight pipe

The Diesel Dudes were awesome to deal with! Ryan helped me out when I was ordering and kept me up to date on everything! Everything showed up very quickly! Tuner took a little bit longer to get here. Everything is well made and good quality! Took my girlfriend and I roughly 14 hours to do the full delete. We did a lot of research before doing the job ourselfs. The instructions are pretty basic and could be more detailed. But overall very happy with everything!

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Jeremy Rogers
2012 6.6liter LML Duramax can finally BREATH !!!!

I went with the full 5 inch stainless with muffler kit , EGR delete kit and EZLink tuner with shift on the fly five stage knob. This kit was shipped very quickly and was not that bad to install. I did it in my driveway with basic tools and didn’t even have to use a jack. I recommend two things however. Buy a rolling creeper, and start spraying the EGR bolts with PB Blaster three days before attempting to break them free. I soaked mine four times a day for three days and they came out easily. The hardest part was the three against the firewall on the top of the up pipe. Plenty of videos on YouTube to guide you through it. Take your time, crack, a beer, and don’t rush yourself. CUSTOMER SERVICE IS AMAZING There are many other companies you can buy this kit from but the customer service from Diesel Dudes is worth its weight in gold. Had a few issues, but the technician walked me through it and stayed on the line with me until he was convinced we had it fixed. Would definitely recommend this kit to anybody wanting to unleash the beast in their diesel truck. After you buy the kit, you will get an email with a gift card code you can use to buy swag. Love the Trump 2024 gear. Now let’s go roll coal baby !!!

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Erik Leech
Ez-lynk bundle dpf/cat with muffler

Took me awhile but was definitely worth it.

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troy schwab
Its a whole new truck!!! finally sounds like a diesel! Turbo whistle for days!

I'm not seeing the 5mpg increase like I was hoping but I am loving how my truck sounds now. 5" straight pipe makes my jaw tired from smiling all day. It took me 6 days to install everything by myself. would have been much easier with 2 people. the EGR delete instructions suck. just go to YouTube and you'll be fine. lots of blood sweat and beers went into this and I couldn't be more happy! I haven't turned up the dial past 3 yet because I have a CP4 pump still. I'm excited to remedy that and turn it up all the way! I used a slide hammer with a pair of vice grips welded to the end to rip out the heat shield on the downpipe. I highly recommend making one of those. they come in handy for all sorts of projects.

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Toby Silvertooth
Great customer support and product

Excellent product. Customer service extremely helpful before and after this sell. Full delete ez lynk bundle purchase. I did get the muffler over the exhaust delete without the muffler. Instructions sent with measurements using the delete pipe section only. I used the post DPF cut measurement of 11” that was provided and then cut 11” off the new exhaust pre muffler on the non flared side. This was because the muffler was 11” longer than the delete pipe in between the flared ends. This would be helpful to include as a pro tip or something in the install instructions. Pictures show the difference where the pipe lands and then soapstone marks where I made the two cuts. Overall very happy with the products and service.

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Evan Watte
Great product and service

I have 15 Denali 3500 this was great product it was easy to install, doing egr next week runs so much better and all the guys over there are easy to talk to and answered all my questions that I asked thanks again and will be buying from you guys again and recommending you THANKS

J
J.S.
Missing part?!?!

well, yesterday night, I got my “kit” in but it wasn’t a full kit or I’m just really blind. All I got was my exhaust and my EGR delete I cannot find my tuner anywhere don’t get me wrong. Everything looks really good but how do you forget the most important part of the kit so now I have to wait till Monday for them to respond back to me and this is my only day off for about two more weeks and I was going to put it on today so diesel dudes This is the only complaint I have.

Jack,

Our full delete bundles ship in separate packages. We don't ship your tuner with the pipes and egr kit, because it would get crushed by the weight of the exhaust, or it could easily get damaged in transit.

All tuners are shipped separately, via Air shipping. Please check your email for all the tracking numbers you received as it will give you an ETA on your tuner.

If you cannot find your tracking number, please open a support ticket here: https://thedieseldudes.com/pages/submit-support-ticket

S
Scott Sievers
So relieved!

It was exactly as easy as they said it would be. Installed the tune with no issues. Unplugged accessories according to instructions. A COUPLE button clicks did not match up with exactly what was on the instructions, but easy enough to figure out. When it finished, I unplugged it and started the truck. Ran great! Cut out the exhaust and def fluid tanks, installed the straight pipe... I FULLY expected to need a muffler, but, it is quiet inside the cab despite the straight pipe. Havent driven it far, but fuel economy went form 14.4 to 20 mpg. I also did not install the switch to bump up HP, do not need it, and it would be very tempting.... So it is better off staying in the box. Overall? It was so easy and straight forward that I HAVE to recommend it. No more being stranded 900 miles from home when the emission system decides to limit my speed.

S
SPIKE
Best upgrade ever

I just finished my delete today, new 5 inch exhaust. I went with everything the technician from Diesel Dudes recommended. It is unbelievable the difference. This is how a diesel truck should come from the factory. I cannot thank Diesel Dudes enough. Excellent products and quality.

B
Brandon Saintenoy

Awesome kit and tuning worked great

A
Albert Abbot

GM/Chevy Duramax 6.6 LML Full Delete Bundle | 2011-2016

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Chad
GM/Chevy Duramax 6.6 LML Full Delete Bundle | 2011-2016

Shipped fast, and between fast responses from everyone on the tech team and all the instructions and videos they give you made it an easy install. Truck runs amazing and sounds great. Also getting crazy MPG now as well. Will be ordering anything else I need from them. Thanks guys!

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John shoemaker
Parts

Thank you for the diagnostic tool and the quaility parts. I am very impressed by how easy it was to fix my truck with your products.

M
Matt Burchart
Great kit! and Great Support

the entire team was great. thank you. the kit was easy to do, and program and wakes the truck right up. thank you again!

A
Anonymous
Delete kit

Everything worked well. The written instructions are a little complicated to navigate. The pages are not in order so you have to scroll around to find d the next page. Other than that the kit worked great.

J
Josh Peterka

GM/Chevy Duramax 6.6 LML Full Delete Bundle | 2011-2016

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    Show You A Large Catalog Of Options And Tell You "Good Luck, Figure It Out"