Duramax Full Delete Kits
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A Duramax Full Delete Kit removes the DPF, DEF/SCR and EGR systems in one order. Each kit pairs a delete pipe or full exhaust with EGR delete hardware and a tuner loaded with calibrations for your engine and year. The collection covers the 6.6L Duramax across its L5P, LML, LMM and LBZ generations, plus the 3.0L LM2, in Chevy Silverado and GMC Sierra trucks. What the kit removes depends on generation, since the LMM never had DEF and the LBZ left the factory without a DPF or DEF, so those kits cover only the hardware your truck has.
Which Duramax Delete Kit Fits Your Truck?
The correct Duramax Delete Kit matches your engine code, model year, pickup configuration, controller, and exhaust connection.
|
Engine |
Years |
Trucks |
Systems removed |
|---|---|---|---|
|
L5P 6.6L |
2017–2023 |
Silverado 2500HD/3500HD; Sierra 2500HD/3500HD Pickup |
DPF, DEF/SCR, EGR |
|
L5P 6.6L |
2024–2026 |
Silverado 2500HD/3500HD; Sierra 2500HD/3500HD Pickup |
DPF, DEF/SCR, EGR |
|
LML 6.6L |
2011–2015, early-2015 V-band applications |
Silverado 2500HD/3500HD; Sierra 2500HD/3500HD Pickup |
DPF, DEF/SCR, EGR |
|
LML 6.6L |
2015.5–2016, late-2015 3-bolt applications |
Silverado 2500HD/3500HD; Sierra 2500HD/3500HD Pickup |
DPF, DEF/SCR, EGR |
|
LM2 3.0L |
2020–2022, supported E46 applications |
Silverado 1500; Sierra 1500 Pickup |
DPF, DEF/SCR, EGR |
|
LMM 6.6L |
2007.5–2010 |
Silverado 2500HD/3500HD; Sierra 2500HD/3500HD Pickup |
DPF, catalyst, EGR |
|
LBZ 6.6L |
2006–2007 |
Silverado 2500HD/3500; Sierra 2500HD/3500 Pickup |
EGR, catalyst |
For Silverado 2500HD / Sierra 2500HD applications, confirm the engine before selecting a package. A model year alone cannot establish compatibility at a generation change.
Early-2015 LML trucks use a V-band connection; late-2015 and 2016 trucks use a 3-bolt flange. Supported LM2 pickups require the E46 controller; late-production 2022 E66 applications are excluded.
Send your VIN, model year, body style, and existing modification details to Dieselino for fitment support. The listed GM Duramax bundles cover pickup applications; Cab & Chassis fitment requires separate confirmation.
What's Included in a Duramax Full Delete Kit
All-in-one Duramax delete kits combine the main hardware and matched programming in one order, avoiding separate purchases of the listed core parts when all required options are selected.
-
Tuner or programming interface: The supplied device provides the supported connection for loading the calibration.
-
Matched tune: Preloaded programming or a vehicle-specific tune matches the selected platform and controller.
-
Delete Pipe or Exhaust System: The selected exhaust replaces the applicable factory section, with diameter and muffler choices varying by model.
-
EGR hardware: The generation-specific assembly includes the listed block-off parts, coolant connections, seals, and mounting hardware.
-
Installation hardware: Clamps, fasteners, and fittings support the selected mechanical configuration.
-
Programming instructions and tuner support: The supplied instructions explain file loading and setup, with support depending on the chosen package.
-
Controller access and licensing: Required tools, credits, and any selectable ECM service must match the vehicle and programming route.
An all-in-one kit follows the equipment fitted to your truck. A DEF Delete Kit description applies only to a model equipped with the corresponding factory system.
Full Delete Kit vs Buying Delete Parts Separately
A Duramax All-in-One Delete Kit groups compatible hardware and calibration into one order, reducing the checks required when sourcing each component separately.
|
Consideration |
Full Delete Kit |
Parts bought separately |
|---|---|---|
|
Compatibility |
Parts and programming are grouped for the listed vehicle application. |
Check each part against the truck, controller, and remaining components. |
|
Orders and shipping |
Select the main parts through one bundle listing. |
Coordinate separate purchases and any associated shipping charges. |
|
Total cost |
Review one configured price, including any required selectable services. |
Add individual hardware, calibration, licensing, controller services, and shipping costs. |
|
If something doesn't fit |
Dieselino can review the selected bundle against your vehicle details. |
Determine which purchase conflicts with the remaining parts or programming. |
For a Duramax L5P, the bundle brings controller access into the selection process; required unlock services must be selected where offered separately. Dieselino provides fitment assistance using the VIN, body style, and controller information. Request a vehicle-specific check before purchase so the hardware and calibration can be assessed together.
L5P Duramax (2017–2026)
An L5P delete kit is selected from two bundles with different controller-access requirements. Factory ECM protection adds programming equipment and unlocking requirements, helping explain the higher starting price than older platforms. The 2024–2026 bundle serves the newest generation and requires a send-in ECM unlock. Select the applicable controller service when configuring your L5P Duramax delete kit.
LML Duramax (2011–2016)
An LML delete kit must match one of two exhaust connections: early V-band or late 3-bolt. Three bundles cover the early configuration, while two cover the later flange arrangement. Several tuner options offer preloaded or vehicle-specific programming. Choose your LML Duramax delete kit by physical fitment, then compare calibration delivery, exhaust choices, and the support included with each bundle.
3.0 Duramax LM2 (2020–2022)
A 3.0 Duramax delete kit fits the diesel Silverado 1500 and Sierra 1500, which puts it on half-ton pickups and keeps it off the HD trucks. The kit removes the same three systems as on the L5P, and the tuning runs through OBD2 once you send your E46 ECM in for the unlock. That covers 2020 through early 2022 trucks. Late-2022 trucks with the E66 controller and the 2023+ LZ0 engine need a different path, so send us your VIN if you are unsure which ECM your truck carries.
LMM Duramax (2007.5–2010)
An LMM delete kit covers every 2007.5–2010 truck in one order. The LMM was the first Duramax with a DPF and the last without DEF, which keeps the kit simpler and makes it the cheapest in this collection. You can pair it with the H&S Mini Maxx V1 or V2 for a preloaded handheld, or with the EFI Live AutoCal V3 if you want a custom tune written for your truck. Both bundles let you choose a muffler at checkout.
LBZ Duramax (2006–2007)
The LBZ engine left the factory without a DPF or DEF, so a delete on this engine means a different kit. The package centers on the EGR delete kit and the catalyst section of the exhaust, with the EFI Live AutoCal V3 handling the calibration. You can add a transmission tune and pick a muffler when you order, and the kit covers the 2006-2007 pickups only.
FAQs
For a 2017-2023 truck, the best choice is the Full Delete Kit with ECM Tuning, which pairs the hardware with the E41 tuning path for those years. A 2024-2026 truck needs the separate 2024-2026 Full Delete Kit, because the newer E42 controller takes a different unlock and calibration route. Pick the bundle for your model year first, then choose exhaust, power level and transmission tuning inside it. If you want the two kits compared side by side, with real prices and what each setup costs to run, read our guide to the best L5P delete kit for 2017-2026 Duramax.
L5P bundles start at $3,227 for 2017–2023 trucks and $3,694 for 2024–2026 models, before additional options and installation labor. When asking “how much does it cost to delete a L5P,” include the required ECM service, selected exhaust, and any transmission calibration. Check the configured product price and read the L5P cost and configuration guide before budgeting.
The best LML delete kit starts with your exhaust connection. Trucks built through early 2015 use a V-band flange and belong in the 2011-2015 LML Duramax collection, while late-2015 and 2016 trucks use a 3-bolt flange and belong in the 2015.5-2016 LML Duramax collection. Within the right year, the Mini Maxx V2 bundle is the preloaded, plug-in choice at the lowest price, the EFI Live AutoCal V3 bundle brings a tune written for your VIN with an optional TCM tune, and the EZ Lynk Auto Agent 3 bundle adds cloud delivery and remote support. Pick the tuner by how much support you want after the install, since all three remove the same hardware.
A model year alone is not enough to identify Duramax years to avoid; maintenance records, mechanical condition, and prior modifications must be assessed together. Before buying a used diesel truck, arrange an inspection covering cold starting, fuel-system operation, cooling, transmission behavior, and fault codes. A delete package cannot repair underlying mechanical damage, and purchasing performance parts should follow diagnosis rather than replace it.
A Duramax delete requires compatible hardware, controller access where applicable, and calibration matched to the selected configuration. Owners researching how to delete L5P trucks must establish the required ECM-access route before installation. Have a qualified installer coordinate programming, exhaust and EGR work, and final diagnostic checks following each supplied programming instruction with tuner support. Unrelated faults still require separate diagnosis.
Yes, Dieselino lists a dedicated L5P package covering supported 2024–2026 HD pickups, including 2024 and 2025 models. The 2024–2026 platform requires a send-in ECM unlock and compatible programming. Select the required ECM Unlock Service and exhaust configuration before ordering. Product availability does not establish legal permission to alter factory controls; confirm applicable law and vehicle-use requirements before installation.
The collection does not list a complete LB7 Delete Kit or LLY bundle; the earliest complete package listed is for LBZ. Separate tuning and exhaust products are available in the 2001-2007 GM Duramax collection. Check each listing’s engine coverage and physical fitment individually. An LBZ EGR assembly cannot be assumed compatible with LB7 or LLY simply because the engines share a 6.6L displacement.
The listed LML and L5P bundles are complete configurations, rather than dedicated DEF-only packages. A separate partial configuration requires explicitly supported hardware and calibration; a complete 6.6 Duramax Delete Kit should not be assumed compatible with partial installation. LBZ and LMM lack the corresponding factory system.