Tuner Depot All-in-one Kit GM Duramax L5P - All-In-One DPF/DEF/EGR Delete Kit (2017-2025)
6.6L Duramax L5P EGR Delete Kit | GMC/Chevy 2017-2026

2017-2019

$299.00
$440.00 $299.00
Sale 32% Sold out
  • Tuner Depot All-in-one Kit GM Duramax L5P - All-In-One DPF/DEF/EGR Delete Kit (2017-2025)
  • Black Bandit EGR GM Duramax L5P - EGR & Cooler Delete Kit (2017-2025)
  • Black Bandit EGR GM Duramax L5P - EGR & Cooler Delete Kit (2017-2025)
  • Black Bandit EGR GM Duramax L5P - EGR & Cooler Delete Kit (2017-2023)
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GM Duramax L5P, 6.6L (2017 - 2026)

6.6L Duramax L5P EGR Delete Kit | GMC/Chevy 2017-2026

6.6L Duramax L5P EGR Delete Kit | GMC/Chevy 2017-2026

1,723 Google Reviews

SKU:EGR-GM-17

$299.00
$440.00 $299.00
Sale 32% Sold out
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Introduction

The GM Duramax L5P – EGR & Cooler Delete Kit (2017–2026) removes the factory EGR valve and cooler to cut heat, soot, and failure points on 6.6L L5P platforms. Expect lower EGTs, steadier coolant temps and cleaner airflow for off-road performance. Custom tuning is required.

Features

  • Complete EGR and cooler removal for 2017–2026 L5P Duramax
  • CNC-fit aluminum and steel block-off plates for leak-free sealing
  • Pre-assembled coolant hoses for a clean, fast install
  • Full hardware and gasket set included
  • Designed to reduce backpressure and lower exhaust gas temperatures
  • For off-road/competition use; tuning mandatory

Benefits

  • Power and response: Quicker turbo spool and stronger mid-range
  • Towing confidence: Lower EGTs under sustained load
  • Efficiency: Potential fuel economy gains with proper calibration
  • Reliability: Fewer EGR-related clogs, leaks, and CELs
  • Longevity: Less heat and soot stress across engine systems

Compatibility

  • Years: 2017-2026
  • Makes: Chevrolet Silverado, GMC Sierra
  • Models: 2500, 3500, 4500, 5500
  • Engine: 6.6L Duramax L5P (Diesel)
  • Body: Pickup and Heavy Duty

Direct integration with L5P architecture; verify body style and accessory clearance before install

Technical Specifications

Kit includes:

  • 3 × Coolant hoses with pre-installed fittings
  • 1 × Aluminum block-off plate
  • 2 × Steel block-off plates
  • 4 × Grade 8.8 bolts
  • 1 × Vacuum cap
  • 2 × Hose clamps
  • 3 × Exhaust gaskets
  • 3 × Turbo gaskets
  • 1 × Aluminum 9th-injector block-off plug
  • 1 × Aluminum coolant-hose block-off plug

Materials: Aluminum and coated steel plates, silicone/formed coolant lines

Typical install time: 4–8 hours depending on tools and experience

Installation & Notes

Order of operations: Tune the vehicle first, confirm communications and no DTCs, then remove emissions parts and install the kit

Difficulty: Moderate; hand tools and coolant service required

Checks: Verify gasket seating, torque fasteners to spec, bleed cooling system, re-check after first heat cycle

Legal disclaimer: Off-road/competition use only. Not legal for highway use. Confirm local, state, and federal regulations

Shipping: Review shipping instructions and lead times before purchase

Frequently Asked Questions

Do I need custom tuning?

Yes. A calibration is required to disable EGR-related codes and optimize fueling/boost.

Will this fit my 2020 Sierra 3500?

Yes, the kit covers 2017–2026 L5P 2500/3500/4500/5500. Verify space and accessory routing.

What gains should I expect?

Lower EGTs, quicker spool, and smoother mid-range when paired with proper tuning.

Can I install this at home?

Many owners do. Professional installation is recommended if you’re new to coolant or turbo hardware.

Customer Reviews

Overall rating: 4.6 / 5 from 171 reviews.

Customer photo review of GM Duramax L5P All-In-One DPF/DEF/EGR Delete Kit (2017-2025)

Tuner depot was very helpful I thought I screwed up on the tune part and flashing the ecm but there customer service told me I didn’t mess it up and helped me through it but one thing for sure is nothing to do with tuner depot but no one every tells you on a first time doing one of these trucks the amount of hours it takes it took me almost 30 hours which if I had the right tools and confidence I could of probably cut it down to about 20 but kit works great it’s got awesome power now and I’ll be doing the down pipe very soon to I highly recommend just buying it and getting it over with because the truck is still very quiet almost like it’s a notch above stock

Andrew H. 5/5

GM Duramax L5P All-In-One DPF/DEF/EGR Delete Kit (2017-2025)

Customer photo review of GM Duramax L5P Cat & DPF Delete Pipe (2017-2025)

Just got them installed on my truck yesterday and cannot believe the increase in performance! Can’t wait to take it on a road trip already see more power increase and fuel mileage. Unbelievable would do it again tomorrow!

Jack D. 5/5 Verified

GM Duramax L5P Cat & DPF Delete Pipe (2017-2025)

Customer photo review of GM Duramax L5P Cat & DPF Delete Pipe (2017-2025)

I purchased the efi live sotf tunes along with Dpf delete kit, dpf was good quality, tuner worked with me and not only sent my autocal loaded with a sotf tune but also sent me a few single tunes to use until I installed the switch, the only negative was that 130hp was the max power tune single or switch on the fly, but over all I was pretty happy and service was very good throughout.

Michael A. 4/5 Verified

GM Duramax L5P Cat & DPF Delete Pipe (2017-2025)

Could have come with some kind of directions. Made it through it ok but a little direction would have been nice. Overall everything works as it should.

Brett S. 4/5 Verified

GM Duramax L5P CAN BUS Plug Kit (2017-2023)

Before installing never had a code after install getting low fuel rail pressure code under load. If I keep RPMs up just a little ( by switching to manual shift and never come out of 5 gear Allison 6 speed trans) will work fine . If u shift to 6th gear lower RPM as soon as u go up a little incline it starves for fuel and goes into reduced power mode. But if u mash the excelsior and down shifts it will take off like a rocket.

David M. 2/5 Verified

SOTF Switch for GM Duramax (2001-2023)

Muffler has great sound, no restrictions. The best part of the whole deal was the outstanding service and shipping that Tuner Depot provided. Would definitely use them again.

Jim H. 5/5 Verified

Stainless Steel Diesel Muffler

Nice mellow tone and quiet, no diesel is quiet but this muffler makes trips comfortable with no throwing noise at highway speeds.

Mike S. 5/5 Verified

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