Skip to content
LIMITED TIME: Take 15% Off Site-Wide with Code: TRUCK15
LIMITED TIME: Take 15% Off Site-Wide with Code: TRUCK15
Seguler EGR & DPF Delete Kit Fit 2004.5-2023 6.6L Chevy GMC LLY LBZ LMM LML L5P Duramax
by SEGULER

Seguler EGR & DPF Delete Kit Fit 2004.5-2023 6.6L Chevy GMC LLY LBZ LMM LML L5P Duramax

SKU ER-0028/DP-0304/DP-0287
$301.40 - $1,246.19
$859.86
$301.40 - $1,246.19
$859.86
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Request a quote

FITMENT

  • 2004.5–2005 Chevrolet Silverado & GMC Sierra 2500HD / 3500HD 6.6L Duramax LLY.
  • 2006–2007.4 Chevrolet Silverado & GMC Sierra 2500HD / 3500HD 6.6L Duramax LBZ.
  • 2007.5–2010 Chevrolet Silverado & GMC Sierra 2500HD / 3500HD 6.6L Duramax LMM.
  • 2011–2016 Chevrolet Silverado & GMC Sierra 2500HD / 3500HD 6.6L Duramax LML.
  • 2017–2023 Chevrolet Silverado & GMC Sierra 2500HD / 3500HD 6.6L Duramax L5P.
  • Note: All DPF race pipes and exhaust kits fit standard pickup trucks (Crew Cab, Double Cab, Regular Cab with Short or Long Bed). They do NOT fit commercial Cab & Chassis flatbed setups.

DESCRIPTION

Product Overview

  • Factory emissions systems on the GM 6.6L Duramax platforms are well-known failure bottlenecks across every generation. From sticky EGR valves and ruptured cooling passages on LLY/LBZ/LMM platforms to fuel-diluting DPF regen cycles, DEF quality sensor faults, and CP4 pump thermal stress on LML and L5P platforms, stock components continuously compromise engine longevity and towing capacity.
  • Customize your Chevy/GMC Duramax build with our modular EGR delete, straight pipe, and muffler combo. Featuring CNC-machined billet plates and stainless steel piping, this kit permanently stops regen cycles, lowers towing EGTs, and unleashes true Duramax horsepower and turbo response.
Key Features
  • Premium CNC Billet & Stainless Steel: Precision 6061-T6 aluminum plates and mandrel-bent stainless piping resist warping, boost leaks, and cracking under intense heat.
  • Instant Backpressure Drop: Replaces restrictive factory cat, DPF, and SCR assemblies with a smooth, continuous bore to slash turbo backpressure.
  • Lower Towing EGTs: Rapid exhaust flow drops turbine temperatures and protects head gaskets and high-pressure pumps under heavy loads.
  • Stops Carbon & Sludge Buildup: Permanently seals the EGR loop to keep abrasive soot out of your intake manifold and engine oil.
  • Aggressive Duramax Tone: Straight-through piping unleashes a deep V8 exhaust growl and crisp variable-vane turbo whistle.

FAQ

Q: Does this kit include a tuner/programmer, and is tuning mandatory?

A: No, this kit includes physical hardware only and does NOT come with a tuner. A custom delete tune (Minimaxx V2, HP Tuners) is strictly required to disable emissions monitoring. Installing delete parts on stock ECM software will immediately trigger CEL and limp mode.

Q: Which exhaust option should I select if I drive a 2004.5–2005 LLY or 2006–2007 LBZ?

A: Factory LLY and LBZ trucks do not have a factory DPF system (DPF was introduced on 2007.5 LMM models). For LLY/LBZ, choose the 4" /5" Downpipe Back Pipe to replace the restrictive factory catalytic converter and center muffler

Q: Should I install a CCV / PCV Reroute Kit along with the EGR delete?

A: Yes, it is highly recommended. The EGR delete only stops exhaust carbon soot from recirculating, while the factory crankcase ventilation still routes heavy oil vapor into your intake manifold. Installing both at the same time completely eliminates the mixture of soot and oil sludge from coating your turbocharger and intake tract.

Q: How do I choose between the 4" Race Pipe and 5" Downpipe-Back exhaust?

A: The 4" Race Pipe directly replaces only the factory catalytic converter and DPF/SCR mid-section, connecting straight to your factory rear tailpipe for a cost-effective, drone-free setup. The 5" Downpipe-Back replaces the entire exhaust from behind the downpipe to the rear tip, providing maximum exhaust volume, maximum EGT drop, and a deep straight-pipe roar for high-horsepower builds.