GM/Chevy
Optimize your Duramax platform with Seguler Precision Chevy & GMC Solutions.
Engineered specifically to master the sophisticated electronic and thermal calibration of the 6.6L and 3.0L Duramax architectures (including LLY, LBZ, LML, and L5P platforms), Seguler systems deliver clinical hardware optimization without disrupting factory digital networks. Our Chevy/GMC series focuses on flawless integration with GM’s strict ECM monitoring, featuring micro-machined sensory interfaces and thermal-stable wiring overrides that eliminate factory restrictions while safeguarding digital signal continuity.
⚡ GM ECM Calibration Alignment | Advanced Thermal Harness Guard | Micro-Tolerance Engineering.
Do not trust your Duramax's sensitive digital architecture to generic, rough-cut hardware. Upgrade to Seguler calculated engineering for unmatched powertrain efficiency, zero dashboard error codes, and elite structural reliability.
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For 2011-2016 6.6L GMC Chevy Duramax Diesel LML EGR Valve Cooler Delete Kit
SEGULEROriginal price $66.49 - Original price $66.49Original price$66.49$66.49 - $66.49Current price $66.49| /5.0 / 5.0
1 Review
Material: Stainless steel, billet aluminum. Eliminate soot and block of EGR valve prevent high EGT from flow back into engine. Quicker turbo spoo...
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For 2004-2005 6.6L Chevy GMC Silverado LLY Duramax Diesel EGR Delete Kit
SEGULEROriginal price $92.99 - Original price $92.99Original price$92.99$92.99 - $92.99Current price $92.99| /4.5 / 5.0
2 Reviews
Material: Aluminum,Stainless steel,Silicone Eliminates soot build-up and clogged EGR Valves Direct replacement. No installation instruction. No Gl...
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Seguler 2017-2019 L5P Duramax Diesel 4pcs L5P Can Bus Plugs Connector Replacement
SEGULEROriginal price $75.00 - Original price $75.00Original price$75.00$75.00 - $75.00Current price $75.00| /5.0 / 5.0
1 Review
Material: ABS For use with an Aftermarket Exhaust System. A new engine calibration is required. Plugs will replace NOX and DEF modules. The L...
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For 2006-2007 6.6L Chevrolet Silverado Classic GMC Duramax LBZ Diesel EGR Valve Cooler Delete Kit
SEGULEROriginal price $63.49 - Original price $63.49Original price$63.49$63.49 - $63.49Current price $63.49| /4.0 / 5.0
1 Review
Material: Aluminum,Stainless steel,Silicone Eliminates soot build-up and clogged EGR Valves Guaranteed to last under high temperatures and pressu...
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Seguler 2020-2023 chevy duramax L5P Diesel Can Bus Plugs Connector
SEGULEROriginal price $80.00 - Original price $80.00Original price$80.00$80.00 - $80.00Current price $80.00| /3.0 / 5.0
1 Review
For use with aftermarket exhaust systems or delete pipes Used when removing the DPF/DEF systems These plugs will go in place of the NOx and DEF mo...
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Seguler 2011-2016 6.6L GMC Chevy Duramax Diesel LML Up-Pipe & EGR Valve Cooler Delete Kit
SEGULEROriginal price $173.86 - Original price $173.86Original price$173.86$173.86 - $173.86Current price $173.86| /4.0 / 5.0
1 Review
Material: 304 Stainless Steel. Reduce the amount of carbon deposited from exhaust to intake. Thanks to its fast airflow and superior engineered ex...
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For 2017-2023 6.6L Chevy GMC Duramax L5P diesel EGR Valve Cooler Delete kit
SEGULEROriginal price $131.99 - Original price $131.99Original price$131.99$131.99 - $131.99Current price $131.99| /5.0 / 5.0
1 Review
Material:Aluminum Alloy ,Stainless steel,Silica gel Improved Performance: Eliminating the EGR system leads to better exhaust flow and faster tur...
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For 2007-2010 6.6L Chevy GMC LMM Duramax EGR Valve Cooler Delete Kit Fit
SEGULEROriginal price $61.99 - Original price $61.99Original price$61.99$61.99 - $61.99Current price $61.99| /Material: Aluminum alloy,Stainless steel. Improves engine life by eliminating soot build-up and reducing fuel consumption. EGR valve cooler delet...
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3" Turbo Back DPF & EGR Delete Kit for 2020-2022 GM 3.0L LM2 Duramax — 409 Stainless Steel | SEGULER
SEGULEROriginal price $550.00 - Original price $550.00Original price$550.00$550.00 - $550.00Current price $550.00| /Complete Turbo-Back Solution for Your LM2 Duramax The SEGULER 3" Turbo Back Delete Kit is engineered specifically for the 2020-2022 GM 3.0L LM2 Du...
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For 2007-2010 6.6L Duramax LMM EGR Delete Kit High Flow Intake Elbow Pipe Tube
SEGULEROriginal price $119.99 - Original price $119.99Original price$119.99$119.99 - $119.99Current price $119.99| /Material: Aluminum alloy,Stainless steel. Eliminates soot build up and clogged EGR Valves. Prevent clogging and overheating to reduce the possib...
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For 2004-2005 6.6L Chevy GMC Duramax LLY Diesel EGR Delete Kit
SEGULEROriginal price $69.99 - Original price $69.99Original price$69.99$69.99 - $69.99Current price $69.99| /Provides LOWER running temperatures, BETTER throttle response, IMPROVED fuel economy, and INCREASED reliability! Ensures a clean, neat look to you...
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Seguler CCV Reroute/delete kit for 2017-2024 6.6L Chevy DuramaxL5P
SEGULEROriginal price $225.99 - Original price $225.99Original price$225.99$225.99 - $225.99Current price $225.99| /Material: Aluminum alloy rubber. Prevent high-temperature charge air from the turbo from entering the intake air horn through the factory CCV sys...
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For 2006-2007 6.6L Chevy Silverado Classic GMC Duramax LBZ Diesel EGR Delete Kit
SEGULEROriginal price $129.99 - Original price $129.99Original price$129.99$129.99 - $129.99Current price $129.99| /Material: Aluminum alloy,Stainless steel,Silica gel Improve fuel economy and engine longevity, restore overall fuel efficiency. Reduce engine temp...
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For 2004.5-2005 6.6L Chevrolet GMC Duramax LLY Diesel High Flow Turbo Intake Elbow
SEGULEROriginal price $82.99 - Original price $82.99Original price$82.99$82.99 - $82.99Current price $82.99| /4.33 / 5.0
3 Reviews
CNC Machined Turbo Mouthpiece. Black high-temperature coating, resistant to high temperatures. Threaded CCV Port For On & Off-Road Application...
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For 2004-2010 6.6L GMC Chevrolet Duramax Diesel Turbo Piping Kit CCV PCV Reroute Kit
SEGULEROriginal price $79.99 - Original price $79.99Original price$79.99$79.99 - $79.99Current price $79.99| /5.0 / 5.0
1 Review
Material: Aluminum alloy. Allows you to reroute the restrictive factory hoses. Black Anodized components for better durability. Reduce the engine ...
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Seguler 3" Turbo Back DPF Delete Pipe for 2020-2022 3.0L 1500 LM2 GM Chevy Duramax
SEGULEROriginal price $360.00 - Original price $360.00Original price$360.00$360.00 - $360.00Current price $360.00| /Material: 409 stainless steel. Mandrel-bent for a perfect fit and improved airflow. Lower Exhaust Gas Temperatures (EGTs) for improved engine hea...
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Seguler 2017-2023 6.6L Duramax L5P 3.5" Downpipe & EGR Cooler Delete kit
SEGULEROriginal price $387.22 - Original price $387.22Original price$387.22$387.22 - $387.22Current price $387.22| /Material:Stainless steel,Aluminum Alloy. Surface: Mirror Polish. 3.5" Stainless Steel Piping,20% better flow than the factory pipe. 4-bolt flang...
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Seguler 2011-2015 6.6L GMC Chevrolet Duramax LML Diesel Intake Elbow Bridge & EGR Valve Cooler Delete Kit
SEGULEROriginal price $172.67 - Original price $172.67Original price$172.67$172.67 - $172.67Current price $172.67| /5.0 / 5.0
1 Review
Material: Stainless steel & billet aluminum Pressure Tested TIG Welds Guaranteed not to Leak Increased Horsepower and Torque. Precision Ma...
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Seguler 4"/5" DP-Back DPF/EGR Delete kit for 2011-2016 6.6L Duramax LML
SEGULEROriginal price $65.49 - Original price $875.00Original price$65.49 - $875.00$65.49 - $875.00Current price $65.49| /Material: 409 Stainless steel & billet aluminum. Quicker turbo spool with lower EGTs. Increase in fuel efficiency, resulting in savings at t...
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Seguler CCV PCV ReRoute Delete Kit for 2011-2016 6.6L Chevy Duramax LML
SEGULEROriginal price $84.99 - Original price $84.99Original price$84.99$84.99 - $84.99Current price $84.99| /5.0 / 5.0
1 Review
Material:Aluminum alloy Vents crankcase blow by— decreasing oil deposits in the engine Venturi-style design— eliminates the need for restrictive b...
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Seguler 2017-2023 6.6L Duramax L5P DPF/CCV/EGR Delete & Downpipe w/Can Bus kit
SEGULEROriginal price $231.00 - Original price $1,532.00Original price$231.00 - $1,532.00$231.00 - $1,532.00Current price $231.00| /5.0 / 5.0
1 Review
Exhaust material: T-409 Stainless steel. 4"/5" DPF Delete pipe Exhaust System with 4-Bolt Flange. Increase the maximum traffic of competing appl...
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Seguler 2004-2005 6.6L Duramax LLY CCV PCV Reroute & EGR valve Delete Kit
SEGULEROriginal price $171.31 - Original price $171.31Original price$171.31$171.31 - $171.31Current price $171.31| /Material: Aluminum,Stainless steel,Silicone. Pressure Tested TIG Welds Guaranteed not to Leak. Specialized designs to ensure a perfect fit and c...
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Seguler 2006-2007.5 6.6L Chevy GMC Duramax Passenger Up-Pipe & Intake Tube & EGR valve Delete Kit
SEGULEROriginal price $235.72 - Original price $235.72Original price$235.72$235.72 - $235.72Current price $235.72| /Main Material: Aluminum alloy,Stainless steel,Silica gel Installation Type: Bolt-On Fit Passenger Side! Pressure Tested TIG Welds Guaranteed not...
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For 2011-2015 6.6L GMC Chevrolet Duramax LML Diesel Intake Elbow Bridge Kit
SEGULEROriginal price $108.00 - Original price $108.00Original price$108.00$108.00 - $108.00Current price $108.00| /Material:Aluminum alloy. Comes with Resonator Delete Block. Smooth unrestricted flow designed, increasing airflow 80%. Improves throttle respons...
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Let customers speak for us
from 102 reviewsVery happy with procuct ( received as described) Delivery time and sales were excellent.
Fit perfect no more vacuum leaks
Works like it should
Worked great! Fit my 5.3 LS perfectly
Parts were a perfect fit
Fit perfect no problems
Great product, service, and price. I would highly recommend them.
My Seguler Folding tire step
Fast , dependable service. Only issue is it would be cool if you sent short bolts for block off plates. The factory bolts are way too long to reuse . But overall great products. Thanks again ! Kenny down in ga!
Seguler 2009-2019 6.7L Ram Cummins Coolant Bypass Hose Barb Adapter Leak Repair Kit
Usps lost 1st order. Segular resent a replacement. Appears to be a perfect fit for my 1985 small block GM. I wouldn't be afraid to order from SEGULAR again. Great customer service!
Seguler 2009-2019 6.7L Ram Cummins Coolant Bypass Barb Adapter Leak Repair Kit
Seguler 2010+ Cummins Stage 2 ISX 15 CM2250 CM2350 EGR Delete Kit
Worked as should
For 2014-2019 3.0L Dodge Ram 1500 EcoDiesel EGR Valve & Cooler Delete Kit