Cummins Delete Pipe

What's a Cummins Delete Pipe?

A Cummins delete pipe (specifically for the 6.7L engines found in RAM 2500/3500 trucks) is a high-flow, straight-through exhaust component designed to physically replace the restrictive factory emissions assembly.

Key Benefits of Installing a Cummins Delete Pipe

Reliability: Eliminate limp mode" and see dealer codes for total peace of mind.
Fuel Efficiency: End fuel-heavy regen cycles to maximize your miles per gallon.
Engine Longevity: Stop raw diesel from diluting your oil and washing cylinder walls.
Better Cooling: Lower EGTs by removing the restrictive DPF and SCR bottlenecks.
Lower Maintenance: Say goodbye to DEF refills and expensive sensor replacements.
Performance: Experience faster turbo spooling and much sharper throttle response.

Cummins Delete Pipe: Deleted vs. Stock

Dimension	Stock (Factory)	Deleted (Upgraded)
Horsepower	Limited by backpressure (~350–420 HP); power is often pulled back by the ECM to manage heat.	Increased; Safe gains of 50–150+ HP; high-performance tunes can easily exceed 600+ HP.
Fuel Economy	Average; Significant fuel is wasted during "Active Regen" to burn soot out of the DPF.	Improved; Most owners report a gain of 3–5 MPG by eliminating regens and restriction.
Maintenance Cost	High; Requires regular DEF refills and frequent sensor repairs (NOx/EGT); DPF cleanings are costly.	Minimal; Permanently removes the need for DEF and the service of complex exhaust filters.
Reliability	Moderate; DEF pump failures and "See Dealer" codes are the leading cause of roadside Limp Mode.	Significantly Enhanced; Removes the primary electronic failure points and stops oil dilution.
Exhaust Gas Temp	High; The DPF acts as a "cork," trapping heat at the turbo; EGTs spike during regeneration.	Lower EGTs; High-flow pipes drop operating temperatures by 150–200°F, extending turbo life.
Legal Status	Street Legal; EPA compliant.	Off-Road / Competition Use Only.
Backpressure	High; The dense DPF substrate creates a massive bottleneck for the single turbocharger.	Minimal; A straight pipe allows for nearly zero resistance, improving low-end response.
Sound	Silent; The DPF/SCR assembly acts as a massive primary muffler, masking all engine sound.	Aggressive; Unlocks the signature "Big Rig" straight-six roar and loud turbo whistle.
Supports Tuning	Limited to emissions-compliant software.	Required; Must be paired with an EZ Lynk, EFI Live, or MM3 tuner to disable sensors.

Cummins Delete Pipe Models Year Fitment Guide

Choose the perfect Cummins delete pipe by year to guarantee seamless fitment and performance. We offer delete pipes tailored to the exhaust configurations of the 3.0L EcoDiesel platform.

Cummins Delete Pipe	Engine & Model Year	Emissions Systems Equipped	Common Issues	Recommended Delete Pipe Setup
5.9L Cummins Delete Pipe	2003–2007	EGR (No DPF / No DEF)	Restrictive factory exhaust, high EGTs under load	Straight Delete Pipe (cat or muffler replacement)
6.7L Cummins Delete Pipe	2007.5–2009	EGR, DPF (No DEF)	Frequent regen cycles, DPF clogging, power loss	DPF Delete Pipe with supported tuning
	2010–2012	EGR, DPF	Limp mode, sensor failures, excessive heat	DPF Delete Pipe with compatible tuning
	2013–2018	EGR, DPF, DEF (SCR)	DEF system faults, regen downtime, warning lights	DPF + SCR Delete Pipe with supported tuning
	2019–2021	Advanced EGR, DPF, DEF (Updated ECM)	Stricter ECM control, limited tuning availability	Year-Specific Delete Pipe (supported applications only)
	2022–2024	Next-Gen Emissions & Enhanced ECM Security	Very limited compatibility	Vetted Delete Pipes for Supported Models Only

Below is a guide to our specialized EcoDiesel delete solutions. You can select the corresponding product below to view full specifications and compatibility details:

Feature	Fitment Years	Diameter	System Type	Coverage	Muffler	Sound Level
4" DPF & CAT Delete Pipe (2019–2024)	2019–2024	4 Inch	Sectional	DPF & CAT	No	Aggressive
4" DPF & CAT Delete Pipe (2013–2018)	2013–2018	4 Inch	Sectional	DPF & CAT	No	Aggressive
4" DPF Delete Pipe with Muffler (2019–2024)	2019–2024	4 Inch	Sectional	DPF	Yes	Moderate
4" DPF Delete Pipe with Muffler (2013–2018)	2013–2018	4 Inch	Sectional	DPF	Yes	Moderate
4" Turbo-Back Full Exhaust System (No Muffler, 2013–2018)	2013–2018	4 Inch	Turbo-Back	Full System	No	Very Loud
5" Turbo-Back Full Exhaust System (No Muffler, 2013–2018)	2013–2018	5 Inch	Turbo-Back	Full System	No	Deepest/Loudest
5" Turbo-Back Full Exhaust System (With Muffler, 2013–2018)	2013–2018	5 Inch	Turbo-Back	Full System	Yes	Deep & Smooth
4" Downpipe-Back Full Exhaust System (No Muffler, 2019–2024)	2019–2024	4 Inch	Downpipe-Back	Full System	No	Very Loud
4" DPF Delete Race Pipe (2007.5–2012)	2007.5–2012	4 Inch	Sectional	DPF	No	Aggressive
4" DPF Delete Pipe (2007.5–2012, 2-Section)	2007.5–2012	4 Inch	Sectional	DPF	No	Aggressive

Note: Every one of these pipes requires a DPF-delete capable tuner (like EZ Lynk or SCT) to prevent your Cummins from throwing codes or entering Limp Mode.

How to Install a Cummins Delete Pipe

Installing a Cummins delete pipe replaces restrictive factory exhaust components with a straight-through or high-flow pipe to improve exhaust flow, lower exhaust gas temperatures (EGTs), and enhance overall drivability. The exact details vary by engine generation (5.9L vs. 6.7L) and model year.

Installation Steps

Vehicle & Compatibility Preparation: The truck is safely positioned, and the exhaust layout is inspected to identify the section being replaced (muffler/catalyst on older trucks, DPF/SCR section on newer trucks). Confirm the delete pipe matches your engine, wheelbase, and cab configuration.
Tuning Preparation: On DPF-equipped 6.7L Cummins trucks, the ECM is calibrated with a supported tuner before hardware removal. This disables emissions diagnostics and prevents warning lights or limp mode after installation.
Factory Exhaust Section Removal: The selected factory exhaust section is unbolted and removed. Sensors associated with the removed components are disconnected or electronically disabled per the tuning configuration.
Delete Pipe Installation: The Cummins Delete Pipe is installed in place of the factory component. These pipes are designed to align with factory hangers and provide proper clearance around the frame, transmission crossmember, and driveline.
Alignment & System Check: Connections are aligned and secured to ensure a leak-free seal. The engine is started and inspected for exhaust leaks, and normal operation is verified during a brief test drive.

Note: Every EngineGo kit includes a comprehensive, model-specific guide to ensure your installation is seamless and your fitment is guaranteed. For technical deep-dives, step-by-step photos, and specific torque specs, you can find detailed information under the "Installation Guide" tab on every product page.

Why Choose EngineGo for Cummins Delete Pipe

Choosing EngineGo means partnering with diesel performance experts. We back every build with technical support, ensuring your truck moves from the shop to the street with peak power and reliability.

15+ Years of Expert Support

In-House Specialists: Our team has over 15 years of hands-on experience in Ford Powerstroke, Cummins, and Duramax platforms..

Expert Guidance: We provide comprehensive support, from initial fitment questions to final tuning advice.

High-Performance Reliability

Built to Last: We pride ourselves on offering parts designed for maximum durability and long-term reliability.

Expertly Vetted: Every product is backed by our deep understanding of diesel engines.

A Seamless Shopping Experience

Free Shipping: Many of our kits include free shipping to get your project started without extra costs.

Money-Back Guarantee: Shop with confidence knowing your purchase is protected if you aren't satisfied.

Off-Road Use Disclaimer

Diesel delete kits are intended for off-road and competition-use vehicles only. These products are not legal for use on public roads and are sold strictly for non-emissions-controlled applications.

Always verify and comply with local, state, and federal regulations before purchase or installation.

FAQ

Can I use a Cummins delete pipe on a daily-driven truck?

Cummins delete pipes are not recommended for street-driven vehicles in areas where emissions regulations apply. They are designed specifically for off-road or non-public-road use.

Will installing a Cummins delete pipe void my warranty?

In many cases, modifying or removing emissions-related components may affect or void factory warranties, especially for engine and emissions systems. Check with your vehicle manufacturer or dealer for specific warranty implications.

Are Cummins delete pipes suitable for DIY owners?

Yes, Cummins delete pipes are often chosen by experienced DIY diesel owners who understand their vehicle setup and applicable regulations. Product listings typically include specifications to help buyers make informed decisions.

Do I need additional components when purchasing a Cummins delete pipe?

Some applications may require supporting components, such as compatible exhaust sections or engine calibration solutions. Requirements vary by vehicle and setup, so reviewing product descriptions carefully is important.

Will a Cummins delete pipe change the exhaust sound?

Yes. Removing restrictive exhaust components typically results in a louder and more aggressive exhaust tone, especially when paired with a straight-pipe configuration. Sound levels vary depending on the rest of the exhaust system.

Cummins Delete Pipe

Turbo-back Exhaust System 5" DPF Delete without Muffler for 2013-2018 Dodge Ram 2500/3500 6.7L Cummins

DPF Delete Pipe 4" with Muffler for 2019-2024 Dodge Ram 2500/3500 6.7L Cummins

Turbo-Back Exhaust System 5" DPF Delete with Muffler for 2013-2018 Dodge Ram 2500/3500 6.7L Cummins

DPF & Cat Delete Pipe 4" without Muffler for 2019-2024 Dodge Ram 2500/3500 6.7L Cummins

Turbo-Back Exhaust System DPF Delete 4" without Muffler for 2013-2018 Dodge Ram 2500/3500 6.7L Cummins

Downpipe-Back Exhaust System DPF Delete 5" without Muffler for 2019-2025 6.7L Cummins Dodge Ram 2500/3500

DPF & Cat Delete Pipe 4" without Muffler for 2013-2018 Dodge Ram 2500/3500 6.7L Cummins

DPF Delete Race Pipe 4" for 2007.5-2012 Dodge Ram 2500/3500 6.7L Cummins

DPF Delete Race Pipe 4" with Muffler for 2013-2018 Dodge Ram 2500/3500 6.7L Cummins

Downpipe-Back Exhaust System DPF Delete 4" without Muffler for 2019-2025 6.7L Cummins Dodge Ram 2500/3500

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