The 6.7L Powerstroke engine is equipped with a range of emission systems in order to meet emission requirements. However, emission systems such as DPF and EGR can limit performance, reduce fuel efficiency and lead to expensive maintenance costs. Therefore, many truck owners consider installing a delete kit. In this article, we will explore the pros and cons of delete kits and help you find the best delete kit for 6.7L Powerstroke engine in 2025.

What Is a Delete Kit for a 6.7L Powerstroke Engine?
A delete kit is a series of parts used to remove or bypass the emission control system of a diesel engine. The main components of a 6.7 Powerstroke delete kit typically include:
- DPF delete kit : Replaces the diesel particulate filter (DPF) to allow exhaust gases to flow freely.
- EGR delete kit : Removes the exhaust gas recirculation system to prevent exhaust gases from returning to the engine.
- DEF delete kit : Removes the diesel exhaust fluid system, eliminating the need to fill it with diesel exhaust fluid.
- Tuner : Reprograms the ECU (Engine Control Unit) to accommodate the removed components, allowing it to run without the emission system.
Pros and cons of a delete kit for a 6.7L Powerstroke engine:
Pros:
- Improves fuel economy;
- Increases horsepower and torque;
- Reduces maintenance costs.
Cons:
- Not road legal in most areas;
- Increases vehicle's pollutant emissions;
- May void manufacturer warranty.
View also: Pros and Cons of Deleting EGR of 6.7 Powerstroke
Why Remove the Emissions System on Your 6.7L Powerstroke?
While the emissions system reduces pollutant emissions, the emissions system on your 6.7L Powerstroke is susceptible to failures, including:
- DPF Clogs: The diesel particulate filter (DPF) can become clogged with soot, requiring frequent and expensive regeneration or replacement.
- Stuck or Faulty EGR Valve: The EGR system is susceptible to carbon deposits, which can cause the engine to overheat and become less efficient.
- DEF System Failure: A DEF system failure can cause the engine to limp and require expensive repairs.
Therefore, removing the emissions system allows the engine to run cooler and more efficiently, which reduces wear on components. Many owners who have installed the removal kit report that their trucks have significantly improved performance, especially in situations such as towing heavy loads or driving in extreme terrain. However, it is important to weigh these benefits against potential legal and environmental consequences.
Best 6.7L Powerstroke Engine Delete Kit Recommended
Best Overall: SuncentAuto 6.7L Powerstroke Engine Delete Kit
Price: $1,397
Fit: 2011-2014, 2017-2019 6.7L Powerstroke (For 2015-2016 Powerstrokes, you can go to SunentAuto and purchase the individual components separately.)
Includes:
- •EGR Delete Kit
- •DPF Delete Pipe
- •PCV CCV Reroute Kit With Internal Catch Can
- •Mini Maxx V2 Delete Tuner
Benefits:
- Made of stainless steel and precision machined aluminum;
- Easy to install, includes all necessary parts;
- Significantly improves performance and fuel consumption;
- Extends engine and component life;
- ECU tuning available.
Is an ECU Tune Required after Installing a Delete Kit?
Yes. Tuning is required after deleting. The ECU (Engine Control Unit) is responsible for monitoring and controlling the emissions system. When you remove emissions components like the DPF and EGR, the ECU detects it as a fault. Problems include:
- The check engine light stays on;
- Limp mode activated;
- Emissions test failed;
Therefore, an ECU tuner adjusts the software to bypass emissions-related errors, ensuring a smooth running engine.
Recommended Tuners:
The Mini Maxx tuner is highly recommended for the 6.7 Powerstroke delete kit. It allows you to recalibrate the ECU, optimizing both performance and fuel economy.
Is It Legal to Install a Delete Kit on a 6.7 Powerstroke Engine?
Under US federal regulations, road vehicles must be equipped with an emission control system. Installing a delete kit for road use is illegal and may result in a fine. However, in some areas, these kits are legal for off-road or racing use.
SuncentAuto products are for legal use only. Always check local laws before modifying your vehicle.
Summary: What Is the Best Delete Kit for 6.7 Powerstroke?
The SuncentAuto 6.7 Powerstroke Delete Kit stands out for its comprehensive configuration, durability, and performance advantages. Whether you're towing, racing, or exploring the wild, it provides a reliable solution.
Ready to unlock the true potential of your Powerstroke? Explore our SuncentAuto exhaust delete kits today - remember to always check local regulations before installation.
FAQs
1. Who makes the best delete kit for 6.7 Power Stroke?
We recommend SuncentAuto, known for complete, durable kits.
2. Is deleting a 6.7 Power Stroke worth it?
Yes, for off-road use. Deleting can:
- Increase horsepower
- Improve fuel economy
- Reduce maintenance costs
3. How much HP does deleting a 6.7 Power Stroke add?
With proper tuning, expect gains of 50–150 HP depending on your setup.
4. How much does it cost to fully delete a 6.7 Power Stroke?
Kits range from $1,100 to $2,500+, plus installation if done professionally.
5. How many MPG does a deleted 6.7 Power Stroke get?
Most users report a 2–5 MPG improvement after a full delete and tune.
6. Will the delete kit void my warranty?
Yes, removing emission systems usually voids your powertrain/emissions warranty.
7. Do I need to tune after deleting?
Absolutely. Without tuning, your truck may go into limp mode, display check engine lights, or fail emissions checks.
8. Can I install a delete kit myself?
If you're mechanically inclined, yes. Otherwise, hire a professional installer for best results.
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