6.7 Powerstroke MPG After DPF Delete: Real Results & Tuning Tips

"Will removing the DPF improve my 6.7 Powerstroke's MPG?"

Debates abound on trucking forums and YouTube channels about DPF removal kits and improved mileage. In this guide, we'll explore actual MPG figures, 6.7 powerstroke MPG after DPF delete , and legal and practical ways to improve fuel efficiency without risking fines or warranty damage.

What Is a DPF? Why Would a Driver Remove It?

The DPF, or diesel particulate filter, is a critical component of modern diesel trucks, including the 6.7 PowerStroke. Its primary function is to capture and store soot and particulate matter from the exhaust, ensuring the truck meets the stringent emissions standards set by the U.S. Environmental Protection Agency (EPA).

Pros and Cons of a DPF System

DPF Advantages:

• Meets federal and state emissions regulations.
• Reduces visible black smoke.

DPF Disadvantages:

• Frequent Regeneration: The DPF needs to periodically burn off accumulated soot, a process called "regeneration." This results in increased fuel consumption and, if regeneration is interrupted or malfunctions, can lead to costly repairs.
• Power Limitation : The DPF can restrict exhaust flow, slightly reducing engine responsiveness and peak power.
• Maintenance Cost: Over time, the DPF can clog or fail, leading to expensive replacement or cleaning.
• Potential MPG Impact : Some drivers report that DPF use, especially during active regeneration, can reduce fuel economy by 1-2 MPG.

Common Reasons Why Vehicle Owners Remove the DPF

• More power and torque (less exhaust restriction).
• Reduced maintenance costs (avoids expensive DPF replacement).
• Improved MPG (many reports a theoretical 2-4 mpg improvement).

6.7 Powerstroke DPF Delete MPG Results: What Owners Actually Report

Does the 6.7 Powerstroke's MPG improve after DPF removal?

To answer this question: Yes, some owners report better MPG after removing the DPF.

Want to know the actual data? Owners have shared their experiences on forums, YouTube channels, and owner groups. Here's what the data shows:

Comparison: Stock vs. Deleted 6.7 Powerstroke MPG

It's worth noting that the improvement in city driving is less noticeable, typically in the 1-2 mpg range.

👉 Some drivers even claim to achieve 22-23 mpg on the highway with careful driving and proper tuning. However, not all owners will experience this improvement, and actual fuel consumption will vary depending on wheelbase ratio, tuning, load and driving habits.

6.7 Powerstroke DPF Delete Kit - A Key Modification for Improving

In discussions about the "6.7 Powerstroke MPG after DPF delete," choosing a reliable DPF delete Kit is a common topic. Only with a high-quality delete Kit can you improve both power and fuel economy.

One commonly discussed option is the SuncentAuto DPF Delete Kit, which owners report improves MPG and throttle response. However, it should only be considered for off-road applications.

Suncent® 2017-2019 6.7L Powerstroke Delete Kit 4" DPF/Diesel Tuner V2/EGR Delete All-in-One

$1172.57

Key Benefits of Using a DPF Delete Kit

• Improved Fuel Economy : Removing the DPF eliminates frequent regenerations, resulting in a measured improvement of 2–5 MPG.
• Increased Power and Torque: Reduced exhaust backpressure improves turbo response, making towing and off-roading easier.
• Reduced Maintenance Costs : Eliminate the costly DPF replacement and cleaning (typically $2,000–4,000). Extends engine life: Reduces exhaust temperatures, reduces carbon deposits and wear.
• Improves Driving Experience : More responsive throttle, smoother acceleration, and significantly enhanced driving comfort.

✅ Overall, the SuncentAuto 6.7 Powerstroke DPF delete kit is a cost-effective option that simultaneously improves MPG, enhances performance, and reduces maintenance costs. It's highly recommended for owners who want to optimize their 6.7 Powerstroke MPG after DPF removal.

Why Is an ECU Tuning Required after Removing the DPF?

Many car owners overlook the importance of ECU tuning after installing a DPF removal kit. However, without tuning, DPF removal is virtually ineffective and may even cause the vehicle to display errors or enter limp mode.

Avoiding ECU Errors and Limp Mode

The stock ECU may not detect the DPF, causing instrument panel errors or triggering limp mode, limiting vehicle power. A tuning procedure disables the relevant logic, ensuring normal vehicle operation.

Optimizing Fuel and Power

Tuning optimizes injection and ignition parameters for a DPF-free environment, improving combustion efficiency. Car owners report that tuning not only increases power but also reduces fuel consumption by an additional 2–4 MPG.

Enhancing the Driving Experience

ECU tuning improves throttle response, shifting logic, and turbo pressure, resulting in smoother acceleration and more powerful towing.

SuncentAuto's ECU Tuning Solution

SuncentAuto offers the Minimax Tuner V2 and V1, reliable ECU tuning tools. What you get:

• HP Boost : 0-250 HP increase possible.
• Easy Operation : Plug and Play, no specialized equipment or tuning knowledge required.
• Controllable Performance : Multiple power levels suitable for everyday, towing, and high-performance needs.

What's the difference between V1 and V2?

Mini Maxx V1 : Focuses primarily on tuning capabilities, suitable for those on a budget or those who simply want to optimize their ECU.

Mini Maxx V2: Often paired with a DPF/EGR/DEF removal kit, it offers more comprehensive features and is suitable for those pursuing extreme performance or track/off-road use.

✅ In other words, DPF removal and ECU tuning are an essential modification combination. SuncentAuto's all-in-one kits directly integrate hardware and tuning tools to ensure optimal fuel consumption and performance while meeting vehicle compliance.

Legal and Warranty Considerations for DPF Removal

Before considering DPF removal, it's important to understand its legal and practical consequences:

• Federal and State Emissions Regulations : Removing emissions equipment is illegal under the Clean Air Act. States like California and New York implement strict inspections.
• Warranty Impact : Removing the DPF almost always voids the Ford factory powertrain warranty.
• Inspection Failure : Many states require annual visual or OBD emissions testing. Trucks with DPF removals typically fail.

✅ Summary Note:

Many owners have experienced a 2–5 MPG improvement, improved power, and a better driving experience after installing the 6.7 Powerstroke DPF Delete Kit and performing an ECU tune. However, please note:

Only use in legal racing or off-highway environments is a legal option.

How to Improve MPG on a 6.7 PowerStroke (With or Without a DPF Removal)

Even if your truck meets emissions standards, there are several proven ways to improve MPG:

✅ Check tire pressure regularly.

✅ Change air and fuel filters on schedule.

✅ Use high-quality diesel (add additives if necessary).

✅ Drive smoothly - avoid hard acceleration and reduce idling time.

✅ Update your ECU tuning files regularly using SuncentAuto Tuner.

Conclusion

So, does removing the DPF improve the MPG of your 6.7 Powerstroke?

• Stock MPG: ~16 mpg
• Removed MPG: ~20–21 mpg (according to many reports)

While the benefits are substantial, the legal, financial, and environmental risks are equally significant. Before making the switch, weigh the modest MPG improvement against regulatory compliance and the long-term value of your truck. If you want to improve the 6.7 Powerstroke MPG after DPF delete and your usage scenario is suitable (off-highway/racing), SuncentAuto's DPF delete kit and ECU tuning tool are options worth considering.

FAQs

What are typical MPGs for the 6.7 Power Stroke?

Highway (unladen): 17-22 mpg

City: 11-17 mpg

Towing: 8-14 mpg

New 10-speed trucks typically get 1-2 mpg better than older 6-speed trucks.

Does removing the DPF improve fuel economy?

Yes, many owners report a 2-4 mpg increase, but actual results vary. Keep in mind that removing the DPF is illegal in the US and will void your warranty.

What speed yields the best fuel economy?

Around 60-65 mph. Above this speed, wind resistance increases rapidly, reducing fuel economy.

Does the 10-speed transmission improve fuel economy?

Yes, it helps maintain the engine's optimal rpm, resulting in improved fuel economy compared to older models.

How can I legally improve the fuel economy of my 6.7 Power Stroke?

Maintain correct tire pressure, avoid major modifications, minimize idling, drive at moderate speeds, perform regular maintenance, use high-quality diesel, and ensure the emissions system is functioning properly.

Will removing the DPF improve fuel mileage?

Many 6.7 Powerstroke owners report that removing the DPF and performing an ECU tune typically improve fuel mileage by 2–5 MPG.

Is removing the 6.7 Power Stroke worth it?

Whether it's worth it depends on the usage scenario:

Racing or off-road : Removing the DPF can provide increased horsepower, better fuel economy, and lower maintenance costs, making it a valuable option for performance-conscious users.

Daily road use : It's not recommended, as removing the DPF is illegal on public roads, voids the warranty, and can result in significant fines and emissions test failures.