Best Tuner for 6.4 Powerstroke Engine

It is human nature to want more, to improve and get better. One does everything in their power to get the most out of their purchases. Cars hold a special place in this. Despite them being “just machines”, most people have a deep affection for their car and treat it well.

best tuner for 6 4 powerstroke

We all want our cars to perform better but going to a service station and paying the workers there hourly to improve little things seem like a bit of a waste when you can do those things on your own via a performance tuner.

With that said, you should also know which one to get as a bad tuner can make things worse. That is why, in this article, I will be listing the 8 best tuners for 6.4 Powerstroke.

Review of the Best Tuners for 6.4 Powerstroke

1. Edge 85400 CTS2– Best Tuner for 6.4 Powerstroke Overall

Edge 85400 CTS2


  • Multiple gauge screen layouts
  • TQ management
  • Custom color mixer
  • Sleek case design

Edge 85400 is one of the best performance tuners for 6.4 powerstroke out there. The price is certainly enough to raise anyone’s eyebrows, but what it brings to the table certainly justifies it quite well.

The Edge Evolution CTS2 lets you tweak your vehicle’s settings and squeeze out every bit of secret potential inside it, thus enhancing performance. The Engineer at Edge products has designed this tuner in such a way that it is hassle-free and fast to install.

The Evolution of Edge 85400 is quite versatile. Boasting a 5-inch, colored, swipe screen allows you to tweak performance and the color scheme of gauge arcs, needles, and backgrounds. It fits easily into your OBDII (diagnostic) port with an HDMI style cable.

Now, speaking of performance, let us talk about the main. What this tuner does is reprograms your vehicle’s stock computer. It is capable of increasing 440 pound-feet of torque and can give a 180 horsepower boast! It does not end there.

To justify that higher costs, Edge had to add more features, and oh, they did. You can set shift points, shift firmness, rev limiters according to your preference and monitor vital engine data in real-time.

There are four presets already in the Performance settings that can tune your performance based on your preference. Besides hiking up just the pure stats over extra performance, you can also improve your fuel economy.

Tweaking gives you the freedom to change a number of things. So you have to choose if you want to go further or go faster. Keeping in mind the features of Edge 85400, it is undoubtedly worth its cost. Go for it if money isn’t a factor for you.

  • Can increase horsepower by 180
  • 440 pound-feet of torque increase
  • Customizable Backgrounds
  • Easy to install
  • Easy to operate the screen
  • Expensive

2. Bully Dog 40420 – Best 6.4 Powerstroke Tuner for Maximum Performance

Bully Dog 40420


  • Gear switching points
  • Monitor 15 performance parameters
  • Increase performance and fuel efficiency
  • Adjust standard vehicles features

One of the best things about Bully Dog is that they give out one of the best guarantees of any tuner manufacturers out there; that is certainly a bit confidence-inducing.

This programmer offers an array of features and is quite a versatile little thing at a reasonable price. With the Bully Dog 40420, you can improve your vehicle’s fuel economy, increase its power, torque, and monitor over 15 performance parameters.

Using this tuner, you can run a diagnose of your vehicle, let it do its thing and it will clear all the codes troubling your engine and optimize it for the best functioning.

This programmer comes with three pre-installed settings: Performance, Extreme Tune, and Economy. All of them are pretty self-explanatory in terms of what they will do.

Aside from these three options, you can calibrate into its system up to 10 custom tunes.

It is quite a useful addition to your Diseal Pick up as it has multiple off-road features, economy tunings, the ability to access the speed and rev limiter, and a couple of more niche features like adjusting the chimes in your car.

You can also connect the Bully Dog to WiFi and get free updates.

  • Easy to install and use
  • Increased HP and Torque
  • Inbuilt wifi with free updates
  • Code Cleaning
  • Customizability
  • Technical support is not feasible

3. SCT Performance 40490 – Best Tuner for 6.4 Powerstroke Under Budget 

SCT Performance 40490


  • Built-in performance Calculator
  • Built-In WiFi
  • Rear view camera input
  • Modify DTC codes
  • Self-regulating relief valve
  • Large Backlit LCD Screen

SCT 40490 is a BDX Performance Programmer that is compatible with almost all trunks and offers a ton of quality for its price. The SCT comes equipped, straight out of the box, with street-tested, dyno-proven tune files that unleash your truck’s hidden performance.

If the pre-installed tunes aren’t “quite your tempo”, you can always create your own; this thing can store up to 20 custom tunes! I suggest mounting it somewhere easy to reach as you can not only monitor things in real-time but adjust power levels while on the fly.

The ST 40490, aside from being able to do the obvious, like improving fuel-efficient, increasing horsepower and torque, adjusting rev and timing limiters, and raising performance; it allows you to fiddle around with the standard features of your vehicle like the warnings and alerts.

It has inbuilt wifi, so updating is direct-to-device. Seeing your truck’s performance in real-time and changing it is a major selling point for me. All of that vital information is displayed on a large backlit LCD screen. If you drive an automatic, you can adjust the firmness of your shifts using the DTC codes.

Going for the SCT 40490 is a much better alternative to going to the local garage to increase your truck’s performance. So, in order to maintain the life of your engine and get the best out of it, this is a must-have device!

  • Easy to use and install
  • Reads and clears PCM diagnostic trouble codes
  • Custom 20 tune files
  • Cloud sync feature to download tunes
  • Menu can seem a bit hard to navigate around

4. Hypertech 32501 – Best Diesel Tuner for 6.4 Powerstroke

Hypertech 32501


  • Raise the engine’s rpm limiter
  • Recalibrate speedometer and odometer
  • Read and clear diagnostic trouble codes
  • Ability to adjust settings
  • Automatic Transmission Adjustments

The Hypertech 32501 is a performance optimizer for 6.4 Powerstroke, specializing in providing you the best possible fuel economy. It will provide your extra engine power by optimizing the transmission functions and decreasing the overall fuel consumption in the process.

Using the Hypertech 32501, you can unlock the transmissions, which you can further adjust according to your personal requirements, or let the vehicle change to a higher gear as soon as it can and maintain it without dropping to get the best economy.

Like other tuners on our list, this will let you control the rev limiters and speed limiters. It can read and clear Diagnostic Trouble Codes (DTC), so if anything is impeding proper functioning, the Hypertech 32501 is able to address that.

Coming to fuel management abilities, with this tuner, you can turn the engine to a fuel-consuming four-cylinder for a small load, which results in a steady speed and saves your money.

Overall, this is quite a good tuner, especially for those wanting something for a daily driver. With that said, it is not very easy to install, and you also must make sure your vehicle is compatible with it as many vehicles are not.

  • Increases performance
  • Increases fuel economy
  • Effectively clears troublesome codes
  • Available for both diesel and petrol engines
  • Compatibility issues with some vehicles

5. Edge Products 84130 – Best 6.4 Powerstroke Tuner for Compatibility

Edge Products 84130


  • Multiple gauge screen layouts
  • HDMI style plug for power
  • Video Capability

The Edge Products 84130 is a feature-rich, top-of-the-chain tuner in its class and is easily one of the most famous ones out there.

The 84130 has a sleek and slim design and is compatible with most vehicles out there, so most of you can make use of one of these.

Similar to the previous Edge entry on our list, the 84130 also has a 5” colored, high-resolution, swipe screen that not only makes tuning extremely easy but also acts as a display for a number of parameters like fuel levels, tire pressure, torque levels, engine RPM and many more.

Using the 84130 to boost your performance, you can expect an increase in 180 horsepower. The overall user experience is also really nice, as this is one of the easiest tuners to use.

You can customize the audio and video alert present in your vehicle. If you feel like this tuner alone is not enough after purchase, the 84130 also supports other tuning devices.

Hence, it covers its tracks quite well. All of that for this price, I am sold!

  • Increases horsepower by 180
  • Easy installation and use
  • Compatibility with other tuners
  • Little bit expensive

6. Bully Dog 40417 – Best 6.4 Powerstroke Tuner for Durability

Bully Dog 40417


  • Multiple preloads and 10 custom tune files
  • Dynamic LCD display
  • Code Clearing
  • Performance and Fuel Economy booster

Bully Dog 40417 is a vehicle engine tuner, monitor, gauge, and diagnostic device. It has something to offer for everyone. Say you do not care for boosting your performance; instead, you want to strictly increase your fuel economy.

Well, the Bully Dog 40417 has you and others covered. It comes pre-calibrated with Bully Dog’s dyno-proven tune files to recalibrate the computer onboard of your truck to provide an increase in horsepower and torque (if you go for the performance mode) or increases the fuel efficiency (when you select the economy mode).

You can also add in 10 custom presets with different settings, so you have something for all kinds of situations.

Another fantastic ability of this programmer is to diagnose and fix multiple vehicle errors using the Code Clearing feature. The 40417 fits a number of cars, mostly those of Ford, Dodge, Nissan & GM Gas Models.

You should look up your exact model and car because certain brands are not compatible with certain brands. There is little to nothing wrong with this flash programmer, so that I would recommend it without hesitation.

  • Preinstalled and downloaded performance tunes
  • Increases torque and power significantly under load
  • Petrol only

7. DiabloSport 8145 inTune i3 – Best Tuner for 2008 6.4 Powerstroke

DiabloSport 8145 inTune i3


  • Windows, Mac and Linux Connectivity
  • OBD-II Data Logging
  • Read and Clear DTC
  • Dyno Tested Performance Programs

The price of the DiabloSport 8145 may initially seem to be a bit much, but all of its features and customization make it quite a justified price tag.

It comes with the best performance optimization features that will significantly raise your car’s performance and save fuel.

This is a performance tuner for sport, and it certainly lives up to the title with how well it works and its ability to integrate itself with cameras, add fuel injectors, and more.

It comes equipped with a colored touch screen, which is extremely useful as it can sync up to windows or mac via WiFi and track your vehicle’s data, help you set up your custom tune-ups, or select a pre-installed one.

On top of it all, the DiabloSport 8145 fits on most car models built, ranging from back in 1999 to 2010.

Right from the getaway, it will improve your performance by optimizing transmission, throttle response, horsepower, and more, so instantly, you will feel a difference. If you are looking for something serious for performance boosts, this is it.

  • Fairly easy to install
  • Preloaded Dyno-tested settings
  • Easily find and fix trouble codes
  • Not compatible with vehicles post 2015 and pre 1999, mostly

8. Edge Products 15051 – Best Diesel Tuner for 2010 Ford fx4 6.4 Powerstroke

Edge Products 15051


  • Displays and clear diagnostic trouble codes
  • Programs within minutes
  • Recalibrate speedometer
  • Displays vital engine data

Ironically enough, one of the most retro-looking products on this list is the one that is overwhelmingly favored by buyers and is known for working marvelously.

The Edge Product 15051 is very easy to use and simple looking. Its user-interface is very user-friendly, and anyone can start to program within only a couple of minutes.

Like the rest of the edge products on our list, it also comes equipped with scan tool features.

This programmer can increase your truck’s performance by quite a substantial amount, put numbers on the gains, you can squeeze out up to 35 horsepower and up to 50 pound-feet of torque!

On top of that, it can connect to the internet, so you are always updated with the latest technology.

  • Gains of up to 35 horsepower
  • Easy to program
  • Stays up-to date
  • Updates take some time


Tuners can add a lot to your driving experience; however, always be careful. If you do not know what you are doing, I suggest that you don’t do it because attaching a tuner incorrectly will seriously mess with your vehicle.

I am not trying to scare you but done correctly; these tuners can really boost your engine’s performance. So, educate yourself on installing it first or just getting it done through someone who knows what they are doing and enjoy the best your engine has to give. Happy riding!