The 6.7 Cummins engine is exceptionally trustworthy because of its incredible ability to handle and function effectively even within manufacturer specs. An engine tuner is a small device that improves engine performance. An average Cummins tuner boosts horsepower and torque without adding heat to the engine.

You will find out the pros and cons, vehicle-based compatibility differences, and advantages of utilizing one tuner over the other in each of the product specifications and reviews mentioned below. Hopefully, this article is helpful and has given you the knowledge you require to make an educated decision.

10 Best Tuner For 6.7 Cummins

Bully Dog - 40420 - GT Platinum Diesel Diagnostic and Performance Tuner
  • Wide make & model fit 
  • Fuel economy
  • Pick your power
  • Code clearing 

  • It boosts performance and provides excellent technical assistance.
  • Money-saving device
  • Increases mileage
  • It takes a long time to install.

When we talk about beginner-friendly advantages, we generally refer to Bully Dog items since they are well-known for being simple to use.

To begin with, it can boost horsepower and torque, making the engine more powerful. Simultaneously, it manages the engine’s fuel efficiency to ensure that it is both powerful and efficient.

The Bully Dog 40420 GT Platinum Tuner is perfect for the usual customer who doesn’t have time to organize wires and other unneeded setups. It weighs only 1.4 pounds. For lengthy and around-town driving, take advantage of fuel-saving preloads and as well as other features that can be downloadable.

This model consists of a large monitor screen. Because of its large display size and vivid LCD, this tuner is ideal for hypermetropic persons. It also fits a wide variety of Ford, Dodge, and General Motors diesel models. 

Edge Products 84130 Insight Monitor
  • Multiple gauge screen layouts
  • Fully customizable backgrounds
  • HDMI style plug for power and linking EAS accessories

  • High quality and reliable
  • Provides audio and visual alert
  • Expensive

The apparent advantages of saving both time and money by investing in a single robust, versatile product are extremely enticing to today’s customers. 

Most of us are accustomed to using technology to improve the quality of our lives, from maintaining our social life and public image to getting supper quickly. 

You won’t have to put in double the effort to do the same work as before, thanks to this useful 2-in-1 product.

It’s also a good match for an EGT Pyrometer Probe. This one, however, is not included in the bundle and must be purchased individually. It also comes with a 5-inch touch screen with a high-resolution display.

This new wave of effective multitasking has improved the quality of our daily lives, and driving experiences should be no exception.

85401 Edge Diesel Evolution CTS2 - CA Edition
  • 5 fullcolor
  • High-resolution
  • HDMI style plug for power and linking
  • One-touch easy menu navigation

  • Superb fuel efficiency
  • Installation is simple
  • Improves mileage
  • Sometimes vehicle gets resetted

Edge 85401 Edge Diesel Evolution CTS2 is opted because of its performance, durability, and lifespan.

The Evolution CTS2 is the ultimate in-cabin controller and programmer! The Evolution CTS2 modifies the OEM computer in your car.

This incredible device is available for gas and diesel pickup trucks and SUVs. This device has numerous power levels that have been specially adjusted by a team of engineers and can be installed in minutes without ever having to open the hood.

The Evolution CTS2 boosts horsepower and torque significantly. It not only re-tunes your car, but it also stays installed in the cab and provides real-time engine data monitoring.

  • Corrects speedometer for tire upgrades between 26-40″
  • Daytime running light options
  • 1 touch lane change on/off
  • TPMS On/Off

  • Affordable tuner
  • Installation is easy and in a shorter duration.
  • Users noted customer support was not great

Superchips Flashpaq F5 In-Cab Tuner (Superchips Part #3845), HEMI Gasoline & 5.9L/6.7L Cummins Diesel, Compatible with 1998-2014 Dodge RAM & Chrysler Vehicles

It’s also been designed to work with Duramax engines, including the 2016 LML.This tuner is small enough to fit in your hand, and it’s simple to operate.

Get ready for a performance like you’ve never seen before with the device’s 2-year powertrain warranty. The features are very standard, but they’re still cool. The display is 2.8″ in size, and the graphic interface is up to date and simple to use.

The Dodge/RAM Flashpaq, which fits in the palm of your hand, connects straight into your vehicle or truck’s diagnostic port and has an easy-to-use menu system for selecting a performance, towing, or economy tune.

MADS Smarty POD Programmer
  • Programmable Speed limiter from 25-250 MPH
  • Adjustable transmissiont torque management settings
  • No tracable footprint left on ECM for dealer to see
  • Tire height adjustment up to 44″

  • Good performance
  • Easy to use
  • Customer service is not upto the mark

Fastest download in the industry, up to three times faster than the competition, a typical ECM update takes about 3.5 to 5 minutes, depending on the truck model. Ten distinct on-the-fly-adjustable power levels up to 170+ HP

Programmable Adjustable transmission torque management settings with a speed limitation from 25 to 250 MPH. There is no traceable imprint on the ECM for the dealer to observe.

A good combination of both is very much ideal. That’s exactly what Smarty POD does– it balances the torque and the power for total performance.

84030 Edge Insight - CS2

  • Installation is easy
  • Accurate reading
  • Won’t function on older device

The Edge 84030 Gauge topped the list because of its outstanding performance. This specific gauge focuses on data monitoring in its entirety. 

It consists of a display with a high resolution. It also has a handy built-in notification system that will notify you if there are any significant changes to the adjustments. It also comes with several very handy scanning capabilities for capturing data.

Its Insights function allows you to generate a summary report of your data based on the information you want. Important statistics like torque, horsepower, and revolutions per minute are given a lot of attention.

Edge Products 84132 Monitor
  • Manual Regen 
  • Insight CS2 gauge monitor
  • Fit type: Vehicle Specific

  • Accurate code reading with a clear view
  • Easy and Quick installation
  • More Expensive than competitors

Edge 84132 is the sort of product on which you can count. They have entered the market as a result of their ongoing product development.

Regenerate by hand In the manifold, over 40 parameters to measure EGT.

Insight is now the most popular digital gauge monitor on the market. The Insight is the industry’s most complete, cutting-edge multi-gauge touch-screen display.

The Edge 84132 will give you the performance that you are searching for a long time for your car. This is a pretty well-balanced tuner that is very reliable and powerful at the same time. 

Smarty Tuners TOUCH 98.5+ Dodge/Ram Cummins Touch Tuner
  • Innovative engineering, extensive field testing
  • Exceptional quality control
  • Longer Brake life

  • Increased efficiency
  • Installation is simple
  • Expensive

Smarty 98.5 Tuner is the best tuner to have if you’re seeking a high-quality, interactive tuner. The display panel features a high resolution of 480 x 272 and 16.3 million colors, making it very easy on the eyes.

It’s known for its lightning-fast startup time, which allows you to adjust your automobile in only four seconds. At 6 minutes per download, it boasts one of the quickest ECM download times.  

This device has a reputation for having one of the quickest starting speeds on the market. It’s noted for its rapid PID refresh speed and fast ECM download, in addition to its quick startup time.

You’ll be able to readily know the present parameters of your Cummins engine and the improvements after you start it up with the custom tunes owing to real-time parameter readings.

Superchips 3855 Flashpaq
  • Heavy load towing
  • Fuel economy tunes included
  • Speedometer calibration 

  • Easy Installation
  • Delivers accurate results
  • Improves mileage
  • Quite expensive

The brand new Superchips Flashpaq In-Cab tuner includes sophisticated tuning and settings. This tuner is built to give rapid, safe power that results in immediate increases and features.

It’s for those who like their automobile or truck to have more advanced settings. It comes with a big variety of songs that can completely transform the interior of your truck.

Tuned for performance, pulling high loads, and fuel efficiency. Axle gear and tire size adjustments from 22.5 inches to 42 inches affect speedometer calibration.

Codes for diagnostic troubleshooting should be read and cleared. This tuner is designed to give rapid, safe power that will bring instant significant increases and features, whether you’re driving a 5.7L HEMI truck, Chrysler 300C, or Cummins diesel.

MADS Smarty S-67 Programmer
  • Different adjustable power levels
  • Adjustable transmissiont torque management settings

  • Enhanced performance
  • Built-in USB
  • Better throttle response
  • The customer service isn’t up to standard.

Adjustable transmission torque management settings with ten distinct power levels up to 170+ HP

There is no traceable imprint on the ECM for the dealer to observe.

Another MADS Smarty model has made it onto the list of the top Cummins 6.7 tuners.

Its speed limitation allows it to go at speeds between 25 and 250 miles per hour.

It’s excellent if you can get a decent mix of both. Smarty POD does this by balancing torque and power for optimal performance. Furthermore, it comes with an outstanding software application for reading diagnostics. 


You don’t need to do as much research on which manufacturers are the most popular for your Cummins truck engine now that you know the 10 top tuners for Cummins 6.7.

However, it’s always better if you know everything there is to know about the products you want to buy so you can make the best decision possible.

Before making a purchase, the driver must conduct research. Tuning your truck has a direct impact on mileage and power. With that in mind, we’ve put up a shopping guide to assist you to understand the things to consider and the measures to take while selecting the proper tuner for your vehicle.

Always keep the following points into consideration while purchasing your tuner:

Installation and usage:

When looking for the perfect tuner, the general simplicity of usage is a significant consideration.

You’ll have to organize a lot of cables and wires on most tuners. Bully Dog tuners are among the most user-friendly on the market. They’re easy to read and take less than an hour to set up.

As a result, if you’re a newbie, this is most likely one of the brands you should look into purchasing.

Power Performance:

The horsepower that the tuner may offer the engine is referred to as Power Levels. So far, the top tuners have typically output a power level often.

Depending on the brand you select, average power levels range from 7 to 9.2.

However, the key is to seek manufacturers with the ultimate power levels so that you may receive the most engine horsepower for your money.

Time Duration:

One of the notable elements that people consider when it comes to ECM tuning systems is the time frame for the ECM download.

In general, the faster the download takes, the better the system.

The Smarty 98.5 Tuner also offers a quick download time of roughly 6 minutes, depending on the amount of data you’re dealing with it.

The RaceMe products are among the best tuners in terms of time frame. It takes about 5 minutes to download on average, which is rather remarkable for tuners.


We constantly think about pricing when making purchases since it might be a good indicator of quality.

You may have to examine the product’s performance capability if it is a little too inexpensive.

Looking at the average price range of the top items is the best approach to go about it. Our list contains things that are reasonably priced.


The foremost fact to consider when purchasing a tuner, but it’s good to have one that looks beautiful– especially if you’re a techie. You’ll want one with a futuristic appearance. Of course, your preference will play a role in this.


You’ll need to purchase a tuner that’s compatible with your Cummins truck model, depending on which one you have.

Typically, we advise purchasing a tuner with a wide range of manufacturer compatibility.

When you start your vehicle engine tune-up, you won’t have to handle any trouble.


The Insight Edge Products 84130 Monitor is the most popular gauge monitor on the market. Its cutting-edge display is more suitable for today’s driver than analog gauges. Each tuner offers advantages that might improve your driving experience, depending on compatibility with your truck. The Edge Products 84130 Insight Monitor, which is now ranked first on our list, looks to be the most popular all-around monitor. Many individuals have become accustomed to its multi-gauge display and touch-screen.

The perfect tuner for 6.7 Cummins can do a lot for your truck’s engine if you know how to choose and utilize it properly. Of course, selecting a high-quality tuner will have a significant impact on enhancing your engine.

We compiled this review list by comparing it to other popular tuners and narrowed it by researching the top tuners for 6.7 Cummins are listed at an affordable price. Choose your favorite tuner, then go out and win the race!

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