7 Best Cummins Tuner 2023 – Review & Buying Guide

Many of us are crazy about the Cummins motor to make our heavy-duty engines super quick and efficient in their performance.

The production of these engines was between 1998 and 2007, but the version is still the best among all others.

No doubt, these engines were and are always in demand with highly positive ratings and outstanding performance.

To make it better, we have come up with tuners for you to enhance the functioning of your Cummins.

What matters is the best selection with the best specifications to make the performance of your Cummins the best.

The things that affect the performance of your engine can be overcome with proper use of the tuners.

Tighten your seatbelt as we are on our way to get the best cummins tuners to make your ride super fast and efficient on rough and challenging roads.

Here are 7 top tuners for you to select the best and most appropriate one for your Cummin.

Read them with full attention and from start to end. With this, you will be able to learn about the features that you should look into while buying tuners and all the essential details you should know about your selected product.


Top Products Reviews

Here is the list of the seven best Cummins Tuner Engine to make your Cummin engine fast and efficient to give outstanding performance.

1. Bully Dog – 40420 – GT Platinum Diesel – Best Programmer For 5.9 Cummins

Bully Dog - 40420



This product comes from a US-based company. Very convenient to use and efficient in performance, I will recommend you to buy if you are looking for something reliable and reasonable both. The computer of the tuner consists of Wi-Fi technology, BlueTooth technology, and the inbuilt system of cloud computing.

This tuner is for the use of 2003- to 2017 models of Cummins with 6.7 and 5.9-liter diesel capacity engines. Moreover, it is not a fixed rule. These tuners can also be used for 1999-2016 models with different 6.4, 7.3, 6.7, and 6 liters diesel. Furthermore, they provide the monitor with multiple options to make sure the driver can make quick adjustments on the road.

The product comes in 3 months of warranty. This tuner enables us to scan and eliminate the programming codes which are not in use and are unnecessarily there. Furthermore, this tuner consists of preprogrammed features to give you enhanced and optimum streamline for your Cummin engine.

  • Able to scan and delete codes
  • Multiple preprogrammed features
  • Affordable
  • Less warranty time


This Bully Dog 40420 comes with an affordable price and efficient characteristics. It gives you a three months warranty. The reading and deleting codes option and multiple preprogramming features help the driver in having efficient performance.

2. Smarty Tuners TOUCH 98.5+ Dodge/Ram Cummins

Smarty Tuners TOUCH


This tuner is renowned for enhancing versatility and functioning for your vehicle. It is suitable for the cars of the model from 2007 to 2012.

But nothing to worry about; you can modify this tuner to a COM module to make it possible to use it on new trucks. This Smarty Tuners TOUCH 98.5+ Dodge/Ram Cummins is reliably brilliant in functioning with the presence of up to 170 horsepower.

The computer of the tuner consists of a dual CPU and an option of a micro SD card to help you save your functions for later use.

Moreover, four dashboards are displayed on a 4.3 inches display screen. This tuner will help you in achieving the desired speed and efficiency at an affordable price.

This programming at this price is not only considered the best among all but is also highly recommended by the users. Smarty Tuners TOUCH 98.5+ Dodge/Ram Cummins comes with a one-year warranty to allow you to take help from the company if there is a need.

You can easily customize many other options to make your Cummins superior and better.

  • 170 horsepower
  • Customizable features
  • Large screen display
  • It needs modification for new vehicles


With the possibility of enormous customization options, this Smarty Tuners TOUCH 98.5+ Dodge/Ram Cummins allows us to select up to 170 HP for making your Cummin more powerful and robust.

There is a large display available for you to view and customize different attributes.

3. Edge Products 31507 Juice Tuner

Edge Products 31507 Juice Tuner


This tuner is specifically made for the 6.7 model of Cummins and works efficiently for the vehicles between 2013 to 2018.

This model is worth your money because of the features it gives to your Cummin at such a reasonable cost. This one is the most recommended and highly positively reviewed tuner among all others on the list.

This product was famous and renowned for giving us the option of selecting between 5 power levels.

The design is made classical and appealing, which also consists of a touch screen display. Use this large monitor to record the performance and in selecting the quick adjustments according to the road during driving.

Moreover, this product is renowned for exceptional Horsepower, which is not provided by any other tuner.

The tuner allows you to reach up to 150 Horsepower according to the vehicle you use.

I will recommend this tuner for you because of its safety traits, such as cold engine protection to protect your engine in swear cold weather conditions.

  • Mostly positively reviewed
  • Large screen
  • Safety features
  • No option of deletion is available


This tuner is highly recommended on the basis of positive reviews. It can contain a large screen display which is easy to use.

The features are customizable to give you maximum options to select according to your need. The safety characteristics are the reasons because of which the tuner is in demand.

4. MADS Smarty POD



This product has been considered the best tuner for 6.7 Cummin. There is an option available for us to select among ten different customizable horsepower options, and the highest among all of them is 170.

The tuner also gives your Cummin a better throttle response while initiating, which ultimately affects the overall performance and durability of the engine.

MADS Smarty POD is an ideal tuner when it comes to the balancing of torque and horsepower.

For the strength and durability of the Cummins, the perfect balancing of torque and horsepower is always necessary, and this is what the MADS Smarty POD does.

It simply balances the torque and horsepower in a very efficient manner to give you reliable performance. The tuner also provides customizable tire height adjustment.

The speed limiter trait available in this MADS Smarty POD helps secure the head gasket from blowing up.

Moreover, this speed limiter also creates a boundary of 25 to 250 miles per hour, out of which you cannot take your Cummin into any danger.

There is a built-in USB to help you save your settings and reuse them again.

  • USB option
  • Speed limiter
  • Perfect balancing of torque and horsepower
  • Bad customer service


This tuner is ideal for those who are in search of perfect balancing between torque and horsepower.

There is the speed limiter option which allows you to stay within the speed limits of 25 to 250 mph. This tuner overall makes your Cummins durable and efficient while giving a solid performance.

5. MADS Smarty Jr. Tuner

MADS Smarty Jr. Tuner


This goes best with 2003 to 2007 manufacturer RAM trucks. 3 horsepower levels are available from which you can choose according to your choice, that is 40, 70, and 100.

Just make minor adjustments and enhance your fuel economy while getting an efficient driving experience.

This tuner can also be used for additional functioning, such as torque optimization and adjustability of the height of the tire.

Moreover, the installation time is really less as compared to other tuners. Go with the flow on the road with this MADS Smarty Jr. . This product is renowned for giving you customization on all features.

Smarty Jr. does not leave behind any of its marks because of the presence of the no traces feature to make sure once you disconnect the tuner, the settings come to nil again.

Many features are customizable to help you decide the one which suits you the most.

  • No traces
  • Maximum customizable features available
  • Three horsepowers levels are available
  • No availability of color screen


The MADS Smarty POD works smartly without leaving any mark behind. It is recommended because it contains full features with customizable options available.

There are three horsepower levels to make sure you can select among 40,70, and 100.

Guide To Pick The Best Cummins Tuner

Cummins Tuner

Make sure to focus on specific characteristics that should be present in your tuner to get the best optimum results.

Power Levels

Check for the power levels your tuner is providing you. This will let you know how much horsepower, torque, and other adjustments are possible.

There are many companies that are manufacturing tuners with pre-programmed and available power options.

In this way, you would be able to quickly set up the Power by simply selecting the one instead of creating it because the already set power levels help you in identifying the best one for you.


Always focus on the compatibility of the tuner with your engine. Of course, if you’re looking for the tuner to be used for 6.7 Cummins, you will definitely not select the one which is made for 5.7 Cummins.

Carefully go through the manual and read the compatibility of the selected tuner. Moreover, there is a possibility that one tuner is made to work with different engines.

You can choose that if you want versatility in your tuner. In this way, you will get the one tuner for all Cummins engines.


Select the tuner which is easy to install instead of the complicated one. In this way, you will be able to install and use the tumor on your own without any help.

This will increase your reliability because no third person is involved during the installation process. Furthermore, you can ask for professional help if you think you are not confident enough to install the tuner.

Versatility in Functioning

I will definitely recommend you to buy the tuner, which has versatile options for Cummins.

In this way, you would be able to get one tuner and apply it to two or more engines with the same efficiency and reliability.

Moreover, you will spend the money and will get the benefits for many Cummins. Get one and install it on many engines for the betterment and efficiency of all Cummins.

Display Size

Ask yourself a question that either you are getting the tuner that will be used in different places and is required to be portable or simply not?

Keep in mind your answer and select the display size. There are many tuners available that are compact in size but efficient in functionality.

Go for them if you want a portable one. But if are not interested in that, then I will recommend you to buy the tuner which has a large screen with a touch option and colorful display available.


Should I tune my Cummins? 

Yes, you should tune the Cummin engine because the proper tuning enhances the functionality of the product.

The main reason for tuning this Cummins truck engine is to get higher Power Ultima resulting in increased performance.

It does not matter what RAM you use. Tuning increases the efficiency and power of the Cummin engine.

What is the life expectancy of 6.7 Cummins?

For 350,000 miles, the 6.7 human engine runs smoothly and efficiently. The RAM in-built in the cummin 6.7 gives this mileage if used in the standard form of the engine without any modifications done to it.

This is the average life expectancy of the 6.7 Cummins.

Why is Cummins better than Duramax?

Cummin diesel engine is a famous and efficient truck engine. This provides quicker acceleration because of the presence of more horsepower.

Whereas the Duramax diesel engine, although reliable and durable, consists of a lower value of horsepower. So, we can say Cummins is a more appropriate and adequate engine for heavy-duty vehicles.

What does tuning a diesel mean?

Tuning a diesel means resetting or formating the already existing settings. It is an efficient procedure to enhance fuel economy and make your engine increase its performance. Tuning is done on the recommendation of drivers to make settings as they want.

Final Thoughts

As you have reached this area of an article of this article, it means you have gone through all the necessary information.

Tuners are reliable in terms of making your Cummins engine more advanced and efficient. They not only make them quick but also contain the other features which help make the performance of your Cummins excellent.

Using adequate and trustworthy tuners for Cummins make them super functional in performance and durable in terms of life

Make sure you have read the article from the start till the end. In this way, you will be able to get all the necessary descriptions you should have before getting the best tuner for Cummins.

There are five on the list, and each of them contains all the features, advantages, and disadvantages they have.

Make the final selection after carefully observing and understanding what you want and what is there in your selected tuner.

As a reviewer I will recommend you buy:

  • is made for the 2003 to 2017 models of Cummins. You can make quick adjustments with this tuner while driving on the road. The product comes at an affordable price with multiple other options such as BlueTooth technology, Wi-Fi, and cloud computing technology.
  • Edge Products 31507 Juice tuner works for the vehicles that are made between 2013 to 2018. It is the highly recommended tuner giving you the options of 5 power levels. It is a very positively reviewed tuner with specific safety pictures to help your cuumins last longer than usual and protect your Cummins and the vehicles.
  • is highly recommended because of the intelligent features this unit gives us. You will get a stock of optimization with adjustable features, adjustment of tires height, and easy installation, along with the customizing option for all of these features.

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