Best Cummins Tuner Reviews

It is known that the Cummins engine is the best in the market in terms of reliability. However, when paired with low-quality tools or a tuner, for instance, its quality features will not be optimized.

If you’re an enthusiast about trucks and cars and you need to find a tuner for your car’s Cummins engine, then you are in the right place. In enhancing the performance of your car, you must choose only the best.

After all, every car owner, like you, knows that taking care of your vehicle is a must and requires the use of quality tools. So here let me show you some of the best Cummins tuners that will surely be of good help!

Best Cummins Tuner Table Price

What to Look for Before Buying?

Before we dive into the reviews, it is better to know some of the factors that you need to consider in buying a tuner. In this way, you’ll be able to choose the one according to your needs. Here’s a quick guide!


This is the first and foremost important consideration in buying a tuner. Just come to think about what if you had bought something which is not compatible with your engine. It is just a waste of your time, money, and effort.

Anyway, compatibility depends on your truck model, and you need to buy a tuner that complements your car. Moreover, it is recommended to opt for a tuner that has compatibility with most of the manufacturers.

Ease of Setup and Use

Look for a good tuner that comes with the overall ease of use. There are tuners with a lot of cords and wires that will take much of your time arranging. If you want to skip that part, then you have to find a tuner that does not require much set-up.

Some products are easy to use, like Bully Dog tuners, which only require about an hour to set-up. Much more, choose one that is easy-to-read. This could be a good choice for you, after all.


Most of the time, price is an indicator of quality. Some products are cheap, and it makes you question its performance capability. You don’t want to buy a product that is very expensive because you might be working on a budget only.

Don’t worry. Some low-priced products also come with quality. You just have to be cautious in finding one. And it doesn’t necessarily mean that high-quality products are always costly. Some sturdy tuners are also affordable.


This answers how many tunes a tuner can be able to store at a given time. Good choices usually come with 9 to 10 custom files, and most of the brands listed in the reviews below have that storage capacity.

Power Levels

The best tuners would usually give you a power level of 10. Power level means the horsepower a tuner can give the engine. Depending on the brand you will choose, the average power levels would usually range from 7 to 9.

5 Best Cummins Tuner Reviews

Since we already know what to look for before buying a Cummins tuner, let’s head on below with the reviews over some products that you can find in the market.

1. Bully Dog 40420 Tuner

Easy set-up and use are just a few features to consider for a tuner. The good thing is that this tuner is a good choice, especially if you don’t want to spend much time setting up.

This tuner is light, with only 1.4 pounds in weight. It is known to be a beginner-friendly product that can fit perfectly if you don’t have time to arrange cords and do all the unnecessary set-up.

Since it features fuel-economy, it can make your engine strong and efficient. This tuner also has a wide display monitor enabling you to see 15 clear parameters at one glance. It does not come with an instruction book, but you can always download a quick starter guide on their website.

Bully Dog - 40420 - GT Platinum Diesel Diagnostic and Performance Tuner with 4-Preloaded Tunes

 out of stock
5 new from $429.00
as of November 29, 2022 5:15 am


  • With fuel economy feature
  • Easy to set-up and use
  • Wide range of compatibility
  • LCD can monitor over 15 parameters


  • Requires you to download its instruction book and other features

2. RaceME ULTRA DPF Delete Programmer

Do you want a tuner that is easy to install? Then, this is a good choice. You don’t have to worry about the time that you have to dwell in downloading anymore because this is the fastest so far in the market.

The download time takes only 3 to 5 minutes, and that is three times faster compared to other options. It has cool features such as quick tire placement, easy internet connectivity, and cold weather functions.

This tuner has codes that are easy for anyone to understand since they are given in simpler terms. Thus, it allows you to interpret them with ease and decide which ones are to be kept and which ones are to be deleted.

With all these features, you can unleash your truck and take it into the beast mode. Finally, if you’re a proud owner of a Cummins truck, then you’ll surely appreciate its user-friendly and high-performance functions


  • User-friendly with a simple interface
  • Fastest ECM download time
  • High-quality performance
  • Comes with custom 2013 tunes
  • Not as heavy as anyone would expect


  • Locked to a vehicle by VIN# to access options for ABS adjustments

3. SCT 40490 BDX Performance Tuner and Monitor

Just like other buyers, we are sure that you have high expectations when it comes to this. The good thing is that this product is something that you need in your Cummins tuner.

If other tuners claiming to be the best come only with 9 to 10 custom files, the SCT 40490 can hold up to 20 tuning files, thereby allowing you to maximize tune flexibility. Plus, through its cloud delivery feature, you can download updates and tunes using a Wi-Fi connection.

This tuner also allows you to read and record stats and parameter effectiveness in real-time and on a full-color display. Its dynamic display could be mounted to the car’s pillar, dash, or window. Much more, it has pre-loaded tunes, and their performance is dyno proven.

Everything really boils down to what specs you are looking for. That is why this tuner may exceed your expectations, or you may not find any noticeable differences when compared to others.

SCT Performance - 40490 - BDX Performance Tuner and Monitor - Diagnostic Preloaded and Custom Tuning

$399.00  out of stock
2 new from $399.00
Free shipping
as of November 29, 2022 5:15 am


  • More storage for custom tunes
  • With a dynamic color display
  • Pre-loaded with good tunes
  • With real-time read and record of stats and parameter effectiveness


  • Not user-friendly
  • Installing updates could affect performance

4. Edge Products 84130 Insight Monitor

Perhaps, this product is the answer if you’re looking for something that can provide you utmost functionality and it is commonly used for Cummins.

Using this is like you’re looking at a monitor with full high-resolution color. It is because the Insight is made to ensure all-out monitoring of data. That is why it comes with a state-of-the-art and the most comprehensive display.

This tool is a perfect idea if you want to monitor the performance of your vehicle and want to receive alerts or notifications, especially when you make extreme changes in modifications. The purpose of this is to protect your vehicle.

Anyway, this function can be activated by configuring it to provide audible and visual alerts. It is preferred because it can read all sorts of parameters.

Not to mention, it is considered to be inexpensive as well as an instantaneous alternative compared to analog gauges in the market. Anyway, this has a multi-gauge touch screen display for monitoring.

With all these qualities, you can surely get your money’s worth by investing in one solid and multi-functional product.

Prime_Warehouse Edge Products 84130-3 Insight CTS3 Digital Gauge Monitor

$424.94  in stock
37 new from $408.00
3 used from $359.95
Free shipping
as of November 29, 2022 5:15 am


  • A state-of-the-art tool for your tuning need
  • Comes with an intelligent configuration
  • Reliable and high quality
  • Good choice in monitoring vital temperatures and PSI


  • May not work with old truck models

5. Edge Products 85450 CTS2 Gas Evolution Programmer

In this era, when cars are becoming high-tech and computer-oriented, the Evolution CTS2 makes it possible for cars to perform at their peak. It functions to reprogram the stock computer of any vehicle such as the Cummins.

It has one simple cable connection to the OBDII port situated in the cab. In reprogramming, it uploads the calibrations to the vehicles’ computer after saving old stock files.

Moreover, this can drastically improve the acceleration of your car. It can also fix the tightness of the gear shift so you will no longer need to hang on to it, thereby saving more time.

Not to mention, it is also available for both gas and diesel SUVs and pick-ups. The installation of its multi-power level tunes can be done only in several minutes. Plus, you can access the real-time monitoring of vital engine data as it is mounted in the cab.

Edge Products 85450 CTS2 Gas Evolution Programmer

 out of stock
as of November 29, 2022 5:15 am


  • High-quality tuner
  • Provides real-time monitoring of engine performance
  • Reprograms vehicle’s computer to optimize performance
  • Easy and fast installation of tunes


  • Tend to fail in the first installation if updated

Best Cummins Tuner Reviews & Frequently Asked Questions

  1. What is the best tuner for a 6.7 Cummins?

It is highly debatable as for now, but based on the reviews we have made, all those 5 tuners should be on the top of your options. You just have to choose the right one that suits your needs.

After all, these products that we have selected and discussed have high-quality features and functions that are worth your consideration.

  1. Is the 6.7 Cummins a good engine?

Yes. It is a commonly used brand in the automobile industry and is considered durable. This is sought for its optimum performance, reliability, and versatility.

  1. Does DPF Delete increase MPG?

Definitely yes. You can improve fuel mileage by removing the DPF. In an over-all sense, it affects the fuel economy of your engine.

  1. What MPG does a 7.3 Powerstroke get?

The reported average MPG is between 8.1 and 11.7 MPG. Some data shows that it gets an average of 13 to 14 MPG.

Final Words 

As you have seen, tuners can really step-up the performance of your cars’ engine, especially if you know how to use them and know what fits your car. Just try to pick one from the best Cummins tuner we have discussed, and you can start reaping the benefits.

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