4 Best Diesel Tuners for 6.7 Cummins in 2022 [Review and Comparison]

A 6.7 Cummins engine is an incredible machine, and vehicles equipped with it perform exceptionally well. A Cummins engine can be transformed even higher with a performance tuner.

Tuning engines have been in vogue for a while, and it’s not surprising that the demand for tuners is increasing daily. If you decide to follow the trend, it is important that you get the best tuner for your engine to avoid any long-term issues. 

Several companies produce tuners these days, making it challenging to purchase the perfect tuner for your vehicle. In this article, we will be reviewing 4 of the best tuners for the 6.7 Cummins engine, and we certainly hope that you will find one that suits your needs. 

Ready to upgrade your truck to the next level? Keep reading.

Best tuners for 6.7 cummins

Best Tuners for 6.7 Cummins: Comparison Chart

 Power and performance optimizationMPG enhancementDisplay MonitorRead and clear DTC codesAcceleration improvementAction
ACCEL 49505 SuperTunerYesYesYesYesYesCheck Price
Monte Tuner - Monte GTRYesYesYesYesYesCheck Price
Precision Parts Edge Products 85400-300 CTS3YesYesYesYesYesCheck Price
PTG VDPC207 Performance ChipYesYesNoNoYesCheck Price

Readmore: What is a Tuner and What Does a Tuner Do?

Best Diesel Tuners for 6.7 Cummins Review

ACCEL 49505 Super Tuner

ACCEL 49505
ACCEL 49505 Super Tuner
3.9
If you own a 2007-2012 Dodge RAM 3500 with a 6.7-liter Cummins diesel engine, The ACCEL 49505 Super Tuner is the perfect tuner for you. The tuner will help improve engine capability and efficiency with increased horsepower.

ACCEL 49505 Super Tuner is a handheld computer programmer that reprograms your vehicle to add more power to the engine and it increases engine speed by about 30HP. The ACCEL 49505 Super Tuner can tune your truck within minutes with increased memory and a faster processor.

This tuner, without a doubt, can download and store one stock tune before the power tune is updated. With the increased memory and faster processor, the reprogramming and diagnostic process are ten times faster than your average tuner.

This simple single-touch tuner can optimize diesel engines for the best performance, improve fuel efficiency, and better fuel mileage at partial throttle.

The ACCEL 49505 Super Tuner has a 2.8″ color screen with an updated interface for easier and faster modifications. It has its average gains over 30hp/40 ft.-lbs for gas and 80 hp/150 ft. lbs for diesel. Moreover, the tuner is a perfect choice for a truck enthusiast, and it is compatible with the 2007-2012 Dodge RAM 3500.

Setting up this pocket-sized handheld tuner is easy, and it can be installed by anyone using the easy-to-read manual.

Pros

  • Increased memory
  • Faster processor
  • Active fuel management control
  • Increases horsepower
  • HD 2.8″ screen

Cons

  • High electricity consumption

Final verdict

If you own a 2007-2012 Dodge RAM 3500 with a 6.7-liter Cummins diesel engine, The ACCEL 49505 Super Tuner is the perfect tuner for you. The tuner will help improve engine capability and efficiency with increased horsepower. 

ACCEL 49505 SuperTuner 

Monte Tuner – Monte GTR

Monte GTR
Monte Tuner – Monte GTR
4.2
The description above has proven how efficient and versatile the Monte GTR tuner is, with its unique features, ranging from its fuel optimization, enhanced vehicle performance, and easy installation. This should be your pick if you are a truck lover looking for an affordable multipurpose tuner. This tuner is suitable for 2007-2010 dodge RAM 2500/3500.

The Monte GTR tuner is a reliable tuner with an OBD scanner that serves as an engine diagnostic and fault reader. Thus, this programmer reads, displays, and strips trouble codes for clear a dashboard, like the clear, and checks engine light. Besides, it is straightforward to install, and with the newly built-in dyno, the tuner can test your vehicle performance in real-time with a comparison chart.

Monte GTR Installation guide

It is a high-performance chip that effectively minimizes fuel consumption to an economic level. The tuner encompasses six driving modes for different occasions, which can easily be changed, 2 for races, 2 for eco, and two mixes.

The Monte GTR tuner increases horsepower and torque by 15-25% and up to 18% MPG in fuel economy. This horsepower enhancing chip measures 0-60 or ¼ acceleration. Furthermore, this tuner is compatible with 2007-2010 dodge RAM 2500/3500 and includes tuning adjustments for up to 9000 cars.

Pros

  • Easy to install
  • Six driving modes
  • Optimize fuel consumption
  • Multiple vehicle capabilities
  • Increases horsepower and torque by 25%

Cons

  • Engine stress
  • The screen is not optimized for night use

Final Verdict

The description above has proven how efficient and versatile the Monte GTR tuner is, with its unique features, ranging from its fuel optimization, enhanced vehicle performance, and easy installation. This should be your pick if you are a truck lover looking for an affordable multipurpose tuner.

Monte Tuner – Monte GTR

CTS 3 85400-300 Evolution Performance Tuner

cts3 85400-300
CTS 3 85400-300 Evolution Performance Tuner
4.1
This is an excellent tuner with a good screen display, simple installation, and fast processing speeds. Thus, it will give your truck an extreme engine enhancement. This tuner is compatible with 2007-2012 RAM Cummins Turbodiesel.

Meet the next generation evolution CTS3 for the 2007-2012 RAM Cummins Turbodiesel. This tuner comes with a full-color touch screen. It has a slim case design, an edge-to-edge display with true swipe screen technology. The display is not just crisper, but the high-resolution screen also has a fantastic pixel ratio and top-notch graphics.

It is a very comprehensive tuner with a touch-screen display. Its 3rd generation design is faster and more powerful than ever. The power level is designed for daily driving and towing capability. 

Testing Evolution Cts3 hot tune on 350k mile 06 cummins

The built-in performance meter measures 0-60 ¼ miles, and it is equipped with the ability to add a vehicle license to tune multiple vehicles. The tuner also includes the function of reading and clearing DTC codes like the check engine light showing on your dashboard.

The installation of this tuner is quite simple. All you have to do is plug it into the OBDII port. The tuner is equipped with highly customizable gauges and backgrounds. What’s more, the swipe feature enables you to easily switch between screens as needed for towing, performance, and fuel economy.

Pros

  • Full-color touch screen
  • Simple installation
  • Highly customizable
  • Fast processing speeds
  • Wi-Fi update capabilities

Cons

  • It cannot be re-registered

Final verdict

This is an excellent tuner with a good screen display, simple installation, and fast processing speeds. Thus, it will give your truck an extreme engine enhancement. If you are looking for a sleek, long-lasting tuner, you should go for the CTS3.

CTS 3 85400-300 Evolution Performance Tuner

PTG VDPC207 Performance Chip

PTG VDPC207
PTG VDPC207 Performance Chip
5
This is an excellent tuner for the 6.7 Cummins engine. If you are looking for increased fuel efficiency with increased horsepower that smoothers towing, amongst other things, this tuner is a perfect choice. This performance chip is a good option for 2007-2010 Dodge RAM 2500/3500.

Meet the PTG Performance Chip by VADOX. This is another excellent tuner for the 6.7 Cummins diesel engine. It can increase horsepower up to 45HP.

The PTG Performance Chip restores and smoothens out some rough idles. It facilitates smoother towing across your power band without increasing towing restrictions. Besides, this tuner also improves throttle response and fuel economy by altering your air/fuel ratio and timing curves securely.

This performance chip is a good option for 2007-2010 Dodge RAM 2500/3500.

It is super simple to install, even for people who are new to tuners. The chip does not make permanent changes to your vehicle’s computer, nor does it void your warranty.  In addition, the PTG VDPC207 is compatible with a 2007-2010 Dodge RAM 2500/3500.

Pros

  • Simple installation
  • Fuel economy
  • Adds up to +40 HP to your vehicle
  • Adds up to +5 MPG to your vehicle
  • Towing performance included

Cons

  • No screen display
  • Delayed technical support

Final Verdict

This is an excellent tuner for the 6.7 Cummins engine. If you are looking for increased fuel efficiency with increased horsepower that smoothers towing, amongst other things, this tuner is a perfect choice.

PTG VDPC207 Performance Chip

Readmore: How to Install a Performance Chip or Tuner: Step-by-Step Tutorials

Recommendation

Getting a tuner shouldn’t be a difficult task if you know what you are looking for. This article has reviewed some of the best tuners for a 6.7 Cummins diesel engine, highlighting some of the essential factors to consider when buying a tuner.

After looking at some of the best tuners for a 6.7 Cummins diesel engine, the ACCEL 49505 is our top pick. Its multipurpose features include fuel optimization, enhanced vehicle performance, easy installation, and reasonable price.

Readmore: Car Tune-Up Checklist and Cost: What Nobody Told You Before

FAQs:

How much does a tuner increase horsepower?

A dyno tune for your truck increases your horsepower by 10-15 percent. Although, with a few modifications on your exhaust and turbo, your horsepower can increase by 50hp.

Are tuners worth it?

Tuners are worth it because it gives you an incomparable experience on and off the highway. You even have a better experience when you use a diesel engine because there is an increase in power gain.

Can a tuner hurt your engine?

No, a tuner can’t hurt your engine. A decent tune-up will enhance your truck’s engine performance while minimizing your fuel consumption at high speed, but without regular maintenance, your engine may be at risk.

Are performance chips easy to install?

Yes, performance chips are easy to install. It should take about half an hour to install one in your car with just essential tools.

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