Top Duramax Tuners to Maximize Your Diesel’s Performance

If you own a Duramax diesel truck, you know the power and capability the engine provides. But you can take things to the next level with a tuner designed specifically for the Duramax platform. The suitable Duramax tuner gives you more horsepower, torque, and improved fuel economy to unlock your truck’s potential.

This guide will cover the 10 best Duramax tuners from leading manufacturers like Edge, SCT, and Banks. Whether you have an LML, LBZ, LB7, or older model, you’ll find the perfect tuner to optimize your Duramax’s performance.

We’ll overview tuners for all budgets, from entry-level options to top-of-the-line units with advanced features. You’ll also learn about the benefits of Duramax tuning, including added power, transmission tuning, deleted emission components, and diesel particulate filter options.

Keep reading if you’re ready to push your truck to its limits. We’ll ensure you find the ideal Duramax tuner to maximize your diesel’s power, efficiency, and driving enjoyment. Let’s kick things into high gear!

The Edge Products Evolution CTS3 Performance Tuner, model number 85401-301, is a state-of-the-art automotive accessory designed to enhance the performance of 2003-2012 Ram 5.9 & 6.7 Cummins Diesel vehicles. This CARB-approved product makes it legal for sale in all 50 states.

The tuner boasts an industry-leading design featuring a sleek, slim case and a 5-inch full-color capacitive edge-to-edge display with accurate swipe screen technology. The high-resolution screen delivers sharp images, excellent pixel ratio, and top-notch graphics. The device also offers new screen layouts, faster processing speeds, and WiFi update capability, setting it apart from its competitors.

The CTS3 is not just about aesthetics; it’s a comprehensive multi-gauge/tuner touch-screen display that is faster and more capable than ever. It offers power levels designed for daily driving, towing, performance, and extreme conditions, with potential gains of up to 175 HP and 470 lb-ft TQ.

Installation is straightforward, requiring no wiring but simply plugging into the OBDII port. Once installed, it allows monitoring of crucial vehicle parameters like EGT, regen cycles, trans temp, boost, RPM, and many more. The full-color, 5” capacitive touch screen with auto-dimming offers crystal precise data at your fingertips.

The product weighs 1.43 pounds and has dimensions of 9.5 x 6.3 x 4 inches. As of the article date on May 15th, 2023, the price of the Edge Products Evolution CTS3 Performance Tuner is $749.95. However, it’s important to note that the item cannot be shipped to all locations, so buyers must verify their delivery location before purchasing.

Precision Parts Edge Products CTS3 Evolution Performance Tuner 85400-300 Compatible


The Precision Parts Edge Products CTS3 Evolution Performance Tuner 85400-300 is a state-of-the-art device designed to enhance the performance of 2003-2012 Ram 5.9 & 6.7 Cummins Diesel vehicles. The tuner boasts a sleek, revamped case design and a 5” full-color capacitive edge-to-edge display with swipe screen technology, delivering a sharp, high-resolution image with excellent graphics.

This third-generation design is faster and more capable than ever, offering power levels designed for daily driving, towing, performance, and extreme conditions. It can deliver gains of up to 175 HP and 470 lb-ft TQ. The tuner is easy to install, simply plugging into the OBDII port with no wiring required. It allows users to monitor key vehicle parameters like EGT, regen cycles, trans temp, boost, RPM, and many more on its full-color, 5” capacitive touch screen with auto-dimming.

The CTS3 Evolution Performance Tuner is highly customizable, with various gauge and background options. It boots up directly to the gauge screen upon the vital cycle and has swipe capability for easy switching between screens as needed. It also features a built-in performance meter that measures 0-60, ¼ mile times, and more.

The tuner is equipped with an advanced integrated data logger with export capability and the ability to add vehicle licenses to tune multiple vehicles with one product. It can read and clear DTC codes and is Wi-Fi updateable.

Edge Products Insight CTS3 Touch Screen Gauge Monitor

The product in question is the Edge Products Insight CTS3 Touch Screen Gauge Monitor, model number 84130-3, and Dash Pod 28500, manufactured by Precision Parts. This device is compatible with 2001-2007 Chevy Silverado/GMC Sierra 6.6L LB7/LLY/LBZ Duramax Diesel 2500HD 3500HD vehicles.

The Insight CTS3 is a third-generation product with a faster, slimmer, and smoother design than its predecessors. It features a 5-inch full-color capacitive touchscreen display, making it one of the most sleekly designed gauges in the industry. The device also includes a high-speed processor that allows easy swipe gestures and navigation, providing an unmatched user experience in the automotive aftermarket.

This digital gauge monitor is the #1 preferred monitor on the market. It offers comprehensive monitoring capabilities for any OBD II vehicle from 1996 or newer. The Insight CTS3 works well with custom-tuning products or as a standalone monitor, providing insight into your vehicle’s performance.

The device is easy to install, requiring only to be plugged into the OBDII port with no additional wiring needed. It can monitor key vehicle parameters like EGT, regen cycles, trans temp, boost, RPM, etc. The full-color, 5” capacitive touch screen comes with auto-dimming and offers crystal-clear data at your fingertips. The device is also highly customizable, allowing users to change gauge and background designs.

Additional features include a built-in performance meter, an advanced integrated data logger with export capability, and the ability to clear and read DTC codes. The device is also Wi-Fi updateable and comes with a windshield mounting bracket. Please note that the Dash Pod may need to be painted to match the color of your interior.

Edge Products CTS3 Evolution Diesel Tuner Monitor

The Edge Products Insight CTS3 Touch Screen Gauge Monitor is a highly sought-after digital gauge monitor in the automotive market. It is favored by both daily drivers and enthusiasts for its comprehensive, state-of-the-art, multi-gauge touch-screen display. The device is an efficient and cost-effective alternative to traditional analog gauges, which can be bulky and expensive.

The Insight CTS3 features a 5″ full-color, high-resolution swipe screen that allows users to customize the color of gauge arcs, needles, and backgrounds. It also offers multiple gauge screen layouts and fully customizable backgrounds. The device is equipped with an HDMI-style plug for power and linking EAS accessories, and it provides one-touch easy menu navigation. It is compatible with vehicles from 1996 onwards and equipped with an OBDII diagnostic port.

The device can display dozens of parameters and dim the screen with a light sensitivity meter as ambient light decreases. It can switch between US or Metric units of measure and is internet updatable. The Insight CTS3 is also compatible with other tuning devices.

The third-generation design of the Insight CTS3 is faster and more capable than ever. It requires simple installation by plugging into the OBDII port, requiring no wiring. It is compatible with most domestic gas and diesel vehicles from 1996 onwards. The device allows users to monitor key vehicle parameters like EGT, regen cycles, trans temp, boost, RPM, etc.

The Insight CTS3 offers a full-color, 5” capacitive touch screen with auto-dimming, providing crystal precise data at your fingertips. It has highly customizable gauges and backgrounds and boots directly to the gauge screen upon the vital cycle. The device also includes a built-in performance meter that measures 0-60, ¼ mile times, and more. It has an advanced integrated data logger with export capability and can clear and read DTC codes. The device is Wi-Fi updateable and comes with a windshield mounting bracket.

The Insight CTS3 is compatible with 2001-2007 GM 6.6L LB7/LLY/LBZ Duramax Diesel 2500HD/3500HD. Precision Parts manufactured it, first available on April 29, 2020. The product dimensions are 12.36 x 6.85 x 12.17 inches and weighs 1.6 ounces.

Edge EVOHT2 Tuner

The Edge EVOHT2 Tuner is designed to be compatible with 2017-2019 GM Silverado Sierra 2500HD 3500HD 6.6 Duramax Diesel Flash L5P vehicles. Manufactured by EdgeProducts, this tuner weighs 1.7 pounds and comes in 11.85 x 10 x 3.7 inches package dimensions. The manufacturer part number for this item is 26402.

This product has received an average rating of 4.5 out of 5 from global customers, indicating a generally positive reception. However, some users have reported issues with the product’s performance tunes, stating that it frequently goes into cleaning mode, leading to excessive wear on the filter. Another user noted that the music tends to dump fuel, causing the DPF filter to fill up with soot. This could potentially lead to the need for replacing or removing the DPF filter.

Bully Dog – 40420 – GT Platinum Diesel Diagnostic

The Bully Dog – 40420 – GT Platinum Diesel Diagnostic is a comprehensive device that is an engine tuner, monitor, gauge, and diagnostic tool all in one. It is designed to enhance the performance of diesel trucks, specifically those powered by Cummins, Powerstroke, or Duramax engines. The device can store up to 10 custom tunes, allowing users to optimize their truck’s performance for specific situations or aftermarket equipment.

The GT Platinum Diesel Tuner is known for its ability to unlock more horsepower and torque, thereby increasing your truck’s capabilities. It can add as much as 50 hp and 100 lb-ft of torque in its primary mode, potentially delivering up to 75 hp and 125 lb-ft of torque in Performance mode. Significantly, it can increase output by as much as 120 hp and 250 lb-ft of torque.

Apart from enhancing performance, the GT Platinum Diesel Tuner improves fuel economy and provides comprehensive monitoring features and diagnostic functions. It offers adjustable features such as speedometer correction, transmission shift point adjustment, diagnostics, speed limiter removal/set, and gauge monitoring.

Precision Parts Banks Power Derringer Tuner

The Precision Parts Banks Power Derringer Tuner (Gen 2) is an automotive product designed for compatibility with the 2017-2019 Silverado/Sierra 2500HD/3500HD 6.6 L5P Duramax Diesel vehicles. This tuner, which carries the model number 66692, is manufactured by Banks and weighs approximately 1.83 pounds. The package dimensions are 9.45 x 6.14 x 3.43 inches.

The tuner features a 1.8-inch iDash, making it a versatile addition to your vehicle’s engine management system. However, potential buyers should note that products with electrical plugs are designed for use in the US and may require an adapter or converter for use in other countries due to differences in outlets and voltage.

While the product is currently out of stock and there is no information on when it will be available again, it can be compared with similar items such as Banks Power 63341, Banks Power 64330, Banks Power iDash 1.8 Expansion Gauge, and 7202 DiabloSport Predator 2.

However, it’s important to note that there have been some customer complaints about the product. One review mentioned that the Derringer tuner did not work and caused a Fuel Pressure sensor error. The customer also reported difficulty in reaching the manufacturer for support.

Banks Power 67103 Derringer Tuner

The Banks Power 67103 Derringer Tuner (Gen2) with iDash 1.8 DataMonster is a state-of-the-art inline tuner designed to enhance your vehicle’s performance. It offers six adjustable power levels, which can be changed on the fly using the iDash system. The highest level, Level 6, delivers best-in-class performance, while Level 3 is tailored for work use, providing a robust mid-range feel.

This tuner is unique in its ability to optimize calibrations in real-time, thanks to its OBD-II connectivity. It uses data inputs like throttle position, rpm, vehicle speed, AFR, knock, coolant temperature, and EGT, similar to your engine’s ECM. This ensures that your vehicle operates at peak performance across the entire operating rpm range, starting right off idle and marching to the shift point in each gear.

One of the standout features of the Derringer Tuner is its undetectability after removal. Unlike a flash tuner, which permanently alters the vehicle’s engine control module (ECM), the Derringer leaves no trace once unplugged. This makes it an ideal choice for those who want to enhance their vehicle’s performance without leaving any permanent modifications.

The Derringer Tuner also prioritizes safety. Its ActiveSafety health monitoring circuitry checks the vehicle and the module 100 times per second. If it detects an issue, it instantly bypasses itself, sets a device diagnostic code, and seamlessly returns the truck to stock power. Additionally, it has a unique coolant temp monitoring feature that prevents power addition when the engine is too cold or overheated.

The Derringer Tuner is housed in a compact, easily concealable case and interfaces with the OBD-II Port to communicate with the vehicle’s ECM. It is compatible with bank devices such as the iDash DataMonster, iDash SuperGauge, and PedalMonster throttle booster.

POWERTEQ Edge Products Evolution CTS3 GM Diesel Digital Gauge Tuner 

The POWERTEQ Edge Products Evolution CTS3 GM Diesel Digital Gauge Tuner 85400-200 is a state-of-the-art, third-generation device that offers an enhanced user experience with its sleek design and advanced features. It boasts a slim case design and a 5” full-color capacitive touchscreen display, making it one of the most stylish gauges in the industry. The device has a high-speed processor that enables easy swipe gestures and navigation, providing an unmatched user experience in the automotive aftermarket.

The CTS3 lets users choose from over 20 custom gauge screens to monitor vital vehicle parameters. Its new Modern CTS3 screen monitors up to 10 parameters (PIDs) simultaneously. The multi-screen comes with a scrolling option, allowing users to swipe between multiple gauge screens anytime. This makes it an ideal tool for those who want to monitor their vehicle’s performance without programming their car or those who have significant performance upgrades and want to monitor their vehicle’s performance safely.

The Insight CTS3 monitors vehicle performance and provides audible and visual alerts to help protect your vehicle. It delivers unmatched monitoring capability for OBD II vehicles (1996 or newer). The device works well with custom tuning products or as a stand-alone monitor for total insight into how your vehicle is performing. The third generation comes fully equipped with custom theme settings where you can mix any color you want and apply it to gauge arcs, warnings, alerts, labels, or even color-tint your background.

Banks Power 2020 GM 2500/3500 6.6L L5P Derringer Tuner

The Banks Power 2020 GM 2500/3500 6.6L L5P Derringer Tuner (Gen 2) with a 1.8in iDash is an automotive product designed to enhance your vehicle’s performance. Manufactured by Banks Power, this tuner weighs 1.94 pounds and has dimensions of 9 x 6.1 x 4 inches. The product is positioned on the right side of the vehicle and is made from aluminum.

This Derringer Tuner is not just a regular vehicle lift kit; it’s designed to meet or exceed strict quality requirements. It’s worth noting that international products may have separate terms and could differ from local products regarding fit, age ratings, and product language, labeling, or instructions.

The product has received positive reviews from users who have installed it on their vehicles. Users have noted a significant difference between the stock setting and level six on the derringer, stating that it provides so much power that towing becomes easy and passing is effortless no matter what you are hauling. Some users have specifically mentioned installing this on their 2020 Denali HD Duramax to move large items, and they found that it performed excellently.

The product is priced at $769.00 and can be purchased from FASTMODZ. As of the last update, there were only 11 units left in stock. Please note that products with electrical plugs are designed for use in the US, and outlets and voltages differ internationally. This product may require an adapter or converter for use at your destination, so checking compatibility before purchasing is essential.