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Gale thumb nail for the Derringer HO tuner
The towing upgrade every 2024-25 Duramax needs!
The towing upgrade every 2024-25 Duramax needs!
Banks Power

Add Power, Improve Response, Monitor Vehicle

Banks all-new Derringer High Output tuner brings the 2024-25 Chevy/GMC Duramax 6.6L from 438 hp and 928 Ib-ft to a tire-shredding 519 hp and 1068 Ib-ft. The system provides a massive increase in torque across the working range of the engine. Merging, passing, and uphill climbs while towing are easier than ever.

The system includes your choice of the all-new iDash Pro or iDash Data Pro Powertrain Information Center, the most advanced automotive evaluation tool. The Derringer system communicates with the truck's ECM to adjust the tune in real-time, even compensating for altitude. Patented ActiveSafety circuitry protects the engine and transmission, and the Derringer is warranty-friendly, leaving no trace left behind after removal.

Power Gain

Chart showing the added horsepower undser the curve for the Derringer HO
Wheel Horsepower
Wheel Torque

Even with the updated stock power figures for the 24+ models, Derringer puts down a best gain of +86 hp, pushing near 520 wheel hp to the road. Plus, the massive increase of +178 Ib-ft of torque is situated right in the heart of the power band where you need it most.

Power for every situation

Derringer features 6 power levels, each with a calibration engineered for a specific task. Unlike other tuners, you can change Derringer’s power levels as you drive, using the iDash Pro itself, or the Banks mobile app.
2024+ Derringer High Output Power Levels
  • Level 1 — stock
  • Level 2 — fuel economy*
  • Levels 3-4 — work and heavy towing
  • Levels 5-6 — max power

All levels are safe to tow thanks to Derringer’s real-time monitoring of exhaust gas and coolant temperatures, transmission slip, and other data points.

*Fuel economy varies based on driving habits and payload.

Boost Control Where You Need It

Derringer provides a huge increase in torque across the working range of the engine between 2200 and 2800 RPM. We accomplish this by controlling midrange boost. Look at the yellow zone. Mid-range boost equals mid-range torque.
Chart showing the added boost used in the Derringer HO

We’ve built 26,000 JLTV engines for the U.S. Army using the same tuning approach that we’re now applying to your Duramax. The midrange is where you work your truck.

Power You Can Use

Most interstate onramps are about 1,100 feet. This means you have only 1,100 feet to reach 70 mph. And, the heavier you tow, the harder this becomes. We loaded a Tacoma into a trailer and hitched it to our ‘24 Duramax. Gross vehicle weight was 20,065 pounds. The stock ‘24 Duramax took 1,279 feet to reach 70 mph. With the Derringer set to level 6 (max power), the rig reached 70 mph in just 1,085 feet. The Derringer-tuned truck hit 70 mph 194 feet sooner than stock. It was safely merging with semis while the stock truck was still accelerating past the merging zone, fighting semis for a lane.
Bank Derringer HO 2024 L5P Merging Power
Bank Derringer HO 2024 L5P Passing Power
Merging Power
Passing Power

Derringer's added power becomes even more pronounced when passing up a grade, while towing. Passing on the highway with a 20,065 lb GVW rig up a 7% grade, Derringer rocketed the truck from 45 mph to 70 mph a full 8.5 seconds quicker than stock.

Pushing on to 75 mph, the stock tune runs out of steam on the top end while Derringer continues to pull strong. The gap between stock and Banks widens to a full 12.41 seconds and nearly a quarter mile of separation.

AutoRate® Dynamic Tuning

Diagram of Derringer High Output installation with iDash Pro
  • Exhaust Gas Temperature (EGT) — Monitors EGT and intelligently modulates fueling to maintain a safe maximum EGT, protecting your turbo and engine.
  • Altitude compensation — Senses ambient air pressure, controlling the turbocharger to maintain power as altitude increases.
  • Coolant Temperature Monitoring — Maintains safe power based on coolant temp.
    Derringer does not add power below 160°F or above 240°F
  • Full Power Timer — Allows for 30 seconds of wide-open throttle before transitioning to the recommended power level for sustained tow/haul.

ActiveSafety® Health Monitoring

Banks combines mechanical fail-safe measures to revert to stock in the event of internal failure while also intelligently adding power based on vehicle operating conditions, such as cold or hot coolant temps or knock from bad fuel.
ActiveSafety illustration

Derringer is the only tuner available with Active Safety® health monitoring circuitry:

  • Internal diagnostics checks the system 100 times per second
  • Checks MAP and FRP signals and monitors CPU activity
  • Activates in the event of failure or loss of 12-volt power
  • Bypass relays smoothly return stock power with no loss of power or "Limp Mode"

TransCommand® Active Transmission Safety System

Closeup of transmission internals

Derringer High Output is calibrated to modulate power during shifts for better clutch engagement. Thanks to its OBD connectivity, Derringer knows when the GM/Allison 10-speed transmission is shifting gears. It reduces its added power momentarily to allow for a smooth shift. Competitive tuners have no idea or simply ignore when the transmission is shifting and continue to add power, overspeeding the transmission and causing long-term damage.

  • Intelligent Shift Tuning — Gear shifts are optimized for each power level to protect the transmission and increase shift speed while protecting against torque converter and clutch slip.
  • Accelerator Pedal Monitoring — Rolls in additional power progressively, optimizing for both part-throttle fuel economy and maximum power when you want it.

Includes iDash Powertrain Information Center

Derringer includes iDash Pro, the most advanced iDash ever. The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood, as well as control Derringer, PedalMonster, and more. The compact device blows away the capabilities of any OBD plug-in diagnostic device and offers more functionality than instruments 5X the price.

Progress Through Evolution

The iDash Pro builds upon the foundation of the iDash Classic and adds improvements including a new high-res screen, wireless updates, expanded internal memory, 25% faster data logging, and additional features coming soon.
iDash Pro with Direct Connect port removed.
Exterior
Interior
  • High resolution screen with ultra-wide viewing angles
  • Vibrant high-contrast selectable color schemes
  • Higher speed datalog rate
  • Expanded memory for nearly unlimited vehicle support
  • Over-The-Air updates via Bluetooth

Bluetooth App Makes It Easy

The Banks mobile app for Apple and Android makes setup, configuration, and updating the iDash Pro easier than ever.

  • Select and move gauges
  • Change color themes
  • Switch screen layouts
  • Easily look up parameter definitions

Wireless transfer of data logs coming soon for iDash Data Pro users.

Information At Your Fingertip

Screen 1
Screen 2
Screen 3
Screen 4

Monitor up to 8 gauges on 5 customizable screens. That's 40 gauges at the touch of a button. Quickly change gauges, layouts, colors, and pages via intuitive buttons or a tap or swipe on the mobile app. Connect up to 4 iDash Pros to see even more information at once. See what data iDash Pro can display for your vehicle.

About This Product

The Banks Derringer High Output is designed for those who work their 2024-2025 Duramax 6.6L trucks. The system provides a massive increase in torque across the working RPM range of the engine. Merging, passing and uphill climbs while towing are easier than ever. Choose from 6 power levels as you drive, including fuel economy calibrations, work, and max power. Derringer communicates with the truck's ECM to adjust the tune in real-time, even compensating for altitude. ActiveSafety circuitry protects the engine and transmission. Derringer is controlled by the all-new iDash Pro Powertrain Information Center with Bluetooth mobile app. Best of all, it's warranty friendly. After removal, there's no trace left behind.

Key Features
  • Adds 86 hp and 178 lb-ft at the wheels
  • 6 power levels that can be changed on-the-fly via iDash
  • Interfaces with OBD (On-Board Diagnostics) to communicate with vehicle's ECM
  • Warranty friendly: no reflash required and no trace left after removal
  • Works while in cruise-control
  • AutoRate tunes in real time using vehicle diagnostics
  • ActiveSafety protects engine/powertrain
  • Transcommand protects transmission
  • Real-time bar graph on iDash displays Derringer's added power
  • Control, monitor, and update iDash Pro wirelessly via Bluetooth connectivity
Specifications

Results in torque and power gains across the full operating rpm range, starting right off idle and marching to the shift point in each gear. Derringer is dyno calibrated to use multiple data inputs such as throttle position, rpm, vehicle speed, AFR, knock, coolant temperature, and EGT, just like your engine's ECM. It actively and safely optimizes calibrations in real-time thanks to its OBD-II connectivity. No competitive tuner does that.

Derringer has 6 levels, adjustable on-the-fly using the iDash. Level 6 produces best-in-class performance. Level 3 is designed for work use and has a great mid-range feel. When running Level 3 with a loaded truck and/or pulling a trailer, your on-ramp merging speeds and passing times are greatly improved.

The electronics are enclosed in a compact housing which is easily concealed and communicates with other Banks devices such as our iDash Pro, iDash Data Pro, and PedalMonster throttle booster. The Derringer connects in line with your truck's engine sensors. But unlike other tuners, it also connects to the vehicle's OBD-II diagnostic bus.

ActiveSafety health monitoring circuitry keeps an eye on the vehicle and the module itself. It checks its health 100 times a second. If it detects an issue, the Derringer instantly bypasses itself, sets a device diagnostic code, and seamlessly returns the truck to stock power. Plus, Derringer's special coolant temp monitoring prevents power addition when the engine is too cold or overheated. The Derringer also auto-adjusts power if knock occurs due to bad fuel. Maximum safe power is all automatic with a Derringer — you just choose your preferred power level and enjoy the ride.

Installation and Support

Derringer High Output

High Output Tuner with iDash Pro or iDash Data Pro

SKU #67108

2024-2025 Chevy/GMC 2500/3500 6.6L Duramax, L5P

Includes new iDash Pro Powertrain Information Center. Patented safety. Warranty friendly.

SHIPS EARLY AUGUST Mount Not Included Mount Not Included Does Not Work with iDash SuperGauge or DataMonster Requires iDash Pro or iDash Data Pro
$1,398.00
MSRP: $1,553.33

Choose Your Derringer High Output

Your Selection: With iDash Pro (no data logging)
Add-Ons
Banks Ram-Air®
$495.00
MSRP: $550.00
Banks Ram-Air®
$495.00
MSRP: $550.00
Banks Ram-Air®
$495.00
MSRP: $550.00

This Item Cannot Ship To California
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This product cannot ship to California yet as it is currently undergoing emissions testing and review. Sign up to be notified when it is 50-state compliant. Derringer High Output becomes available.
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Notify me when available (67108 CA)


Derringer High Output

Add Power, Improve Response, Monitor Vehicle

Banks all-new Derringer High Output tuner brings the 2024-25 Chevy/GMC Duramax 6.6L from 438 hp and 928 Ib-ft to a tire-shredding 519 hp and 1068 Ib-ft. The system provides a massive increase in torque across the working range of the engine. Merging, passing, and uphill climbs while towing are easier than ever.

The system includes your choice of the all-new iDash Pro or iDash Data Pro Powertrain Information Center, the most advanced automotive evaluation tool. The Derringer system communicates with the truck's ECM to adjust the tune in real-time, even compensating for altitude. Patented ActiveSafety circuitry protects the engine and transmission, and the Derringer is warranty-friendly, leaving no trace left behind after removal.

Power Gain

Chart showing the added horsepower undser the curve for the Derringer HO
Wheel Horsepower
Wheel Torque

Even with the updated stock power figures for the 24+ models, Derringer puts down a best gain of +86 hp, pushing near 520 wheel hp to the road. Plus, the massive increase of +178 Ib-ft of torque is situated right in the heart of the power band where you need it most.

Power for every situation

Derringer features 6 power levels, each with a calibration engineered for a specific task. Unlike other tuners, you can change Derringer’s power levels as you drive, using the iDash Pro itself, or the Banks mobile app.
2024+ Derringer High Output Power Levels
  • Level 1 — stock
  • Level 2 — fuel economy*
  • Levels 3-4 — work and heavy towing
  • Levels 5-6 — max power

All levels are safe to tow thanks to Derringer’s real-time monitoring of exhaust gas and coolant temperatures, transmission slip, and other data points.

*Fuel economy varies based on driving habits and payload.

Boost Control Where You Need It

Derringer provides a huge increase in torque across the working range of the engine between 2200 and 2800 RPM. We accomplish this by controlling midrange boost. Look at the yellow zone. Mid-range boost equals mid-range torque.
Chart showing the added boost used in the Derringer HO

We’ve built 26,000 JLTV engines for the U.S. Army using the same tuning approach that we’re now applying to your Duramax. The midrange is where you work your truck.

Power You Can Use

Most interstate onramps are about 1,100 feet. This means you have only 1,100 feet to reach 70 mph. And, the heavier you tow, the harder this becomes. We loaded a Tacoma into a trailer and hitched it to our ‘24 Duramax. Gross vehicle weight was 20,065 pounds. The stock ‘24 Duramax took 1,279 feet to reach 70 mph. With the Derringer set to level 6 (max power), the rig reached 70 mph in just 1,085 feet. The Derringer-tuned truck hit 70 mph 194 feet sooner than stock. It was safely merging with semis while the stock truck was still accelerating past the merging zone, fighting semis for a lane.
Bank Derringer HO 2024 L5P Merging Power
Bank Derringer HO 2024 L5P Passing Power
Merging Power
Passing Power

Derringer's added power becomes even more pronounced when passing up a grade, while towing. Passing on the highway with a 20,065 lb GVW rig up a 7% grade, Derringer rocketed the truck from 45 mph to 70 mph a full 8.5 seconds quicker than stock.

Pushing on to 75 mph, the stock tune runs out of steam on the top end while Derringer continues to pull strong. The gap between stock and Banks widens to a full 12.41 seconds and nearly a quarter mile of separation.

AutoRate® Dynamic Tuning

Diagram of Derringer High Output installation with iDash Pro
  • Exhaust Gas Temperature (EGT) — Monitors EGT and intelligently modulates fueling to maintain a safe maximum EGT, protecting your turbo and engine.
  • Altitude compensation — Senses ambient air pressure, controlling the turbocharger to maintain power as altitude increases.
  • Coolant Temperature Monitoring — Maintains safe power based on coolant temp.
    Derringer does not add power below 160°F or above 240°F
  • Full Power Timer — Allows for 30 seconds of wide-open throttle before transitioning to the recommended power level for sustained tow/haul.

ActiveSafety® Health Monitoring

Banks combines mechanical fail-safe measures to revert to stock in the event of internal failure while also intelligently adding power based on vehicle operating conditions, such as cold or hot coolant temps or knock from bad fuel.
ActiveSafety illustration

Derringer is the only tuner available with Active Safety® health monitoring circuitry:

  • Internal diagnostics checks the system 100 times per second
  • Checks MAP and FRP signals and monitors CPU activity
  • Activates in the event of failure or loss of 12-volt power
  • Bypass relays smoothly return stock power with no loss of power or "Limp Mode"

TransCommand® Active Transmission Safety System

Closeup of transmission internals

Derringer High Output is calibrated to modulate power during shifts for better clutch engagement. Thanks to its OBD connectivity, Derringer knows when the GM/Allison 10-speed transmission is shifting gears. It reduces its added power momentarily to allow for a smooth shift. Competitive tuners have no idea or simply ignore when the transmission is shifting and continue to add power, overspeeding the transmission and causing long-term damage.

  • Intelligent Shift Tuning — Gear shifts are optimized for each power level to protect the transmission and increase shift speed while protecting against torque converter and clutch slip.
  • Accelerator Pedal Monitoring — Rolls in additional power progressively, optimizing for both part-throttle fuel economy and maximum power when you want it.

Includes iDash Powertrain Information Center

Derringer includes iDash Pro, the most advanced iDash ever. The iDash Pro Powertrain Information Center is a microcomputer that allows you to monitor and record what’s actually going on under your hood, as well as control Derringer, PedalMonster, and more. The compact device blows away the capabilities of any OBD plug-in diagnostic device and offers more functionality than instruments 5X the price.

Progress Through Evolution

The iDash Pro builds upon the foundation of the iDash Classic and adds improvements including a new high-res screen, wireless updates, expanded internal memory, 25% faster data logging, and additional features coming soon.
iDash Pro with Direct Connect port removed.
Exterior
Interior
  • High resolution screen with ultra-wide viewing angles
  • Vibrant high-contrast selectable color schemes
  • Higher speed datalog rate
  • Expanded memory for nearly unlimited vehicle support
  • Over-The-Air updates via Bluetooth

Bluetooth App Makes It Easy

The Banks mobile app for Apple and Android makes setup, configuration, and updating the iDash Pro easier than ever.

  • Select and move gauges
  • Change color themes
  • Switch screen layouts
  • Easily look up parameter definitions

Wireless transfer of data logs coming soon for iDash Data Pro users.

Information At Your Fingertip

Screen 1
Screen 2
Screen 3
Screen 4

Monitor up to 8 gauges on 5 customizable screens. That's 40 gauges at the touch of a button. Quickly change gauges, layouts, colors, and pages via intuitive buttons or a tap or swipe on the mobile app. Connect up to 4 iDash Pros to see even more information at once. See what data iDash Pro can display for your vehicle.

About This Product

The Banks Derringer High Output is designed for those who work their 2024-2025 Duramax 6.6L trucks. The system provides a massive increase in torque across the working RPM range of the engine. Merging, passing and uphill climbs while towing are easier than ever. Choose from 6 power levels as you drive, including fuel economy calibrations, work, and max power. Derringer communicates with the truck's ECM to adjust the tune in real-time, even compensating for altitude. ActiveSafety circuitry protects the engine and transmission. Derringer is controlled by the all-new iDash Pro Powertrain Information Center with Bluetooth mobile app. Best of all, it's warranty friendly. After removal, there's no trace left behind.

Key Features
  • Adds 86 hp and 178 lb-ft at the wheels
  • 6 power levels that can be changed on-the-fly via iDash
  • Interfaces with OBD (On-Board Diagnostics) to communicate with vehicle's ECM
  • Warranty friendly: no reflash required and no trace left after removal
  • Works while in cruise-control
  • AutoRate tunes in real time using vehicle diagnostics
  • ActiveSafety protects engine/powertrain
  • Transcommand protects transmission
  • Real-time bar graph on iDash displays Derringer's added power
  • Control, monitor, and update iDash Pro wirelessly via Bluetooth connectivity
Specifications

Results in torque and power gains across the full operating rpm range, starting right off idle and marching to the shift point in each gear. Derringer is dyno calibrated to use multiple data inputs such as throttle position, rpm, vehicle speed, AFR, knock, coolant temperature, and EGT, just like your engine's ECM. It actively and safely optimizes calibrations in real-time thanks to its OBD-II connectivity. No competitive tuner does that.

Derringer has 6 levels, adjustable on-the-fly using the iDash. Level 6 produces best-in-class performance. Level 3 is designed for work use and has a great mid-range feel. When running Level 3 with a loaded truck and/or pulling a trailer, your on-ramp merging speeds and passing times are greatly improved.

The electronics are enclosed in a compact housing which is easily concealed and communicates with other Banks devices such as our iDash Pro, iDash Data Pro, and PedalMonster throttle booster. The Derringer connects in line with your truck's engine sensors. But unlike other tuners, it also connects to the vehicle's OBD-II diagnostic bus.

ActiveSafety health monitoring circuitry keeps an eye on the vehicle and the module itself. It checks its health 100 times a second. If it detects an issue, the Derringer instantly bypasses itself, sets a device diagnostic code, and seamlessly returns the truck to stock power. Plus, Derringer's special coolant temp monitoring prevents power addition when the engine is too cold or overheated. The Derringer also auto-adjusts power if knock occurs due to bad fuel. Maximum safe power is all automatic with a Derringer — you just choose your preferred power level and enjoy the ride.

Installation and Support

Don't forget your Stealth Pod!
The A pillar in your truck varies by trim level.
(Style 1| Style 2 )

 - Please check your vehicle

Be sure to add the correct Stealth Pod to your cart prior to placing your order.
(Style 1 | Style 2)