Banks Derringer® High Output Tuner - GM Duramax 6.6L L5P (2020-2023)
Banks Derringer® High Output Tuner - GM Duramax 6.6L L5P (2020-2023)
SKU: SKU:67106
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The Banks Derringer® High Output adds +117 hp and +225 lb-ft to the 2020-2023 GM Duramax 6.6L L5P with six power levels adjustable on the fly. It communicates with the truck's ECM through the OBD-II port to adjust the tune in real time, compensating for altitude, while ActiveSafety circuitry protects the engine and Transcommand protects the transmission. Controlled by the iDash Pro® Powertrain Information Center with a Bluetooth mobile app. Warranty-friendly with no reflash and no trace left in the ECM after removal.
Key features
- Adds +117 hp and +225 lb-ft
- 6 power levels changeable on the fly via iDash (about 23 hp per level)
- Interfaces with the OBD-II port to communicate with the vehicle's ECM
- Warranty friendly: no reflash required, no trace left in ECM after removal
- Works while in cruise control
- AutoRate tunes in real time using vehicle diagnostics
- ActiveSafety protects the engine and powertrain
- Transcommand protects the transmission
- Real-time bar graph on iDash displays added power
- Update iDash Pro and Derringer firmware via Bluetooth
Fitment
Fits 2020-2023 Chevrolet Silverado 2500/3500 and GMC Sierra 2500 HD/3500 HD with the 6.6L L5P Duramax diesel. This product is intended for off-road and competition use; the customer is responsible for legality in their jurisdiction.
Installation
Installation manual and video from Banks.
Service parts
- 2020-2022 with iDash Pro (no data logging): 67106
- 2020-2022 with iDash Data Pro (with data logging): 67126
- 2023 with iDash Pro (no data logging): 67107
- 2023 with iDash Data Pro (with data logging): 67127
Banks parts 67106, 67126, 67107, 67127.

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