Fits: 2023 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P Duramax Diesel

THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA.

Banks Derringer High Output Tuner elevates the 2020-23 Chevy/GMC Duramax 6.6L from 419 hp and 835 lb-ft to an impressive 523 hp and 1039 lb-ft. With the innovative iDash Pro Powertrain Information Center and accompanying mobile app, this system allows for real-time adjustments and reliable performance, even at high altitudes. Its patented ActiveSafety circuitry ensures the protection of the engine and transmission. Enhanced by the advanced capabilities of the Banks iDash Pro Powertrain Information Center, this suite of instruments is compatible with warranties and leaves no trace upon removal.

Features:

• Adds +117 hp +225 lb-ft

• 6 power levels that can be changed on-the-fly via iDash. Each level adds approx 23 hp

• Interfaces with OBD-II Port (On-Board Diagnostics) to communicate with vehicle's ECM

• Warranty friendly: no reflash required and no trace left in ECM after removal

• Works while in cruise-control

• AutoRate tunes in realtime using vehicle diagnostics

• ActiveSafety protects engine/powertrain

• Transcommand protects transmission

• Real-time bar graph on iDash displays Derringer's added power

• Update Derringer firmware, calibration through iDash via Bluetooth

• 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.

Options: 

Installation: 

• For Single Alternator 2023 Duramax L5P

• For Dual Alternator 2023 Duramax L5P

DmaxStore Note: 

• To maintain peak performance, EGT must be monitored and kept below 1550°F to avoid engine derate.