DERRINGER HIGH OUTPUT SYSTEM, 2024-2026 SILVERADO/SIERRA 2500/3500 L5P, WITH IDASH PRO

The Banks Derringer High Output Tuner transforms your 2024-25 Chevy/GMC Duramax 6.6L, adding +86 hp and +178 lb-ft of torque at the wheels — pushing output from 438 hp/928 lb-ft to an impressive 519 hp/1,068 lb-ft. Whether you're merging, passing, or towing uphill, Derringer makes it effortless.

Key Features

• +86 hp and +178 lb-ft at the wheels
• 6 power levels changeable on-the-fly via iDash
• Interfaces with OBD to communicate with vehicle's ECM in real time
• Warranty friendly — no reflash required, no trace left after removal
• Works while in cruise control
• AutoRate tunes in real time using vehicle diagnostics
• ActiveSafety® protects engine and powertrain
• Transcommand protects transmission during shifts
• 50-state emissions compliant
• Includes iDash Pro with Bluetooth wireless connectivity

6 Power Levels

• Level 1 — Stock
• Level 2 — Fuel economy
• Levels 3-4 — Work and heavy towing
• Levels 5-6 — Maximum power

All levels are safe to tow thanks to real-time monitoring of exhaust gas temps, coolant temps, transmission slip, and more.

ActiveSafety® Health Monitoring

• Internal diagnostics check the system 100 times per second
• Monitors MAP, FRP signals, and CPU activity
• Bypass relays smoothly return to stock power in the event of failure — no limp mode
• Altitude compensation maintains power as elevation increases
• Coolant temperature monitoring — no added power below 160°F or above 240°F

Intelligent Shift Tuning

• Optimizes gear shifts for each power level on the GM/Allison 10-speed transmission
• Reduces added power momentarily during shifts to protect torque converter and clutch
• Accelerator pedal monitoring rolls in power progressively for fuel economy and max performance