2023 Duramax L5P Banks Derringer High Output Tuner W/ iDash Pro (67107)
The Derringer High Output for the 2023 L5P Duramax wakes up your Chevy/GMC 2500/3500 HD — from 419 hp and 835 lb-ft to a real 523 hp and 1,039 lb-ft. That's +117 hp and +225 lb-ft on tap, spread across six on-the-fly power levels you control from the included iDash Pro. Plug it in at the OBD-II port, run wires to the truck's MAP and fuel rail sensors, and you're done — no ECM reflash, no warranty trace.
Includes the new iDash Pro Powertrain Information Center with Bluetooth mobile app — six levels, real-time EGT, coolant, boost monitoring, and wireless calibration updates straight from your phone.
- +117 hp / +225 lb-ft peak gains over stock
- Six on-the-fly power levels, ~23 hp per level
- Includes iDash Pro 5" full-color Powertrain Information Center with Bluetooth mobile app
- AutoRate dynamic tuning — adjusts in real time using vehicle diagnostics 100×/second
- Patented ActiveSafety circuitry protects engine and powertrain
- TransCommand intelligent shift tuning for transmission protection
- Altitude compensation — full power at any elevation
- 10% cooler EGTs than competitor tuners (no over-fueling)
- Works during cruise control
- Wireless firmware and calibration updates via Bluetooth
- Warranty-friendly — no reflash required, no trace in ECM after removal
- 50-state compliant
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