2020-2022 Duramax Banks Derringer High Output Tuner For Use w/ iDash (67133)

Already own an iDash? This is the Derringer HO module by itself — same +117 hp / +225 lb-ft you'd get from the bundled kit, just without the iDash display. Plug it in, link it to your existing iDash Pro or Data Pro, and pick from six power levels on-the-fly.

The Derringer High Output for the 2020-2022 L5P Duramax takes the truck from 419 hp / 835 lb-ft up to 523 hp / 1,039 lb-ft — without a reflash, without a trace in the ECM, and without compromising your factory warranty.

• +117 hp / +225 lb-ft peak gains over stock
• Six on-the-fly power levels (~23 hp per level)
• Patented ActiveSafety circuitry — monitors engine 100×/second
• TransCommand intelligent shift tuning for transmission protection
• AutoRate dynamic tuning with real-time ECM communication
• Altitude compensation
• 10% cooler EGTs than competitor tuners (no over-fueling)
• Works during cruise control
• Warranty-friendly — no reflash, no trace
• 50-state compliant

• iDash Pro or iDash Data Pro is REQUIRED to operate this Derringer module — sold separately.
• Don't already own an iDash? Pick up the bundled kit instead: 2020-2022 Duramax Banks Derringer HO with iDash Pro (67106) or iDash Data Pro (67126).
• Connects to your existing iDash via Banks B-Bus.

• Derringer High Output tuner module
• OBD-II wiring harness
• Sensor harnesses (MAP, fuel rail)
• Installation hardware
• Owner's manual + product registration card