BANKS POWER Derringer High Output suits 2020-2022 Chevy/GMC 2500/3500 6.6L Duramax, L5P

The new Derringer for 2020-23 Chevy/GMC Duramax 6.6L is an OBD-II connected tuner that adds +117 hp / 225 hp. AutoRate® intelligently provides optimum power by monitoring boost, RPM, speed, gear, EGT, coolant temp and even adjusts for altitude. Activesafety® protects the engine with its self-monitoring hardware, avoiding the dreaded "reduced engine power" condition caused by other tuners. Transcommand® protects the transmission with intelligent power delivery for slippage prevention and smooth shifting.

About This Product

About This Product Derringer High Output adds +117 hp +225 lb-ft with 6 safe power levels adjustable on-the-fly. Communicates with the truck's ECM to adjust the tune in real-time, even compensating for altitude. ActiveSafety circuitry protects the engine and transmission. Controlled by the new iDash Pro Powertrain Information Center with Bluetooth mobile app. Warranty friendly

Key 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 real time 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