Banks Big Hoss Diesel Tuner pours on the Cummins power and delivers a host of benefits and built-in safety features. Does not require a T-tap on the pump wire. Adds up to +70 hp and +180 lb-ft with recommended airflow improvements. Fully compatible with DynaFact electronic gauges. If a pyrometer is used, tuner will automatically be enabled with a Temperature Limiting Control feature to keep exhaust gas temperatures in a safe range. Built-in torque converter clutch protection. When signal is delivered to lock the torque converter, additional fuel delivery is momentarily de-rated to eliminate clutch slippage. Incorporates a mission-critical safety-circuit design that functions as an engine and transmission watchdog. The built-in self-diagnostics ensure that the device has no negative effect on the vehicle's electronics. Competitively priced. Banks Big Hoss Diesel Tuner pours on the Cummins power and delivers a host of benefits and built-in safety features.