Fits: 2001 thru 2004 Chevy Silverado/GMC Sierra 2500HD/3500 LB7 Duramax Diesel

Optimum fuel tuning for awesome sport/street power, built-in safety and adjust-on-the-fly power, plus CleanTune Technology.

Calibrated for sport applications, Six-Gun delivers pavement-shredding power with CleanTune technology, which out-performs dirty, smoky tunes; has change-on-the-fly power levels; is Stacked for Power to tune pulse width, timing and fuel pressure; and has exclusive AutoRate and ActiveSafety engine and transmission safeguards. Six-Gun will rocket you from 0-60 mph quicker, and boost your 1/4-mile speed! Banks iDash 1.8 DataMonster is packed full of awesome! Use it for total control of your Six-Gun Tuner. Achieve best gains with a touch of your finger. Set and monitor EGT, coolant temps and a vast array of other engine parameters. Scan/define/clear vehicle diagnostic codes. Data-log up to 100 parameters and review on your iDash or export files to review on your computer. All gains measured at the rear wheels, with recommended airflow improvements. Upgradeable options include airflow components to build a complete engineered power system. For best Six-Gun Diesel Tuner performance, Banks always recommends airflow improvements.

Features:

• 50 State Legal CARB EO# D-161-92/D-161-93
• Gain up to +120 hp/+210 lb-ft TQ at rear wheels, year dependent. 
• Calibrated for Sport, Stacked for Power
• 6 change-on-the-fly power levels
• Enhanced vehicle monitoring with iDash DataMonster
• Data-Log up to 100 parameters
• Easy Install
• Loaded with Features
• Value Priced
• AutoRate and ActiveSafety protects engine/powertrain
• Destroys the competition, not your vehicle!