Six-Gun Diesel Tuner, with Switch for 2003-2007 Ford F250/F350/F450/F550 6.0L Power Stroke, and 2003-2005 Excursion

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Calibrated for sport, Six-Gun is a fully engineered diesel tuner with an unmatched combination of power, safety and versatility. It delivers pavement-shredding best gains of +115 hp and +206 lb-ft at the rear wheels; has six 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.

  • Easy Install
  • Loaded with Features
  • Value Priced
  • Destroys the competition, not your vehicle!
  • ActiveSafety protects engine/powertrain
  • Gain up to +115 hp, +206 lb-ft at rear-wheels
  • Optimum fuel tuning for awesome power
  • Temperature limiting control w/opt Temp Limit Kit 63055
  • Six-Gun Diesel Tuner, with selector

Emissions Compliant: D-161-93

Test Time

Test vehicle: 2003 Ford Extended Cab 2WD F350 Dually.

Engine: 6.0L Power Stroke.

Transmission: TorqueShift SR100 5-Speed Automatic.

Note: Six-Gun tests performed with Banks Six-Gun Bundle airflow improvements. Upgradeable options include Banks iDash and airflow components to build a complete engineered power system.

For best Six-Gun Tuner performance, Banks always recommends airflow improvements.

Banks Six-Gun test data
Six-Gun, Level 6 Stock Banks Improvement Results
Rear-Wheel Horsepower:
Best gain
236.2 hp (3600 rpm) 351.3 hp (3600 rpm) +115.1 hp 49% more
Rear-Wheel Torque:
Best gain
455.4 lb-ft (2400 rpm) 661.5 lb-ft (2400 rpm) +206.1 lb-ft 45% more
Rear-Wheel Horsepower:
268.7 hp
(3200 rpm)
370.0 hp
(3200 rpm)
+101.3 hp 38% more
Rear-Wheel Torque:
467.0 lb-ft (2200 rpm) 661.5 lb-ft (2400 rpm) +194.5 lb-ft 42% more
Acceleration, time:
1/8 mile
11.21 sec 10.17 sec -1.04 sec 9% quicker
Acceleration, speed:
1/8 mile
67.9 mph 75.7 mph +7.8 mph 12% faster
Acceleration, time:
1/4 mile
17.25 sec 15.70 sec -1.55 sec 9% quicker