Skip to product information
2003-2005 Cummins Six-Gun Diesel Tuner

Banks Power

2003-2005 Cummins Six-Gun Diesel Tuner

$930.90 CAD

Performance part for diesel trucks. Please confirm compatibility before purchasing.

Description
Description

Fits

Year Make Model Engine
2003-2005 Dodge Ram 2500/3500 5.9L Cummins

 

Optimum fuel tuning for awesome power, built-in safety and adjust-on-the-fly power. 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 +105 hp and +258 lb-ft at the rear wheels. Has 6 change-on-the-fly power levels. Is Stacked for Power to tune timing and fuel pressure. Also has exclusive AutoRate and ActiveSafety engine and transmission safeguards. Horsepower and torque measured at rear wheels. 

Features
  • Gain up to 105 HP, 258 ft/lbs TQ at rear wheels
  • Choose between 6 power levels though iDash
  • Destroys the competition, not your vehicle!
  • Optimum fuel tuning for awesome power
  • DataMonster logs temps, pressures, speeds, etc
  • iDash displays temps, pressures, speeds, etc
  • Record and review datalogs directly on iDash
  • ActiveSafety protects engine/powertrain
  • Loaded with Features
  • Easy Install
Notes 
  • Banks Horsepower and Torque tests were performed with recommended airflow improvements. 
  • Upgradeable options include Banks iDash DataMonster or SuperGauge and airflow components to build a complete engineered power system.
  • For best Six-Gun Tuner performance, Banks always recommends airflow improvements.
Installation
Additional Information

235-hp Rated Engine

Test vehicle: 2003 Dodge RAM 3500 Quad Cab • 2wd Dually
Engine: 5.9L Cummins ISB (235-hp rated) • Transmission: 4-speed automatic
Horsepower and torque measured at rear wheels.

2003 Dodge RAM 3500 Quad Cab rear-wheel Horsepower2003 Dodge RAM 3500 Quad Cab rear-wheel Torque

Note: Banks Horsepower and Torque tests performed with recommended airflow improvements

Six-Gun, Level 6 Stock Banks Improvement Results
Horsepower, Best gain 147.7 hp
@2200 rpm
252.5 hp
@2200 rpm
+104.8 hp 71% more
Torque, Best gain 353.3 lb-ft
@2000 rpm
611.0 lb-ft
@2000 rpm
+257.7 lb-ft 73% more
Horsepower, Peak-to-peak 182.8 hp
@2800 rpm
263.7 hp
@2400 rpm
+80.9 hp 44% more
Torque, Peak-to-peak 358.3 lb-ft
@2600 rpm
611.4 lb-ft
@1800 rpm
+253.1 lb-ft 71% more
Acceleration, time:
1/8 mile
13.92 secs 11.62 secs -2.30 secs 17% quicker
Acceleration, time:
1/4 mile
20.86 secs 17.92 secs -2.94 secs 14% quicker
Acceleration, speed:
1/4 mile
70.4 mph 77.6 mph +7.2 mph 10% faster
Acceleration: 1/4 mile, Trucklengths over stock* - - 14.3
Trucklengths
-
Acceleration, time:
0-60 mph
15.04 secs 10.05 secs -4.99 secs 33% quicker
*(1 trucklength = 20 ft)

 


305-hp Rated Engine

Test vehicle: 2004 Dodge RAM 3500 Quad Cab • 2wd Dually
Engine: 5.9L Cummins ISB (305-hp rated) • Transmission: 4-speed automatic (48RE)
Horsepower and torque measured at rear wheels.

2003 Dodge RAM 3500 Quad Cab rear-wheel Horsepower2003 Dodge RAM 3500 Quad Cab rear-wheel Horsepower

Note: Banks Horsepower and Torque tests performed with recommended airflow improvements

Six-Gun, Level 6 Stock Banks Improvement Results
Horsepower, Best gain 190.5 hp
@2200 rpm
280.0 hp
@2200 rpm
+89.5 hp 47% more
Torque, Best gain 448.0 lb-ft
@1800 rpm
678.0 lb-ft
@1800 rpm
+230.0 lb-ft 51% more
Horsepower, Peak-to-peak 235.8 hp
@2800 rpm
292.5 hp
@2400 rpm
+56.7 hp 24% more
Torque, Peak-to-peak 462.2 lb-ft
@2600 rpm
678.0 lb-ft
@1800 rpm
+215.8 lb-ft 47% more
Acceleration, time:
1/8 mile
11.74 sec 10.98 sec -0.76 sec 7% quicker
Acceleration, time:
1/4 mile
17.82 sec 16.70 sec -1.12 sec 6% quicker
Acceleration, speed:
1/4 mile
80.6 mph 86.4 mph +5.8 mph 7% faster
Acceleration: 1/4 mile, Trucklengths over stock* - - 6.3
Trucklengths
-
Acceleration, time:
0-60 mph
10.18 sec 8.61 sec -1.57 sec 15% quicker
*(1 trucklength = 20 ft)

 


325/600 Engine

Test vehicle: 2004 Dodge RAM 3500 Quad Cab • 4wd Dually
Engine: 5.9L Cummins ISB (325/600) • Transmission: 4-speed automatic (48RE)
Horsepower and torque measured at rear wheels.

2004 Dodge RAM 3500 Quad Cab rear-wheel Horsepower2004 Dodge RAM 3500 Quad Cab rear-wheel Horsepower

Note: Banks Horsepower and Torque tests performed with recommended airflow improvements

Six-Gun, Level 6 Stock Banks Improvement Results
Horsepower, Best gain 206.1 hp
@2200 rpm
308.1 hp
@2200 rpm
+102.0 hp 49% more
Torque, Best gain 493.2 lb-ft
@2000 rpm
745.4 lb-ft
@2000 rpm
+252.2 lb-ft 51% more
Horsepower, Peak-to-peak 248.5 hp
@2800 rpm
321.6 hp
@2400 rpm
+73.1 hp 29% more
Torque, Peak-to-peak 502.0 lb-ft
@1800 rpm
745.4 lb-ft
@2000 rpm
+243.4 lb-ft 48% more
Acceleration, time:
1/8 mile
11.78 sec 10.59 sec -1.19 sec 10% quicker
Acceleration, time:
1/4 mile
17.70 sec 16.13 sec -1.57 sec 9% quicker
Acceleration, speed:
1/4 mile
82.2 mph 88.9 mph +6.7 mph 8% faster
Acceleration: 1/4 mile, Trucklengths over stock* - - 9.0
Trucklengths
-
Acceleration, time:
0-60 mph
9.76 sec 7.81 sec -1.95 sec 20% quicker
Compatible trucks
  • Cummins 2005-2007
  • Cummins 2003-2004
Shipping info

Please refer to our Shipping policy. As a general rule, we ship out all orders in 24-72 hours using services like Purolator and other, and always provide you with a tracking number.

Disclaimer & warranty

Please refer to our Disclaimer and Warranty pages.

Planning a larger purchase? Feel free to reach out to discuss a possible discount.

If you have any questions or need help with your order, you’re always welcome to contact us directly.

Contact page link

Recommended products

Grand opening giveaway is ON 🔥

$1000 CAD and an S&B intake up for grabs! Be one of the first 10 to spend $1,000 CAD in a single order and you’re entered to win $1,000 back. For all orders: leave us a review by March 31 for a shot at an S&B intake. Intake draw happens April 14.

More details here

You may also like...

Diesel tuning services for your truck

From custom tuning to in-shop and mobile installs, every service is handled personally to make your truck run better and more reliably.