Buy Factory Direct: 800-601-8072
’03-07 Dodge 5.9L Cummins
The Ultimate Diesel Tuner for Racing & Sport
Optimum fuel tuning for awesome power (+126 hp, +290 lb-ft), built-in safety and adjust-on-the-fly power, plus temperature limiting control.
Gains Up To:+126 hp/+290 lb-ft
Six-Gun® Diesel Tuner & Speed-Loader®
Calibrated for racing and 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 timing and fuel pressure; and has exclusive AutoRate™ and ActiveSafety® engine and transmission safeguards.
When you team up Six-Gun with Speed-Loader, you get temperature-limiting control that safeguards your engine. (Pyrometer gauge highly recommended.) What's more, your best gains will be even better: +126 hp and +290 lb-ft at the rear wheels.
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.
Note: Banks Horsepower and Torque tests performed with recommended airflow improvements
| Six-Gun, Level 6 with Speed-Loader |
Stock | Banks | Improvement | Results |
|---|---|---|---|---|
| Horsepower, Best gain | 160.9 hp @2400 rpm |
286.7 hp @2400 rpm |
+125.8 hp | 78% more |
| Torque, Best gain | 353.3 lb-ft @2000 rpm |
643.7 lb-ft @2000 rpm |
+290.4 lb-ft | 82% more |
| Horsepower, Peak-to-peak | 182.8 hp @2800 rpm |
286.7 hp @2400 rpm |
+103.9 hp | 57% more |
| Torque, Peak-to-peak | 358.3 lb-ft @2600 rpm |
643.7 lb-ft @2000 rpm |
+285.4 lb-ft | 80% more |
| Acceleration, time: 1⁄8 mile |
13.92 secs | 11.30 secs | -2.62 secs | 19% quicker |
| Acceleration, time: 1⁄4 mile |
20.86 secs | 17.38 secs | -3.48 secs | 17% quicker |
| Acceleration, speed: 1⁄4 mile |
70.4 mph | 81.2 mph | +10.8 mph | 15% faster |
| Acceleration: 1⁄4 mile, Trucklengths over stock* | - | - | 16.8 Trucklengths |
- |
| Acceleration, time: 0-60 mph |
15.04 secs | 9.25 secs | -5.79 secs | 38% quicker |
| *(1 trucklength = 20 ft) | ||||
| 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.
Note: Banks Horsepower and Torque tests performed with recommended airflow improvements
| Six-Gun, Level 6 with Speed-Loader |
Stock | Banks | Improvement | Results |
|---|---|---|---|---|
| Horsepower, Best gain | 207.6 hp @2400 rpm |
323.2 hp @2400 rpm |
+115.6 hp | 56% more |
| Torque, Best gain | 455.8 lb-ft @2000 rpm |
725.4 lb-ft @2000 rpm |
+269.6 lb-ft | 59% more |
| Horsepower, Peak-to-peak | 235.8 hp @2800 rpm |
323.2 hp @2400 rpm |
+87.4 hp |
37% more |
| Torque, Peak-to-peak | 462.2 lb-ft @2600 rpm |
725.4 lb-ft @2000 rpm |
+263.2 lb-ft | 57% more |
| Acceleration, time: 1⁄8 mile |
11.74 sec | 10.69 sec | -1.05 sec | 9% quicker |
| Acceleration, time: 1⁄4 mile |
17.82 sec | 16.19 sec | -1.63 sec | 9% quicker |
| Acceleration, speed: 1⁄4 mile |
80.6 mph | 90.2 mph | +9.6 mph | 12% faster |
| Acceleration: 1⁄4 mile, Trucklengths over stock* | - | - | 9.1 Trucklengths |
- |
| Acceleration, time: 0-60 mph |
10.18 sec | 8.00 sec | -2.18 sec | 21% quicker |
| *(1 trucklength = 20 ft) | ||||
| 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.
Note: Banks Horsepower and Torque tests performed with recommended airflow improvements
| Six-Gun, Level 6 with Speed-Loader |
Stock | Banks | Improvement | Results |
|---|---|---|---|---|
| Horsepower, Best gain | 223.0 hp @2400 rpm |
334.8 hp @2400 rpm |
+111.8 hp | 50% more |
| Torque, Best gain | 493.2 lb-ft @2000 rpm |
751.8 lb-ft @2000 rpm |
+258.6 lb-ft | 52% more |
| Horsepower, Peak-to-peak | 248.5 hp @2800 rpm |
334.8 hp @2400 rpm |
+86.3 hp | 35% more |
| Torque, Peak-to-peak | 502.0 lb-ft @1800 rpm |
751.8 lb-ft @2000 rpm |
+249.8 lb-ft | 50% more |
| Acceleration, time: 1⁄8 mile |
11.78 secs | 10.53 secs | -1.25 secs | 11% quicker |
| Acceleration, time: 1⁄4 mile |
17.70 secs | 16.00 secs | -1.70 secs | 10% quicker |
| Acceleration, speed: 1⁄4 mile |
82.2 mph | 91.5 mph | +9.3 mph | 11% faster |
| Acceleration: 1⁄4 mile, Trucklengths over stock* | - | - | 9.7 Trucklengths |
- |
| Acceleration, time: 0-60 mph |
9.76 secs | 7.68 secs | -2.08 secs | 21% quicker |
| *(1 trucklength = 20 ft) | ||||
| 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 |
| *(1 trucklength = 20 ft) | ||||
System Includes:
| Application | Year Range | Part # |
|---|---|---|
| Six-Gun diesel tuner with selector Dodge 5.9L, All |
2003-05 | 61022 |
| Six-Gun diesel tuner | Selector Dodge 5.9L, All |
2006-07 | 63797 |
| Pyrometer & boost gauge assembly, electronic 01-06 Chevy, 03-06 Dodge, 03-06 Ford |
2001-06 | 64507 |
Owners Manual(s)
| Six-Gun Diesel Tuner w/ optional Speed-Loader Module ('04-05; 325 HP) (Part #96464) |  Download |
| Six-Gun Diesel Tuner w/ optional Speed-Loader Module ('03-04; 235, 250, 305 HP) (Part #96448) | Download |
Accolades
“You have the comforting feeling that Banks is doing everything right.”
— Car & Driver