Calibrated for sport, Six-Gun delivers pavement-shredding power; 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. Enhanced vehicle monitoring, data-logging, and diagnostics with iDash DataMonster, SuperGauge or Switch.

Note:
Fits 2004.5-2005 Chevy/GMC 2500/3500 6.6L Duramax, LLY Only

2004 was a split year between LB7 and LLY engines. Check which engine you have. Locate the 8th digit of the VIN. 1 is LB7 and 2 is LLY

• Gain up to +102 hp/+275 lb-ft at rear wheels
• Destroys the competition, not your vehicle!
• ActiveSafety protects engine/powertrain
• 6 change-on-the-fly power levels
• 0-60 mph in 29% less distance!
• Enhanced vehicle monitoring
• Log up to 100 parameters
• Read and clear codes
• Loaded with Features
• Value Priced
• Easy Install

Optimum fuel tuning for awesome power, built-in safety and adjust-on-the-fly power, plus temperature limiting control w/optional Temp Limit Kit.

Tuning that doesn't kill the host vehicle.
Many tuners reduce fuel delivery as exhaust gas temps rise. But they ignore the powertrain! Banks finds the limits of the engine and powertrain, then adds mission-critical ActiveSafety safeguards to Six-Gun so it won’t exceed those limits. Every Banks Tuner comes standard with our exclusive AutoRate® and ActiveSafety® engine and transmission safeguards. Designed to protect your vehicle's drivetrain and keep your truck running strong. As a result, Banks Six-Gun destroys the competition, NOT your truck!

Proof of a higher power.
Stacked for Power® and calibrated for sport applications, Six-Gun is a performance junkie that adds +102 hp/+275 lb-ft. With its CleanTune® Technology and change-on-the-fly power, Six-Gun rockets you from 0-60 mph 21% quicker and 148 feet ahead of stock ... without adding soot!

Banks iDash 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. Date-log up to 100 parameters. Scan/define/clear vehicle diagnostic codes.

All gains measured at the rear wheels, with recommended airflow improvements.

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

Six-Gun, Level 6	Stock	Banks	Improvement	Results
Rear-wheel Horsepower: Best gain	229 hp @3200 rpm	331 hp @3200 rpm	+102 hp	45% more
Rear-wheel Torque: Best gain	445 lb-ft @2000 rpm	720 lb-ft @2000 rpm	+275 lb-ft	62% more
Rear-wheel Horsepower: Peak-to-peak	246 hp @3000 rpm	346 hp @3000 rpm	+100 hp	41% more
Rear-wheel Torque: Peak-to-peak	449 lb-ft @1800 rpm	720 lb-ft @2000 rpm	+271 lb-ft	60% more
Acceleration, time: 1/8 mile	11.49 secs	10.66 secs	-0.83 secs	7% quicker
Acceleration, speed: 1/8 mile	64.3 mph	73.3 mph	+9.0 mph	14% faster
Acceleration, time: 1/4 mile	17.53 secs	16.06 secs	-1.47 secs	8% quicker
Acceleration, speed: 1/4 mile	80.6 mph	91.2 mph	+10.6 mph	13% faster
Acceleration, time: 0-60 mph	10.18 secs	8.00 secs	-2.18 secs	21% quicker
Acceleration, distance: 0-60 mph	511 feet	363 feet	-148 feet	29% shorter

Test vehicle: 2004 Chevrolet Silverado 2500, crew cab, long bed, single rear wheel.

Engine: Duramax 6.6L LLY.
Transmission: Allison 5-speed automatic.

Horsepower and torque measured at rear wheels.

Engine differences in 2004 vehicles: Early 2004 vehicles LB7 engine (8th VIN digit - 1) Late 2004 vehicles LLY engine (8th VIN digit - 2)

Upgradeable options include Banks iDash and airflow components to build a complete engineered power system.

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Owners Manual, Six-Gun Tuner - 2001-05 Chevy 6.6L, All