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Essential Banks 01-04 Chevy/gmc 2500/3500 6.6l Lb7 Six-gun Diesel Tuner W/ Idash-1.8 Perfect For Gifting [hIEsPG5Y]

$77.99 $249.99 -69%

Optimum fuel tuning for awesome power, built-in safety and adjust-on-the-fly power, plus flexible touch-screen vehicle command center. Calibrated for sport, Six-Gun delivers pavement-shredding best gains of +127 hp and +345 lb-ft at the rear wheels.

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Optimum fuel tuning for awesome power, built-in safety and adjust-on-the-fly power, plus flexible touch-screen vehicle command center. Calibrated for sport, Six-Gun delivers pavement-shredding best gains of +127 hp and +345 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. Banks iDash 1.8 Super Gauge 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. 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 airflow components to build a complete engineered power system. For best Six-Gun Tuner performance, Banks always recommends airflow improvements.
Six-Gun Diesel Tuner
Six-Gun delivers pavement-shredding power. Has 6 change-on-the-fly power levels and is Stacked for Power. Enhanced vehicle monitoring with iDash SuperGauge. Comes standard with exclusive AutoRate and ActiveSafety engine and transmission safeguards.

Fitment:
2001 Chevrolet Silverado 2500 HD Base
2001 Chevrolet Silverado 2500 HD LS
2001 Chevrolet Silverado 2500 HD LT
2001 Chevrolet Silverado 3500 Base
2001 Chevrolet Silverado 3500 LS
2001 Chevrolet Silverado 3500 LT
2001 GMC Sierra 2500 HD SL
2001 GMC Sierra 2500 HD SLE
2001 GMC Sierra 2500 HD SLT
2001 GMC Sierra 3500 SL
2001 GMC Sierra 3500 SLE
2001 GMC Sierra 3500 SLT
2002 Chevrolet Silverado 2500 HD Base
2002 Chevrolet Silverado 2500 HD LS
2002 Chevrolet Silverado 2500 HD LT
2002 Chevrolet Silverado 3500 Base
2002 Chevrolet Silverado 3500 LS
2002 Chevrolet Silverado 3500 LT
2002 GMC Sierra 2500 HD Base
2002 GMC Sierra 2500 HD SL
2002 GMC Sierra 2500 HD SLE
2002 GMC Sierra 2500 HD SLT
2002 GMC Sierra 3500 Base
2002 GMC Sierra 3500 SL
2002 GMC Sierra 3500 SLE
2002 GMC Sierra 3500 SLT
2003 Chevrolet Silverado 2500 HD Base
2003 Chevrolet Silverado 2500 HD LS
2003 Chevrolet Silverado 2500 HD LT
2003 Chevrolet Silverado 3500 Base
2003 Chevrolet Silverado 3500 LS
2003 Chevrolet Silverado 3500 LT
2003 GMC Sierra 2500 HD Base
2003 GMC Sierra 2500 HD SLE
2003 GMC Sierra 2500 HD SLT
2003 GMC Sierra 2500 HD WT
2003 GMC Sierra 3500 Base
2003 GMC Sierra 3500 SLE
2003 GMC Sierra 3500 SLT
2004 Chevrolet Silverado 2500 HD Base
2004 Chevrolet Silverado 2500 HD LS
2004 Chevrolet Silverado 2500 HD LT
2004 Chevrolet Silverado 2500 HD WT
2004 Chevrolet Silverado 3500 Base
2004 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2004 GMC Sierra 2500 HD Base
2004 GMC Sierra 2500 HD SLE
2004 GMC Sierra 2500 HD SLT
2004 GMC Sierra 2500 HD WT
2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 SLE
2004 GMC Sierra 3500 SLT
2004 GMC Sierra 3500 WT

What Our Customers Say

December 26, 2025

Absolutely no complaints!

This is a very nice item.

- Lila Q..

December 26, 2025

Absolutely no complaints!

It’s a very well-made piece of kit.

- Parker N..

December 26, 2025

Absolutely no complaints!

A very fine product. I love it.

- Matthew J..

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