ATS Diesel Performance

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Home > GM > LLY Duramax

The ultimate in power adjustability

When you want power, this is where you start
The ATS E-Power is an adjustable tuner that is compatible with Ford, Dodge, and GM diesel trucks, allowing you to dial in the amount of power or driving characteristics that you are looking for. The benefits to adding a handheld tuner are:
  • Proven tunes that are known to perform well
  • Adjustability to produce desired characteristics
  • Gains in Power
  • Gains in Fuel Economy
  • Improve towing ability and reduce "gear hunting" when pulling up a grade
  • Improved throttle response and better overall driveability
The E-Power has thousands of hours perfecting the tunes so that they can produce unmatched quality, performance, and satisfaction to your right foot.

Learn more about our products by calling 866.209.3695, or pick your truck below!

DSP5 Switch, 2004.5-05 Duramax LLY


6035004290
$55.00
5 Position Switch for EFI Live tuning, DSP5 Switch only, For 2004.5-05 Duramax, LLY.

DURAMAXTuner.com SPADE Series Tuner, ACE


6035034248
$849.00
DURAMAXTuner.com SPADE Series Tuner, ACE.

The Ace is reserved for custom combinations. The Ace is set up for any combination of injectors, turbochargers, and pumps. Satisfaction guaranteed.

DURAMAXTuner.com SPADE Series Tuner, JACK


6035014248
$749.00
DURAMAXTuner.com SPADE Series Tuner, JACK.

The JACK tunes are aimed at your stock transmission and stock turbo. Tunes range from 320rwhp to 440rwhp

DURAMAXTuner.com SPADE Series Tuner, KING


6035024248
$799.00
DURAMAXTuner.com SPADE Series Tuner, KING.

The King is designed for trucks with built transmissions and basic supporting modifications. The King is designed to max out your stock turbo and stock injectors. Power levels range from 320rwhp to 530+rwhp
* Core and Crate charges are charged IN ADDITION TO PRODUCT PRICES, and are refundable when USABLE core product and crate are returned to ATS Diesel. All core charges are refunded by check, mailed to the billing address on file.
ATS Diesel Performance ("ATS") sells replacement parts designed to improve a diesel engine's efficiency and reliability. Some states, specifically California, have strict regulations applicable to parts that you may legally use on your diesel truck. Be sure to review applicable municipal, state, and federal rules before you purchase and install an ATS product to make sure you are in compliance.
ATS also designs and manufactures certain parts for off-road and race use only. These parts are not intended for sale in any state, including California, where the items do not comply with local rules.