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Today's Deal Tuner Dt1150010004029 Street Tune Only For Efi Live Spade | 2012 Gm Silverado/sierra 2500hd/3500hd 6.6l Duramax Lml Now 55% Cheaper [VCEjayAx]

$60.99 $195.99 -69%

Street Tune for 2012 GM Silverado/Sierra 6.6L Duramax LML The Tuner DT1150010004029 Street Tune is specifically designed for the 2012 GM Silverado/Sierra 2500HD/3500HD equipped with a 6.6L Duramax LML engine. This custom tune offers a perfect blend o

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Today's Deal Tuner Dt1150010004029 Street Tune Only For Efi Live Spade | 2012 Gm Silverado/sierra 2500hd/3500hd 6.6l Duramax Lml Now 55% Cheaper [VCEjayAx]

Street Tune for 2012 GM Silverado/Sierra 6.6L Duramax LML

The Tuner DT1150010004029 Street Tune is specifically designed for the 2012 GM Silverado/Sierra 2500HD/3500HD equipped with a 6.6L Duramax LML engine. This custom tune offers a perfect blend of performance and reliability, ensuring that your truck delivers improved horsepower and torque without compromising on emissions compliance. The tune is 49 State Legal, allowing you to enjoy the enhanced performance without any legal concerns.

Enhanced Performance and Driveability

With the Tuner DT1150010004029 Street Tune, you can expect a significant boost in power and torque. The tune provides an additional +110 RWHP and +198 ft-lbs of torque, resulting in a more responsive and lively driving experience. The throttle pedal response is smooth and precise, allowing for a superior driveability. This custom tune also retains the factory turbo-braking feature, ensuring optimal performance and safety. The improved acceleration makes your truck feel lighter and more agile, enhancing the overall driving pleasure.

Custom Tuning and Compatibility

DuramaxTuner.com offers fully customized tuning with more than 100+ calibration changes from stock, ensuring that your truck performs at its best. This custom tune requires the SPADE/EFI Live Autocal v3 for easy installation and use. The SPADE is a simple, handheld OBD flashing hardware that allows for quick and hassle-free updates. The system also includes a scan tool for logging engine data, aiding in troubleshooting and diagnostics. For those who regularly tow heavy loads, DuramaxTuner.com also offers the Switch on the Fly tuning, which includes Light Tow and Heavy Tow tunes to further enhance your truck's performance and reliability.

What Our Customers Say

January 18, 2026

Absolutely no complaints!

It's a robust item that feels built to last.

- Tristan W..

January 18, 2026

Absolutely no complaints!

It's a very well-made and reliable maker.

- Jream B..

January 18, 2026

Absolutely no complaints!

A truly remarkable level of precision in its construction.

- Epsilon_User_X.

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