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ATTENTION: Quadzilla has gone out of business. Please view all of our brands of diesel truck programmers or call 866-737-4966 with any questions.
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Quadzilla Stealth 2

Quadzilla stealth 2 tuner
on sale
  • DISCONTINUED - QUADZILLA IS OUT OF BUSINESS
Stealth 2 Duramax Tuner
2007-2012 Duramax Diesel
Installation Guide

The Quadzilla Stealth Tuner is the ultimate handheld programmer for the Duramax. While being extremely well-known for being the most powerful handheld tuner ever produced, it also offers many other features that are important to you.
Precision Tuning
At the heart of the Stealth Tuner is many long hours of precision tuning combined with thousands of miles of real world testing. We combine the use of fuel injection pulse width and injection timing to create the ultimate horsepower and torque curves. The precision tuned timing maps are one of the reasons our tuner has the lowest exhaust temperatures on the market. Perhaps the best part of the Stealth Tuner is the mileage gain that you will see. We all know that a more efficient engine will gain fuel economy and we know exactly where the stock parameters are lacking. Depending on your driving style, you can expect to see a 1-4 mpg increase!

2007.5-2010 Duramax Power Facts
The Quadzilla Stealth Tuner is packed full of power and features for your 2007-2008 LMM Duramax. Among these features are power increases up to 110hp and 250ft lbs of torque. Also included in this awesome tuner are the ability to modify your speedometer to compensate for larger tires*, remove your top speed limiter*, retrain your transmission, and read and erase engine and transmission fault codes. All tuners also have the ability to use these user-defined categories without installing an engine tune.

Features:

  • Read and Erase Diagnostic Codes
  • Correct Speedometer for different tire sizes
  • Removes Top Speed Limiter
  • Raises the rev limiter up to 4400rpms!!
  • Allows for Transmission Retraining
  • Fastest loading tuner on the market
  • Simple in cab installation
  • Increases fuel economy
Warranty: Combine all of this with the best reliability, and you can't go wrong. We offer a 1 yr warranty in the tuner and a LIFETIME warranty on the software! No one else will match this. Quadzilla also offers free updates and revision to the original owner FOREVER.

Installation Time: 30 minutes
Level of Difficulty: Easy, complete installation and programming manual included
.
  • authorized Quadzilla dealer We are a authorized dealer of Quadzilla which means fast shipping and full warranty when you buy at Thoroughbred Diesel. All Quadzilla products have AMP pricing which means nobody is allowed to sale at prices below what you se at Thoroughbred Diesel. If you buy for a lower price your product will not be covered under any warranty.
Product Description Price Order
2011-2012 Duramax LML
Stealth Tuner
Part # S2TUNER-LML
$424.15
free shipping no handling
 
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Winchester, KY 40391
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