
The Quadzilla Stealth 2 Tuner for the 2001 - 2005 Chevy/GMC LB7 & LLY Duramax diesel engine. Simply plug one of these units into the diagnostic port below the dash in your truck, answer the simple questions and unleash the beast! Power settings are available for 50, 70, 90, 110, and 135 added Rear Wheel Horsepower! This tuner does it all. Not only will it re-program the engine, it will adjust for tire size and gearing changes, remove the top end speed limiter (02-05 models), and read and erase diagnostic fault codes. If you want to return the truck to bone stock, this tuner allows you to do so, leaving no traces behind! Quadzilla Performance Technologies Inc. is the fastest growing electronic diesel performance manufacturer. Quadzilla is also one of the most technologically advanced companies in the market. While others are satisfied with their product, Quadzilla continues to push ahead and make new advances that will change the diesel electronics marketplace. Quadzilla not only strives to produce products that work better than anything else, it strives to produce products that continue to work. Reliability is something that has not been commonplace within the diesel industry, but that HAS changed. In 2004, Quadzilla spent an enormous amount of time and money doing research and development on new products as well as researching old products to find their weaknesses. Through all of this testing they have identified problems and ELIMINATED them. Every business dealing with such fast-moving technology will encounter problems. The difference between Quadzilla and its competitors is our ability to solve the problems before they happen. Just for piece of mind, you will be proud to know that these products are made 100% in the USA and are assembled by Americans! That is something that most electronics manufacturers cannot boast about. The Quadzilla Stealth 2 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. Features:- LB7 and LLY Tuners in a single unit with 1 price!
- Base Tuners offer an industry leading 5 performance tunes up to 135hp!
- 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

Precision TuningAt the heart of the Stealth 2 Tuner is many long hours of precision tuning combined with thousands of miles of real world testing. Quadzilla combines 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 this tuner has the lowest exhaust temperatures on the market. Perhaps the best part of the Stealth 2 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! PowerThe Quadzilla Stealth 2 Tuner is packed full of power and features for your 2001-2005 Duramax. Among these features are power increases up to 135hp and 250 ft lbs of torque on the 2001-2004 models and up to 110hp and 225 ft lbs of torque on the 2004.5-2005 models. 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. WarrantyCombine all of this with the best reliability, and you can't go wrong. They 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. We have the best price around for Quadzilla diesel performance systems! If you want your vehicle to have the highest horsepower and torque at the lowest price then your only choice is Quadzilla from Grimm Performance! You will see horsepower and torque increases! You will get better gas mileage! Independent tests prove it! Grimm Performance provides a 30 day money back guarantee! 
|