Quadzilla Stealth 2 Power Programmer

The Quadzilla Stealth 2 Power Programmer is the ultimate in handheld tuning technology

Available for both diesel and gas engines

Fastest downloader on the market

Remove top speed limiter and get true speed readings with oversized tires

Reset your transmission and get real time data read-outs

Add up to 135 hp, 300 ft. lbs. of torque, and increase fuel efficiency for diesel performance; gas engines will enjoy 40 hp and 45 ft. lbs. torque increases along with shifting improvements

USB updatable

1-Year Warranty

The best handheld tuner on the market, the Quadzilla Stealth 2 Power Programmer is a second-generation vehicle tuner that offers the upgrades you need to get the power you crave.

Custom-built to your particular Duramax or gas GM engine, this handheld tuner provides a host of performance upgrades. Diesel users will add up to 135 horsepower and 300 ft. lbs. of torque while also seeing fuel efficiency increases. The Quadzilla Stealth 2 Programmer also coaxes extra horsepower and torque out of gas engines and provides a variety of system adjustments. You can reset your transmission, get real time data, remove your top speed limiter, and get true speed readings with over-sized tires. Update your software regularly via the USB port and keep your engine's performance up-to-date and running at full power potential.

Take control of your engine with a Quadzilla Stealth II Power Programmer and get the power gains you need. Backed by a 1-Year Warranty.

Note: In California, this product is legal only for racing vehicles that will never be used on public highways.