Quadzilla Programmers, Tuners & Downloaders

QUADZILLA STEALTH 2 TUNER FOR CHEVY/GMC GAS ENGINE TRUCKS & SUVS Although Quadzilla specializes in tuning diesel engines, we just could not pass up the opportunity to use our famous Stealth Tuner hardware to tune the GM gas engine lineup. This bulletproof tuner is the fastest loading tuner on the...

QUADZILLA STEALTH 2 TUNER FOR LB7, LLY & LBZ 6.6L CHEVY/GMC DURAMAX The Quadzilla Stealth Tuner was always the ultimate handheld programmer for the Duramax, but now we've made it even better!! We have now combined all our tuners into 2 choices, to give you the most options ever available in a han...

QUADZILLA STEALTH 2 TUNER FOR THE 2007.5 - 2009 CHEVY/GMC 6.6L DURAMAX LMM The Quadzilla Stealth 2 Tuner is the ultimate handheld tuner for the Duramax. Now Quadzilla is proud to announce the newest Stealth 2 Tuner, for the Duramax LMM engine!! While being extremely well-known for the being the m...