2006-2007 GM Duramax 6.6L LBZ Chips, Modules & Tuners

Aftermarket tuning offers some of the best bang-for-your-buck performance gains for your 6.6L Duramax LBZ, especially on truck's sporting various performance mods. These premium performance tuners help unlock more horsepower, torque, and throttle response by making adjustments within your truck's ECM. Additionally, these tuners can make your GM Sierra/Silverado 2500/3500 feel like a whole new rig by correcting your truck for an increase in tire size, change in gear ratio, or a brand new exhaust system that requires tuning. Many of these devices even work overtime as effective vehicle monitors so you can better keep tabs on your truck's critical running information to spot problems before they become disasters. Keep tabs on your engine parameters and experience a more powerful ride with any of the high-quality tuners we offer for the GM 6.6L Duramax LBZ. GM Duramax Fitments: 2006, 2007 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.