Tuner 1101A021 DSP5 Switch | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

DuramaxTuner DSP5 Switch Features: - Customized ECM Operating System - Allows you to swap tunes On-The-Fly - 5-Position Dial - Straightforward install Swap Tunes On-The-Fly with DuramaxTuner Selecting the appropriate tuning solutions for your 2004.5-2005 GM 6.6L Duramax presents a challenge due to the abundance of excellent products available. However, amidst this array of choices, none can rival the performance enhancements and versatility offered by the DuramaxTuner DSP5 Switch designed for the 2004.5-2010 GM 6.6L Duramax. This product is intended for those already equipped with DSP5 tuning, allowing you to swap between 5 different preset tunes for your various driving applications. The five position dial makes it easy to know which tune your selecting, giving you immediate adjustments each time you're behind the wheel. Installation is made straightforward as DuramaxTuner includes all of the necessary instructions for installation. Vehicle Fitment: 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM Kit Includes: - Switch with two wires - 5-Position Knob - Allen Key - Conduit - Face-plate