Looking to unlock the full potential of your 2011-2016 LML Duramax? The Fish Tuning FTDSP5LML DSP5 Switch is the essential tool for any truck owner seeking dynamic control over their engine's performance. This innovative five-position switch empowers you to seamlessly change tunes on the fly, allowing you to adapt your truck's behavior to any driving condition or task without ever pulling over. Imagine effortlessly switching from a fuel-efficient economy tune for your daily commute to a powerful tow tune for hauling heavy loads, all with the flick of a switch.

• On-the-Fly Tuning: Instantly switch between five custom tunes, optimized for various driving scenarios.

• Seamless Integration: Designed specifically for 2011-2016 LML Duramax models, ensuring perfect compatibility.

• Optimized Performance: When paired with our DSP5 tuning (or your existing EFILive DSP5 tunes), this switch maximizes your engine's efficiency, power, and overall performance.

• Convenience and Control: Gain unprecedented control over your truck's output, adapting to your needs in real time.

Don't settle for a one-size-fits-all approach to your Duramax's performance. The Fish Tuning FTDSP5LML DSP5 Switch, combined with EFILive DSP5 tunes, provides an unparalleled level of flexibility and power, transforming your driving experience. Invest in smarter performance and unlock the true versatility of your LML Duramax today!