You know your diesel has more power
– let the Mini Maxx unleash it.
Vehicle Applications USA Software ONLY!
Select application to view vehicle specific features
The Mini Maxx Street tuner is the next generation of diesel downloaders from H&S that combines high performance tuning with a complete set of digital gauges. With the flexibility of shift-on-the-fly tuning, plus the safety of automatic de-fueling, the Mini Maxx Street tuner has you covered.
*All Mini Maxx Street tuners comes pre-loaded with 4 power levels that can be changed at any time, on the fly. Whether you simply want some extra power to pass when towing, or want an all-out high performance tune, the Mini Maxx Street tuner has what you need!
*Power levels are not currently shift-on-the-fly for the 2011 – 2014 6.6L LML
*This product is not legal in the state of California