H&S Performance Black Maxx

H&S Performance’s Black Maxx race tuner is part of the next generation of diesel downloaders from H&S that offer everything a diesel owner could want, all in one high-tech unit. 

Black Maxx features include:

  • Comes preloaded with DPF Present and DPF Removed tuning
  • Allows removal of the DPF system and ALL related sensors (nothing needs to go into the race exhaust)
  • Precisely tune engine with HP increases of 0-250HP (dependent on application)
  • Approximate size:  5″ x 3″  (2.75″ x 2.25″ color screen) Compare to Mini Maxx & XRT Pro
  • Enable / Disable factory “special features”.  High idle, fogs w/highs, seat belt chimes, daytime running lights, etc. (6.7L Cummins).  More info HERE
  • Speedometer recalibration for use of non-stock size tires or gearing
  • Automatic safety backdown.  Controlled by EGT, Boost, Trans. Temp, and Coolant Temp
  • Remove / Adjust top speed limiter
  • Allows removal of the entire EGR system including cooler with no trouble codes
  • Turn off EGR without removing ANY parts
  • Read / Clear Diagnostic Trouble Codes
  • Internet updateable w/included SD Memory Card and USB Cable
  • Digital gauges to monitor 20+ parameters
  • Custom Tunes are FREE to download.  Check the downloads section to see whats available for your product.
  • Allows for use of aftermarket turbo kits with no trouble codes (6.7L Cummins)
  • Transmission tuning included on the 6.4L Powerstroke
  • Transmission Tuning Available for the 6.7L Cummins HERE