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H&S Mini Maxx Race Tuner & 4" Downpipe Back | 2011-14 6.6L GM Duramax LML | With Muffler, No Bungs

Pricing: $1,315.00

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This H&S Performance package includes the Mini Maxx and 4" Downpipe Back With Muffler, No Bungs for 2011-2014 6.6L GM Duramax applications.

H&S Performance Mini Maxx

  • Removes the DPF, CAT, EGR, and DEF without throwing codes
  • 4 power levels - up to +150hp
  • Fits EC-CC/SB-LB without the 4-Bolt Flange

The Mini Maxx Race Tuner from H&S Performance features (4) power levels with maximum gains of +150HP and combines high performance tuning with digital monitoring for 2011-2014 6.6L Duramax applications.

Power Levels

  • Stock: 0HP
  • Mild: 50HP
  • Wild: 100HP
  • Hot: 150HP


  • 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
  • Approximate size: 3.5" x 2" (2" x 1.5" color screen)
  • 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
  • Power Levels Stock HP w/ stock exhaust

Flo~Pro 4" Downpipe Back With Muffler, No Bungs | 864

  • With Muffler, No Bungs
  • 100% Aluminized Kit
  • Deletes Diesel Particulate Filter
  • Eliminates Pyrometers & Air Lines
  • Increases Horsepower
  • Increases Torque
  • Increases Fuel Efficiency
  • 100% Satisfaction Guaranteed
  • Bolt-On kit w/ All Necessary Pieces

WARNING! These products are capable of disabling emissions equipment. If using DPF/EGR removed tuning, these high performance products are intended SOLELY for offroad use or closed-course racing use.


Shipping Information

  • Item Requires Shipping
  • 79.0 lbs.
  • W57.0000” x H17.0000” x L15.0000”
  • Free Shipping!