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H&S 109003 2011-2014 GM Duramax 6.6L LML Mini Maxx Street/Race Tuner

Our Price: Starting at: $749.99

750 reward points

Model: HAS109003
Shipping Weight: 2lbs
Manufactured by: H&S Performance

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Application: 2011-2014 GM Duramax 6.6L LML


This high performance product is intended SOLELY for closed-course racing use and is not street legal in ANY state. This product cannot be used on any vehicles registered or certified for highway use. Please check your local, state, and federal laws before purchasing!

This product MUST be run with race exhaust! Do not leave the DPF on the vehicle if running this product!

Please note that the following descriptions are generic. Some options may or may not be available based on your vehicle's Make & Model.


Mini-Maxx Race Tuner
Fits 2007.5-2009 Pickup AND Cab & Chassis Models!!


  • 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 60-175HP
  • Approximate size: 3.5" x 2" (2" x 1.5" color screen) Black Maxx / Mini Maxx Size Comparison
  • Speedometer recalibration for use of non-stock size tires or gearing
  • Enable / Disable factory "special features". (See below)
  • 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. Latest software can be found HERE
  • Digital gauges to monitor 20+ parameters
  • Allows for use of aftermarket turbo kits with no trouble codes

Special Features

* IDLE UP - Enables / Disables the use of the high idle feature. Follow your Chrysler owners manual to use this feature. It will use the cruise control buttons to control idle RPM. Manual transmissions will require additional wiring.

* AUTO DOOR LOCK - Enables / Disables the automatic door locking when the vehicle reaches a certain speed.

* HEAD LAMP DELAY - Enables / Disables the head lamp delay time after exiting a vehicle.

* HORN CHIRP ON LOCK - Enables / Disables the horn chirp when locking the vehicle with keyless entry system.

* OPTICAL CHIRP ON LOCK - Enables / Disables the parking lights flashing when locking and unlocking the vehicle with keyless entry.

* UNLOCK DRIVER DOOR - Enables / Disables unlocking the driver door only when pushing the unlock button on the key-fob. When enabledyour vehicle will require a double push of the unlock button to unlock ALL doors.

* SEAT BELT MINDER - Enable / Disable the chime and dash light for the drivers seat belt system.

* ACCESSORY DELAY - Enable / Disable the time delay your radio and accessory system will stay on after they key has been turned off and the door remains closed.

* FOGS W/HIGHS - Enable / Disable the fogs staying on when the high beams are being used.

* DAYTIME RUNNING LIGHTS - Enable / Disable daytime running lights.

Power Levels

  • Stock HP w/ stock exhaust
  • Stock HP w/ race exhaust
  • 60 HP w/ race exhaust
  • 120 HP w/ race exhaust
  • 175 HP w/ race exhaust

Applications and Features:

  • 2007 - 2012 Dodge 6.7 Cummins Pickup AND Cab & Chassis
  • 2007 - 2012 Dodge 68RFE Transmission
  • 2007 - 2012 Duramax 6.6 LMM
  • 2008 - 2010 Ford 6.4 Powerstroke (Engine AND Transmission included)
  • 2011 - Up Ford 6.7L Powerstroke (Engine)
  • 2003 - 2007 Ford 6.0 Powerstroke

    FloPro Delete Pipe (11112 & 41112) :

    FloPro 4" & 5" CAT Back w/Muffler Delete (860 & 660):

    FloPro 4" & 5" Downpipe Back w/Muffler (864/SS864 & 664/SS664):

    FloPro 5" Downpipe Back DUALS No Muffler (764):

    Deviant EGR Blocker Plates (DRP75111):

    Dfuser EGR Delete Kit w/Passenger Side Up-Pipe (DFR-1001184):

    Deviant EGR Delete Kit & EGR Delete Kit w/Passenger Side Up-Pipe (DRP75110 & DRP75120):

    Intake - S&B 75-5058/D & 75-5065/D

    Custom Pillar Mount 2007.5-2011 (with or without speaker):

    Mirror Mount with HDMI Extension:

    Comes with a Suction Cup Mount (see picture below). Dash Mount Available in Options (see above)

    FREE GROUND SHIPPING in the Lower 48 States Only

    Those who have purchased this product through us can now use a new toll free tech line at 1-844-326-3092 that will be operational during regular business hours of 8am-5pm (MTN) Monday-Friday.

    Full tech support will be offered, however, we ask your assistance in warranty returns. Customers can call tech directly. Should warranty repair / replace be needed, we will require all RMA's to be handled by the selling dealer. RMA units will be processed as quickly as possible and returned through the same channel as received.

    Liability Waiver form must be signed and received before this product can be shipped! See below to download the form, which may be faxed to 512-650-3663 or emailed to


    Installation Instructions:

  • FLO~PRO Exhaust System

  • H&S 109003 2011-2014 GM Duramax 6.6L LML Mini Maxx Street/Race Tuner
    H&S 109003 2011-2014 GM Duramax 6.6L LML Mini Maxx Street/Race Tuner

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