H&S MInI Maxx Complete 2025 Comparison | Diesel Tuner Guide

If you're searching for the best diesel tuner for DPF delete, you've likely encountered the legendary H&S Mini Maxx series. As a diesel performance enthusiast, choosing between the Mini Maxx V1 and V2 can be challenging. This comprehensive guide breaks down every aspect of both tuners to help you make an informed decision.

Both the H&S Mini Maxx V1 and Mini Maxx V2 are specifically designed for off-road performance tuning and emissions system deletion. Whether you drive a Ford Powerstroke, Dodge Cummins or Chevy Duramax, understanding the differences between these tuners is crucial for maximizing your truck's potential.

⚠️ Important Legal Notice: Off-Road Use Only

All H&S Mini Maxx tuners are designed for off-road and race use only. They are intended for deleted trucks and will not support emissions systems. Modifying emissions equipment may violate federal and local laws. Always ensure compliance with regulations in your area.

Product Comparison

Mini Maxx V1 Tuner

The Industry Standard for Diesel Performance

PROVEN RELIABILITY

The H&S Mini Maxx V1 revolutionized diesel tuning when it first launched. This tuner set the standard for what a comprehensive diesel performance tool should be.

Key Features:

  • High-resolution display with intuitive navigation
  • Shift-on-the-fly tuning for instant power adjustments
  • Complete emissions deletion for DPF, DEF, and EGR systems
  • Diagnostic capabilities to read and clear trouble codes
  • Real-time monitoring of 20+ engine parameters
  • Speedometer calibration for tire and gear changes
  • Top speed limiter adjustment and removal

Performance Gains:

Truck Model & Engine Maximum HP Increase
2007.5-2009 6.7L Cummins Up to 175 HP
2008-2010 6.4L Powerstroke Up to 300 HP
2007-2010 6.6L LMM Duramax Up to 175 HP
Buy Mini Maxx V1 - $749

Mini Maxx V2 Tuner

Next-Generation Diesel Performance

BEST SELLER

The H&S Mini Maxx V2 represents the evolution of diesel tuning technology. Building on the success of the V1, this tuner offers enhanced compatibility and improved user interface.

Enhanced Features:

  • Redesigned interface with improved navigation
  • Extended vehicle compatibility including newer models
  • Advanced monitoring with more accurate sensor readings
  • Streamlined updates with easier internet connectivity
  • Enhanced diagnostic functions with expanded code coverage
  • Fuel system flexibility including ULSD optimization
  • Custom tuning support for specialized applications

Extended Compatibility:

Vehicle Platform Years Supported
6.7L Powerstroke (Ford) 2011-2019
6.7L Cummins (RAM) 2007.5-2021
6.6L Duramax (Chevy/GMC) 2007.5-2016
Buy Mini Maxx V2 - $899

Mini Maxx V1 vs V2: Detailed Feature Comparison

Understanding the specific differences between the Mini Maxx V1 and V2 is essential for choosing the right tuner for your diesel truck. This comparison table highlights the key distinctions:

Feature Category Mini Maxx V1 Mini Maxx V2
Display & Interface Classic LCD screen with basic toggle controls Updated, more modern and intuitive user interface
Performance Tuning Proven power levels up to 300 HP increase (6.4L Powerstroke) Optimized tuning algorithms with smoother power delivery
Vehicle Compatibility Best for older models:
Ford 6.0L Powerstroke (2003-2007)
Ford 6.4L Powerstroke (2008-2010)
RAM Cummins 5.9L (2006-2007) & 6.7L (2007.5-2012)
GM Duramax LMM (2007.5-2010) & LML (2011-2014)
Best for newer models:
Ford 6.7L Powerstroke (2011-2019)
RAM Cummins 6.7L (2013-2021)
GM Duramax (2015-2016)
Update Process Basic SD card and USB updates Wireless updates with expanded support
Monitoring Capabilities 20+ digital gauges for essential parameters Enhanced monitoring with improved accuracy and additional parameters
Special Features Standard features like high idle, light control, speedometer calibration, and top speed limiter removal Expanded customization options and special function
Delete Capabilities DPF and EGR delete DPF, EGR, DEF, and SCR delete

Complete Vehicle Compatibility

Both Mini Maxx tuners support a wide range of diesel trucks, but there are important compatibility differences:

Vehicle Model & Engine Model Years V1 Support V2 Support C&C Support SOTF
Duramax 6.6L Sierra/Silverado 2007.5-2010
Duramax 6.6L Sierra/Silverado 2011-2016 Limited No
Powerstroke 6.4L (F250-F550) 2008-2010
Powerstroke 6.7L (F250-F350) 2011-2016 No No
Powerstroke 6.7L (F250-F350) 2017-2019 No No No
Cummins 6.7L (RAM 2500-5500) 2007.5-2009
Cummins 6.7L (RAM 2500-3500) 2010-2012 No
Cummins 6.7L (RAM 2500-5500) 2013-2021 No

Key: C&C = Cab & Chassis | SOTF = Shift On The Fly (adjust power levels without re-flashing)

Installation Note: 2018-2021 RAM trucks require a bypass cable for installation with the V2.

Performance Consideration: Stock pyrometer will not function with either Mini Maxx version. Install a BD Pyrometer kit to monitor exhaust gas temperatures.

Frequently Asked Questions

What's the main difference between Mini Maxx V1 and V2?
The Mini Maxx V2 offers extended vehicle compatibility (supporting newer models up to 2021), improved user interface, and enhanced monitoring capabilities compared to the V1. The V1 is better suited for older diesel trucks, while the V2 covers a broader range of model years.
Can I use a Mini Maxx tuner for DPF delete on my daily driver?
While technically possible, Mini Maxx tuners are designed for off-road and race use only. Removing emissions equipment violates EPA regulations and may make your vehicle illegal for street use in many areas. Always check local laws before modifying emissions systems.
Which Mini Maxx version works with 2018 RAM 2500 Cummins?
The Mini Maxx V2 supports 2018 RAM 2500 Cummins trucks, but requires a bypass cable for installation. The V1 does not support 2018+ model years.
How much horsepower can I expect from a Mini Maxx tuner?
Power gains vary by application. The 6.4L Powerstroke can see up to 300 HP increase, while most other applications range from 150-175 HP gains. Actual results depend on your specific truck, supporting modifications, and tuning level selected.
Do I need any additional parts for Mini Maxx installation?
The Mini Maxx comes complete with everything needed for installation. However, if you plan to monitor exhaust gas temperatures, you'll need to install a separate BD Pyrometer kit as the stock pyro won't function with the Mini Maxx.
Can I update my Mini Maxx tuner myself?
Yes, both V1 and V2 models support user updates via the included SD card and USB cable. The V2 features a more streamlined update process with enhanced internet connectivity options.

Ready to Unleash Your Diesel's True Potential?

Whether you choose the proven reliability of the Mini Maxx V1 or the advanced capabilities of the V2, you're investing in industry-leading diesel performance technology. Experience increased horsepower, improved torque and enhanced fuel efficiency with the tuner that revolutionized the diesel industry.

Shop All Mini Maxx Tuner Now

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