The H&S Mini Maxx Tuner is one of today's most powerful diesel performance tuning tools. It allows truck owners to delete restrictive emissions components, increase horsepower and torque, and optimize fuel economy. Whether you drive a 6.0L Powerstroke or a 6.7L Cummins, choosing between the Mini Maxx V1 and the Mini Maxx V2 depends on your truck’s model year and specific tuning needs.

What Does the Mini Maxx Tuner Do?
The Mini Maxx tuner by H&S Performance modifies your diesel truck’s engine parameters to deliver better power and efficiency. It supports DPF, EGR, and DEF delete for off-road use, giving you a smoother ride with fewer restrictions. This tuning device is compatible with major diesel engines like:
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Ford Powerstroke 6.0L, 6.4L, 6.7L
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Dodge Ram Cummins 5.9L, 6.7L
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Chevy/GMC Duramax 6.6L
It's a go-to choice for drivers seeking a reliable and comprehensive Mini Maxx delete tuner solution.
Differences between Mini Maxx V1 and V2
Mini Maxx V1: classic and stable for older models
The Mini Maxx V1 version is classic, especially suitable for older diesel trucks, such as the Ford Powerstroke 6.0L (2003-2007) and 6.4L (2008-2010) models. The V1 is well known among diesel enthusiasts for its stability and reliability. This version supports adjustments for different driving conditions, ensuring ideal performance in other environments.
In addition, the Mini Maxx V1 also supports basic DPF and EGR deletion, effectively removing some of the emission components and unlocking more power output. Despite its simpler software interface and compatibility, the V1 is an excellent choice for older diesel trucks.

Mini Maxx V2: modernized and upgraded for newer models
The Mini Maxx V2 version offers more features and greater performance tuning capabilities than the V1. Not only does the V2 support more modern models, such as the Ram Cummins 6.7L (2013-2018) and the Chevrolet Duramax, but it also introduces newer software and a user interface that makes tuning more intuitive and easy to follow.
The V2 extends compatibility with more customizable tuning options, allowing owners to tailor vehicle performance to different needs precisely. Especially in modern diesel vehicles, the V2's DPF, EGR, and SCR deletion features are more advanced, providing more efficient performance optimization.

Key Features of H&S Mini Maxx Tuner (V1 and V2)
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Shift-on-the-Fly Tuning: Adjust power levels instantly while driving.
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Delete Capabilities: Supports DPF, EGR, DEF, and SCR removal for off-road use.
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Real-Time Monitoring: Monitor 20+ engine parameters live.
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Diagnostic Tools: Read and clear trouble codes with ease.
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Pre-loaded Tunes: These come with multiple tuning options for different driving needs.
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User-Friendly Interface: Easy-to-read display with simple navigation.

Mini Maxx V1 vs V2: Which Tuner is Best for Your Truck?
Feature | Mini Maxx V1 | Mini Maxx V2 |
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Supported Engines | 6.0L / 6.4L Powerstroke, 5.9L Cummins | 6.7L Cummins, 6.7L Powerstroke |
Interface | Classic LCD | Updated UI with wireless updates |
Delete Capabilities | DPF, EGR | DPF, EGR, DEF, SCR |
Price Range | Around $689 | Around $999 |
Ideal For | Older diesel trucks | Newer diesel models (2013+) |
The Mini Maxx V1 tuner is stable, budget-friendly, and perfect for older trucks. The Mini Maxx V2 tuner includes more advanced features and broader compatibility.
How to Install the Mini Maxx Tuner on Your Diesel Truck
Mini Maxx V1 Tuner Installation Guide
Mini Maxx V2 Tuner Installation Guide
⚠️ Note: This tuner is intended for off-road use only. Be sure to comply with your local emissions regulations.
Final Thoughts: Boost Your Truck with Mini Maxx Tuning
Whether using a Mini Maxx V1 for your classic diesel or a feature-rich Mini Maxx V2 on a newer model, both provide exceptional performance improvements. With support for major diesel brands and powerful delete options, the Mini Maxx tuner is your best tool for unleashing your truck's full potential.
Mini Maxx Tuner FAQs
Q1: What does the Mini Maxx tuner do?
The Mini Maxx tuner is a performance device for diesel trucks that enhances horsepower, torque, and fuel economy. It also allows emissions system deletes (DPF, EGR, DEF) for off-road applications.
Q2: How much horsepower can the Mini Maxx tuner add?
The Mini Maxx tuner can provide gains of up to 150 HP, depending on the vehicle, engine, and tune.
Q3: What’s the difference between Mini Maxx V1 and V2?
The V1 is ideal for older models and is known for tuning stability. The V2 features modern software, wireless updates, and broader compatibility with newer trucks.
Q4: Can a Mini Maxx tuner be unlocked?
Yes, unlocking is possible via software updates or manufacturer support, giving you access to advanced tuning features.
Q5: Will a tuner make my truck faster?
Absolutely. A Mini Maxx tuner improves throttle response, torque delivery, and engine performance.
Q6: Is the Traxxas Mini Maxx related to this tuner?
No, the Traxxas Mini Maxx is a 1/10 scale RC truck. It is not related to diesel tuners.
Q7: How do I install the Mini Maxx tuner?
Connect it to your truck’s OBD-II port, select your settings, and follow the guided on-screen process for quick setup.
Q8: Is it compatible with all diesel trucks?
The Mini Maxx tuner supports popular engines like Powerstroke, Cummins, and Duramax. Compatibility depends on the engine year and model.
Q9: Is the Mini Maxx tuner street legal?
No, it's for off-road use only. Using it on public roads where emissions laws apply may violate regulations.
Q10: What tuning options are available?
Mini Maxx offers customizable tunes for towing, fuel efficiency, and power boosts. It also supports DPF/EGR/DEF delete functions.