Mini Maxx Tuner V2 | DPF/DEF/EGR Delete Tuner
Type: mini maxx v2 egr/dpf/def delete tuner
Take full control of your diesel performance with the proven H&S Mini Maxx V2 tuner. Designed for off-road and competition applications, this all-in-one tuning solution delivers increased horsepower, improved fuel efficiency, and full control over your truck’s emissions systems—all through an easy-to-use interface.
The Mini Maxx V2 is built for diesel owners who want reliable performance without complexity. With pre-loaded tuning for DPF, EGR, and DEF removal, this tuner allows you to unlock your truck’s full potential while maintaining drivability and real-time monitoring. Featuring digital gauges, diagnostic capabilities, and simple installation, it’s a complete solution for performance-focused builds.
Key Functions
- Deletes DPF, EGR, and DEF systems along with related sensors
- Increases horsepower, torque, and overall engine efficiency
- Reads and clears diagnostic trouble codes (DTCs)
- Displays real-time digital gauges (20+ parameters)
- Adjusts or removes speed limiter and recalibrates speedometer
Vehicle Compatibility
Compatible with a wide range of diesel platforms, including:
- Duramax 6.6L (2007.5–2016 Silverado / Sierra)
- Powerstroke 6.4L (2008–2010)
- Powerstroke 6.7L (2011–2019, varies by configuration)
- Cummins 6.7L (2007.5–2021 RAM 2500–5500)
Important Notes:
- Some models have limited functionality or require additional components.
- Cab & Chassis and certain configurations may not be supported.
- Contact our sales team for details
Technical Specifications
| Product Type | Diesel Performance Tuner |
| Display | Digital screen with real-time gauges |
| Connectivity | OBD-II interface with HDMI connection |
| Updates | SD card / USB updatable |
| Tuning Type | Pre-loaded emission-delete tunes |
| Power Gains | Approx. +50HP to +150HP+ (varies by application) |
| Application | Off-road / competition use only |
What’s Included
- H&S Mini Maxx V2 tuner display
- OBD connection box
- HDMI cable
- Power adapter and fuse tap
- USB cable and SD card adapter
- Tuner mount
- Pre-loaded tuning software
Features
- Pre-loaded delete tunes for DPF, DEF, and EGR systems
- Guided on-screen installation for simple setup
- Real-time monitoring of critical engine data
- Internet-updatable software via SD card
- Custom tuning options available for advanced setups
Benefits
- Supports increased horsepower and torque output
- Improves fuel economy when properly configured
- Eliminates common emissions-related issues and failures
- Provides better control over engine performance and drivability
- All-in-one solution with monitoring, tuning, and diagnostics
Installation Notes
- Connect via OBD-II port and follow guided on-screen setup.
- Ensure stable battery voltage during installation.
- Do not disconnect device while flashing ECU.
- Professional installation recommended for best results.
Important Information
- This tuner is designed for deleted trucks and will not support emissions systems.
- Vehicle must be free of diagnostic trouble codes before tuning.
- Additional components (such as BD Pyrometer kit ) may be required for full monitoring.
Check for All known Issues Before Ordering
Get the latest MINI MAXX V2 updates
Watch the Mini Maxx V2 install Instructions video
Legal Disclaimer
This product is intended for off-road and competition use only. Ensure compliance with all local laws and emissions regulations before installation or use.
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TARIFF NOTICE:
While we ship with all required USMCA/CUSMA paperwork, U.S. Customs or carriers may still apply duties or fees at delivery. For details, see U.S. Customs & Border Protection
Shipping
We strive to provide fast and reliable shipping options for all our customers. For detailed information about our shipping rates, delivery times, and policies, please visit our Shipping Page.
Return Policies
Your satisfaction is important to us. If you wish to return an item or request a refund, please review the terms and conditions outlined in our Returns Policy.
Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
