Keeping your 6.7 Cummins running smoothly often means dealing with its emissions control systems. These systems, while designed to reduce pollution, can sometimes cause more problems than they solve, leading to decreased performance and fuel economy. That’s where delete kits come in. Choosing the right one can be a game-changer, but with so many options, finding the best one can feel overwhelming. So, let’s explore some of the top delete kits available to help you make an informed decision.
Here’s a quick look at the top picks:
- EZ Lynk Auto Agent 2.0 with GDP Tuning: Best overall for ease of use and comprehensive tuning.
- MM3 Tuner with RaceME Delete Tunes: Top choice for advanced users who want extensive customization.
- EFI Live with Custom Tuning: Great for experienced tuners seeking maximum control.
- SCT X4 with Pre-Loaded Delete Tunes: User-friendly option for simple, effective performance gains.
- Bully Dog GT Diesel Tuner with DPF Delete: Good balance of features and affordability.
Top 5 Delete Kits for 6.7 Cummins Reviews
1. EZ Lynk Auto Agent 2.0 with GDP Tuning
The EZ Lynk Auto Agent 2.0, combined with GDP Tuning, is a popular choice for its user-friendly interface and powerful capabilities. It allows for real-time monitoring and adjustments, making it easy to optimize your truck’s performance. The cloud-based tuning means updates and support are readily available.
Pros:
- ✅ Cloud-based tuning for easy updates and support
- ✅ User-friendly app interface
- ✅ Real-time monitoring and data logging
Cons:
- ❌ Can be more expensive than other options
- ❌ Requires a smart device for operation
- ❌ Some users report occasional connectivity issues
Verdict: Perfect for those who want a seamless, tech-driven tuning experience with readily available support.
2. MM3 Tuner with RaceME Delete Tunes
The MM3 Tuner, paired with RaceME Delete Tunes, is designed for advanced users who crave extensive customization options. This tuner offers in-depth control over various engine parameters, allowing you to fine-tune your truck’s performance to your exact specifications. It’s a favorite among experienced tuners.
Pros:
- ✅ Extensive customization options
- ✅ Large display screen
- ✅ Real-time data monitoring
Cons:
- ❌ Steeper learning curve for beginners
- ❌ Can be overwhelming with the number of settings
- ❌ Requires technical knowledge to maximize its potential
Verdict: Ideal for experienced users who want full control over their Cummins engine tuning.
3. EFI Live with Custom Tuning
EFI Live, combined with custom tuning, is the choice for experienced tuners looking for ultimate control and flexibility. This system allows for highly customized tunes tailored to your specific modifications and performance goals. It requires a deep understanding of engine parameters and tuning principles.
Pros:
- ✅ Unmatched customization capabilities
- ✅ Industry-standard tuning software
- ✅ Supports multiple vehicles with the appropriate licenses
Cons:
- ❌ Significant learning curve
- ❌ Requires extensive tuning knowledge
- ❌ Can be expensive due to software and custom tuning costs
Verdict: Best for seasoned tuners who demand the highest level of customization and control.
4. SCT X4 with Pre-Loaded Delete Tunes
The SCT X4 with pre-loaded delete tunes is a user-friendly option for those seeking simple and effective performance gains. This tuner comes with pre-set tunes designed for DPF delete, making the installation and setup process straightforward. It’s a great choice for those new to tuning.
Pros:
- ✅ Easy to install and use
- ✅ Pre-loaded delete tunes for convenience
- ✅ Affordable option for basic tuning needs
Cons:
- ❌ Limited customization options
- ❌ May not offer the same level of performance as custom tunes
- ❌ Display screen is smaller compared to other tuners
Verdict: A solid choice for users looking for a hassle-free and budget-friendly delete tuning solution.
5. Bully Dog GT Diesel Tuner with DPF Delete
The Bully Dog GT Diesel Tuner with DPF Delete offers a good balance of features and affordability. This tuner provides pre-loaded tunes for DPF delete, along with monitoring capabilities and customizable gauges. It’s a versatile option for daily drivers and occasional performance enthusiasts.
Pros:
- ✅ Versatile with monitoring and tuning functions
- ✅ Customizable gauge displays
- ✅ Pre-loaded delete tunes
Cons:
- ❌ Customization is not as extensive as with EFI Live or MM3
- ❌ Some users report the display can be difficult to read in direct sunlight
- ❌ Occasional software update issues
Verdict: A well-rounded option for users who want a blend of monitoring features and delete tuning capabilities without breaking the bank.
Buying Guide
Choosing the right delete kit for your 6.7 Cummins involves several considerations. Here’s a breakdown to help you make the best decision:
- Tuning Needs: Are you looking for a simple, pre-loaded tune, or do you want extensive customization options? Your experience level and desired performance gains will dictate the best choice.
- Budget: Delete kits range in price from a few hundred to over a thousand dollars. Determine how much you’re willing to spend and prioritize features accordingly.
- User Experience: Consider how comfortable you are with technology. Some kits offer user-friendly interfaces, while others require more technical expertise.
- Support and Updates: Opt for a kit with reliable support and frequent updates. This ensures you can address any issues and keep your tuning software current.
- Compatibility: Always verify that the kit is compatible with your specific model year and any other modifications you’ve made to your truck.
- Legality: Be aware of local and federal regulations regarding emissions modifications. Deleting emissions equipment may not be legal in your area.
When I was looking at delete kits, I spent a lot of time reading forums and watching videos. It really helped me narrow down what features were most important to me. Don’t skip this step!
FAQs
Q: Is deleting emissions equipment legal?
A: Deleting emissions equipment is generally not legal for on-road use in the United States and may violate federal and local laws. It is intended for off-road or competition use only.
Q: Will deleting my DPF improve fuel economy?
A: Yes, deleting the DPF (Diesel Particulate Filter) can often improve fuel economy, as it reduces backpressure and allows the engine to run more efficiently.
Q: What other components do I need besides the delete kit?
A: You will typically need a DPF delete pipe or exhaust system, and possibly EGR (Exhaust Gas Recirculation) block-off plates, depending on the kit and your specific goals.
Q: Can I install a delete kit myself?
A: While some kits are designed for DIY installation, it’s generally recommended to have a professional install the kit, especially if you are not experienced with automotive repairs and tuning.
Q: Will deleting my emissions system void my warranty?
A: Yes, deleting your emissions system will likely void your vehicle’s warranty, as it modifies the vehicle’s original configuration.
Conclusion
Choosing the best delete kit for your 6.7 Cummins ultimately depends on your individual needs, budget, and technical expertise. From the user-friendly EZ Lynk to the highly customizable EFI Live, there’s a kit to suit every preference. Just remember to consider the legal implications and potential warranty issues before making your decision. By carefully evaluating your options and doing your research, you can find the perfect delete kit to unlock your Cummins engine’s full potential.
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