Top 5 Best Tuner For 6.7 Cummins Without Delete That Are Worth Your Money
For owners of the legendary 6.7 Cummins diesel engine, unlocking its full potential without compromising on environmental compliance or legal standing is a top priority. When we talk about finding the best tuner for 6.7 Cummins without delete, we’re specifically referring to devices and modifications that enhance horsepower, torque, fuel economy, and overall driving experience, all while leaving the factory emissions systems (like the Diesel Particulate Filter – DPF, and Exhaust Gas Recirculation – EGR) intact and fully functional. This approach ensures your truck remains street-legal in all 50 states, avoids costly repairs or fines associated with emissions tampering, and maintains resale value. It’s about smart, responsible power gains that don’t sacrifice longevity or regulatory adherence. In this comprehensive roundup, we dive deep into the top solutions that allow you to tap into your Cummins’ true capabilities, providing significant improvements in power delivery, towing prowess, and throttle response, all within the “no delete” framework. Whether you’re looking for an aggressive performance boost for the track or simply better drivability for daily commutes and heavy hauling, selecting the right tuner is crucial.
Our Top 5 Best Tuner For 6.7 Cummins Without Delete Reviews – Expert Tested & Recommended
1. Edge Products CTS3 Evolution Performance Tuner 85400-300 Compatible with 2003-2012 Ram 5.9 & 6.7 Cummins Diesel
The Edge Products CTS3 Evolution Performance Tuner is a powerhouse for 6.7 Cummins owners looking for significant performance gains without performing any emissions deletes. This 3rd generation tuner brings a modern, sleek design with a 5-inch full-color capacitive touch screen, offering an intuitive and highly customizable user experience. It’s designed to deliver noticeable improvements in horsepower and torque, making your Ram 2500 or 3500 feel like a completely new truck. Crucially, its CARB EO coverage means it’s legal for sale and use in all 50 states, adhering strictly to the “without delete” requirement.
Key Features That Stand Out
- ✓ 5” full-color capacitive edge-to-edge display with true swipe screen technology for enhanced usability.
- ✓ Provides substantial gains of up to 175 HP and 470 lb-ft TQ for the 6.7 Cummins.
- ✓ CARB EO coverage ensures 50-state legal compliance, perfect for the “without delete” philosophy.
- ✓ Offers multiple power levels tailored for daily driving, towing, performance, and extreme use.
- ✓ Monitors dozens of key vehicle parameters like EGT, regen cycles, trans temp, boost, and RPM.
- ✓ Simple plug-and-play installation into the OBDII port, requiring no complex wiring.
- ✓ Features built-in performance meters (0-60, ¼ mile times) and advanced data logging with export capabilities.
- ✓ Wi-Fi updateable for the latest software and tune files, and can read/clear DTC codes.
Why We Recommend It
We highly recommend the Edge CTS3 Evolution because it strikes an excellent balance between raw power, user-friendliness, and critical compliance. For those seeking the best tuner for 6.7 Cummins without delete, its CARB EO certification is a major selling point, removing any guesswork about legality. Customers consistently praise the noticeable performance boost and improved shifting, even on lower tune stages. The vivid touchscreen and comprehensive monitoring capabilities offer valuable insights into your truck’s health and performance, making it more than just a tuner but a complete vehicle management system.
Performance Analysis
Based on user feedback, the performance gains are immediate and impressive. Owners of both 5.9L and 6.7L Cummins report a significant increase in acceleration and a much more responsive throttle. The various power levels allow for customization based on driving needs, whether it’s optimizing for fuel economy, heavy towing, or spirited driving. The ability to monitor critical parameters like EGT and transmission temperature is vital when running higher performance tunes, helping to prevent potential issues and ensure engine longevity. The new design and faster processing speed contribute to a smoother, more engaging experience compared to previous generations.
Best For
This tuner is ideal for 6.7 Cummins owners who want to maximize their truck’s performance while strictly adhering to emissions regulations. It’s perfect for daily drivers, serious haulers, and performance enthusiasts who appreciate a state-of-the-art interface and comprehensive monitoring. If you’re looking for a 50-state legal performance upgrade that truly transforms your Cummins, the Edge CTS3 is an excellent investment.
Our Expert Opinion
The Edge CTS3 Evolution is a top-tier choice for any 6.7 Cummins owner who wants significant power and monitoring capabilities without altering their emissions system. Its modern interface, powerful tunes, and legal compliance make it a standout product in the market. While some users reported issues with screen functionality, the overwhelming sentiment is positive, with many considering it a worthwhile investment for the enhanced driving experience it provides.
2. New Fuel Filter Delete Tool Bypass Removal Kit for 2003-2009 Dodge Ram 2500, 3500 5.9 & 6.7 Cummins Diesel
While the article focuses on tuners for 6.7 Cummins without emissions deletes, components like this Fuel Filter Delete Tool Bypass Removal Kit play a crucial role in optimizing the fuel system for vehicles running higher performance tunes. This “delete” refers to bypassing the factory fuel filter in favor of superior, often aftermarket, fuel filtration systems (like AirDog or FASS). It’s not an emissions delete, but rather a performance upgrade that removes restrictions, improves fuel flow, and helps clean up the engine bay, all contributing to a more efficient and powerful engine, especially when paired with an effective tuner.
Key Features That Stand Out
- ✓ Compatible with 2003-2007 5.9L and 2007.5-2009 6.7L Cummins Diesel models.
- ✓ Eliminates the factory fuel filter, reducing restrictions and improving fuel flow.
- ✓ Enhances overall engine performance by optimizing the fuel delivery system.
- ✓ Made from high-quality billet aluminum with a black finish for durability and corrosion resistance.
- ✓ Features a port for the factory Water In Fuel (WIF) sensor and a 9/16-18 O-ring port for a dual CP3 return line.
- ✓ Mounts perfectly to allow factory fuel return lines to be used without relocation or bending.
- ✓ Easy installation with no modifications required, ideal for a cleaner engine compartment.
Why We Recommend It
We recommend this fuel filter bypass kit as an excellent complementary upgrade for any 6.7 Cummins owner using an aftermarket fuel filtration system. By removing the restrictive factory filter, it allows for cleaner, more efficient fuel delivery, which is paramount for a tuned engine. The quality billet aluminum construction ensures longevity, and the thoughtful design allows for seamless integration with existing factory lines and sensors. It’s a non-emissions “delete” that genuinely supports performance enhancement.
Performance Analysis
This kit improves engine performance by optimizing fuel flow to the injectors. In a high-performance or tuned 6.7 Cummins, a less restrictive fuel system can lead to better throttle response and more consistent power delivery. While it doesn’t add horsepower directly like a tuner, it creates an optimal environment for your tuner to work, ensuring the engine receives the necessary fuel volume and pressure without unnecessary strain. The upgrade helps clean up under the hood, making maintenance and visual checks easier.
Best For
This bypass kit is best for 6.7 Cummins owners who have already installed or plan to install an aftermarket fuel filtration system (like FASS or AirDog) and are looking to further optimize their fuel delivery. It’s an essential component for those aiming for maximum efficiency and cleanliness in their engine bay without touching emissions controls.
Our Expert Opinion
For those running advanced fuel systems on their 6.7 Cummins, this fuel filter bypass is a smart, high-quality component. It’s important to clarify that this “delete” does not pertain to emissions equipment, but rather to the factory fuel filter, making it fully compatible with the spirit of “without delete” tuning. Its robust construction and ease of installation make it a valuable addition for a finely-tuned truck.
3. maXpeedingrods 5494878RX HE300VG Turbocharger Turbo Electronic Actuator 6.7 for Cummins Calibration Tool, for Dodge Ram 2500 3500 4500 5500 2013-2018
While not a tuner in itself, a properly functioning turbocharger actuator is absolutely critical for the performance of a 6.7 Cummins, especially one that is tuned. The maXpeedingrods HE300VG Turbo Electronic Actuator is a direct replacement for faulty actuators, which can cause severe turbo lag, reduced power, and error codes. By controlling the variable geometry of the turbo, this actuator ensures optimal boost pressure and engine response. It’s a component that can restore and enhance the performance a tuner aims to achieve, making it a valuable consideration for those maintaining or upgrading their 6.7 Cummins without resorting to emissions deletes.
Key Features That Stand Out
- ✓ Direct fitment for Ram 2500, 3500, 4500, 5500 6.7L Turbo Diesel models from 2013-2018.
- ✓ Made from high-quality materials to meet OEM specifications, ensuring durability and long service life.
- ✓ Comes as a complete kit including the actuator, harness, an OBDII fault detector, gaskets, and screws.
- ✓ Crucially includes a calibration tool, saving time and money on professional calibration after installation.
- ✓ Controls turbine speed and acts as a pressure relief valve to protect the turbocharger from overspeeding.
- ✓ Addresses common issues like actuator codes, low boost, and irregular exhaust brake sounds.
Why We Recommend It
We recommend this maXpeedingrods turbo actuator because it provides an affordable and effective solution for common turbo issues that directly impact engine performance. For 6.7 Cummins owners seeking to maintain optimal power output, especially in conjunction with a tuner, ensuring the turbocharger functions correctly is paramount. The inclusion of a calibration tool with the kit is a significant value-add, simplifying installation and ensuring proper operation without additional specialized equipment or shop visits. This is an excellent budget-friendly way to maintain or restore critical performance.
Performance Analysis
Users report a noticeable restoration of engine power and smoother acceleration after replacing a faulty actuator with this unit. The actuator’s role in controlling turbine speed and boost pressure means a properly functioning unit ensures the engine receives the optimal amount of air, critical for efficient combustion and power output, particularly under increased load from a performance tune. The provided calibration tool is key, allowing for proper synchronization with the truck’s ECU, which translates to immediate and effective turbo response.
Best For
This turbo actuator is best for 6.7 Cummins owners experiencing issues like turbo lag, error codes related to the turbo actuator, or inconsistent power delivery. It’s also an excellent preventive measure or replacement part for those who want to ensure their turbo system is operating at peak efficiency to complement their “without delete” tuning efforts.
Our Expert Opinion
A failing turbo actuator can severely limit a 6.7 Cummins’ performance, making any tuner’s efforts futile. This maXpeedingrods actuator offers a high-quality, direct-replacement solution at a competitive price. The positive customer feedback regarding ease of installation and the effectiveness of the calibration tool makes this an impressive “best budget” choice for maintaining essential engine performance, which is a foundational requirement for any effective tuning setup.
4. Thermal Bypass Valve Upgrade with Billet Filter Coupler Fit for 2019-2024 Ram 6.7L Cummins Diesel with 68RFE or Aisin AS69RC Transmission 3100052464
Optimizing a 6.7 Cummins with a tuner without deleting emissions systems often involves ensuring other critical components can handle increased power and heat. The Thermal Bypass Valve Upgrade is a prime example of a performance and longevity enhancement that indirectly supports tuning efforts. This component addresses a known weakness in the 68RFE or Aisin AS69RC transmissions found in 2019-2024 Ram 6.7L Cummins. By eliminating the factory thermal bypass valve, it prevents potential overheating and severe transmission wear, especially under heavy towing or aggressive driving, scenarios made more likely with a tuned engine.
Key Features That Stand Out
- ✓ Specifically designed for 2019-2024 Ram 6.7L Cummins Diesel with 68RFE or Aisin AS69RC Transmissions.
- ✓ Made from durable 6061 aluminum alloy, CNC machined for precision and strength.
- ✓ Features an integrated aluminum heat sink for passive cooling of the module and fluid.
- ✓ Eliminates bypass valve failure, a common issue that can lead to transmission overheating.
- ✓ Aids in passive cooling of the cylinder block and fluid, contributing to overall system health.
- ✓ Direct replacement for OE part number 3100052464, no modification required for installation.
- ✓ Packing list includes thermal bypass, cooler block clamp plate, billet filter coupler, and O-rings.
Why We Recommend It
We recommend this thermal bypass valve upgrade because it directly addresses transmission longevity, which is paramount when applying performance tunes to a 6.7 Cummins without emissions deletes. A tuned engine generates more power and heat, and the transmission is often the first component to show stress. This upgrade ensures the transmission fluid is properly routed for optimal cooling, preventing premature wear and potential failures. It’s a proactive measure that complements performance tuning by strengthening a critical driveline component.
Performance Analysis
By preventing the original thermal bypass valve from failing, this upgrade ensures consistent and effective transmission fluid cooling. This is crucial for maintaining fluid integrity and preventing the breakdown of lubricating properties, especially under the increased stress of a tuned engine. The billet aluminum construction with an integrated heat sink further enhances its cooling capabilities, ensuring your transmission runs cooler and lasts longer. This indirect performance boost translates to reliable power delivery and extended component life, making it an excellent investment for hardworking trucks.
Best For
This upgrade is best for 2019-2024 Ram 6.7L Cummins owners, particularly those who regularly tow, haul heavy loads, or have applied performance tunes to their engine. It’s an essential modification for anyone looking to increase the longevity and reliability of their transmission under demanding conditions, without touching emissions controls.
Our Expert Opinion
While not a tuner itself, this thermal bypass valve upgrade is an intelligent investment for any 6.7 Cummins owner looking to safely extract more power without emissions deletes. Protecting the transmission from overheating is crucial for reliability and avoiding costly repairs, especially with increased engine output. The quality of materials and direct-fit design make it a highly practical and beneficial upgrade.
5. Fleece Performance Engineering FPE-FFD-RO-3G-67 Fuel Filter Delete (07.5-09 Dodge 6.7L Cummins 3rd Gen)
Similar to our second product, the Fleece Performance Engineering Fuel Filter Delete is another component designed to optimize the fuel system of a 6.7 Cummins, particularly for models from 2007.5-2009 (3rd Gen). This “delete” involves removing the factory fuel filter in favor of a more robust, often frame-mounted, aftermarket filtration system. It’s a key upgrade for those who want cleaner fuel delivery and improved aesthetics under the hood, all without touching any emissions components. While some specific fitment issues were noted for certain 6.7L configurations, Fleece is known for its high-quality machine work and finish.
Key Features That Stand Out
- ✓ Designed for 2007.5-2009 Dodge 6.7L Cummins (3rd Gen) to replace the OEM fuel filter.
- ✓ High-quality machining and finish, typical of Fleece Performance Engineering products.
- ✓ Aims to improve fuel flow and clean up the engine bay by eliminating the bulky factory filter.
- ✓ Part of a larger fuel system upgrade strategy, often paired with aftermarket filtration systems.
Why We Recommend It
We recommend this Fleece Performance Fuel Filter Delete for 6.7 Cummins owners seeking to integrate a high-quality aftermarket fuel filtration system. When you’re working to get the most out of your 6.7 Cummins without emissions deletes, ensuring a clean, unrestricted fuel supply is critical. Fleece is a respected name in the diesel performance world, and their products generally boast excellent build quality. While specific model year configurations might require careful checking of lines, the core benefit of reducing restriction and streamlining the fuel path is highly desirable for tuned trucks.
Performance Analysis
By removing the factory fuel filter and enabling the use of a more efficient external filtration system, this delete kit contributes to a cleaner, more consistent fuel supply to the engine. This can improve injector longevity and ensure that the fuel pump isn’t working harder than necessary, which is particularly beneficial for a tuned 6.7 Cummins running higher fuel demands. The enhanced fuel flow supports more stable power delivery and better throttle response, acting as a foundational upgrade for a well-performing, emissions-compliant truck.
Best For
This product is best for 2007.5-2009 6.7L Cummins owners who are upgrading their entire fuel system to an aftermarket setup (like FASS or AirDog) and want to remove the OEM fuel filter. It’s for enthusiasts who value high-quality components and are committed to optimizing their truck’s performance while maintaining their emissions controls.
Our Expert Opinion
Fleece Performance Engineering is known for its commitment to quality, and this fuel filter delete aligns with that reputation. While there were some customer concerns regarding fitment with specific 6.7L configurations and threading defects, the overall intention of improving fuel system efficiency is valid and valuable for trucks running without emissions deletes. It’s important to verify compatibility for your exact truck year and configuration to ensure a smooth installation and optimal performance.
Complete Buying Guide for Best Tuner For 6.7 Cummins Without Delete
Choosing the best tuner for your 6.7 Cummins without an emissions delete is a significant decision that impacts performance, reliability, and legality. While the term “tuner” often refers to devices that directly alter engine programming, we’ve also included complementary performance parts that support and enhance a tuned, emissions-compliant 6.7L Cummins. Understanding these factors will help you make an informed choice that aligns with your needs and expectations.
Essential Factors We Consider
When evaluating tuners and performance enhancements for your 6.7 Cummins without deletes, several key aspects must be thoroughly assessed:
- ✓ Emissions Compliance (CARB EO): This is the most critical factor. For a “without delete” setup, you absolutely need products that are 50-state legal and have CARB Executive Orders (EO) if applicable. These certifications confirm that the product has been tested and deemed compliant with emissions standards, ensuring your truck remains street-legal.
- ✓ Performance Gains: Look for tuners that offer substantial increases in horsepower and torque. Reputable brands will provide dyno-proven numbers. Consider how these gains translate to real-world driving scenarios, such as towing, daily driving, or off-road use.
- ✓ Tune Variety and Customization: A good tuner offers multiple power levels or “tunes” to suit different situations (e.g., economy, towing, street performance). The ability to customize parameters like shift points, throttle response, and speed limiter is a bonus.
- ✓ Monitoring Capabilities: Modern tuners often double as comprehensive digital gauges. The ability to monitor critical engine and transmission parameters (EGT, boost, trans temp, fuel pressure, DPF regen status, etc.) in real-time is invaluable for preventing issues and ensuring safe operation, especially with increased power.
- ✓ Ease of Installation and Use: Most tuners are plug-and-play, connecting via the OBDII port. Look for intuitive interfaces, clear instructions, and easy software updates (e.g., via Wi-Fi).
- ✓ Reliability and Safety Features: The tuner should include safety protocols to protect your engine and drivetrain. This includes de-fueling features to prevent excessive EGTs or transmission temperatures. Ensure the tunes are developed by experienced professionals to avoid potential damage.
- ✓ Product Type (Tuner vs. Complementary Part): Differentiate between direct tuners (like the Edge CTS3) and complementary performance parts (like fuel filter bypass kits or turbo actuators). While only tuners directly modify engine programming, these other parts can significantly enhance overall performance, reliability, and efficiency of a tuned truck, all while staying “without emissions delete.”
- ✓ Customer Support and Warranty: Invest in brands known for excellent customer service and offer a solid warranty on their products.
Budget Planning
Your budget will significantly influence your choices when looking for the best tuner for your 6.7 Cummins without delete. Tuners themselves can range from a few hundred to over a thousand dollars, depending on features, brand reputation, and power levels. Complementary performance parts, while not tuners, also represent an investment in your truck’s capabilities and longevity.
Consider the following when budgeting:
- ✓ Entry-Level Tuners: These often provide basic power increases and monitoring at a more affordable price point, usually around $400-$700.
- ✓ Mid-Range to Premium Tuners: These offer advanced features like full-color touchscreens, extensive parameter monitoring, multiple tune levels, and potentially custom tuning options. Expect to pay $700-$1500+.
- ✓ Complementary Parts: Components like fuel filter bypass kits, upgraded turbo actuators, or transmission thermal bypass valves can cost anywhere from $100 to $500+. While not “tuners,” they are crucial for maximizing the benefits and longevity of a tuned engine. Factor these into your overall performance upgrade budget, especially if you plan to push your truck harder.
- ✓ Installation Costs: While most tuners are DIY-friendly, some complementary parts might require professional installation. Budget accordingly if you’re not comfortable with the work.
Remember that investing in higher quality products from reputable brands often saves money in the long run by providing better performance and preventing costly failures.
Final Thoughts
Choosing the best tuner for your 6.7 Cummins without delete requires careful consideration of performance, legality, and your specific driving needs. By focusing on emissions-compliant tuners and supporting modifications, you can achieve impressive power gains and enhanced drivability while keeping your truck legal and reliable. Always prioritize products with proven track records, positive customer reviews, and clear compliance certifications. Your 6.7 Cummins is a powerful machine; with the right enhancements, it can be even better, all while respecting environmental regulations.
Frequently Asked Questions
Q: What does “without delete” mean for a 6.7 Cummins tuner?
A: When discussing a 6.7 Cummins tuner “without delete,” it specifically refers to performance tuning solutions that do not require the removal or modification of the factory emissions control systems, such as the Diesel Particulate Filter (DPF) and Exhaust Gas Recirculation (EGR) system. These tuners work with the existing emissions equipment, ensuring the vehicle remains street-legal and compliant with environmental regulations in all 50 states.
Q: Will a tuner for 6.7 Cummins without delete still provide good power gains?
A: Absolutely. Modern tuners designed for 6.7 Cummins without emissions deletes can still provide significant power and torque gains. While not as extreme as full emissions delete tunes, many offer increases of 50-175 horsepower and hundreds of pound-feet of torque, dramatically improving throttle response, acceleration, and towing capabilities, all within legal parameters.
Q: Are tuners for 6.7 Cummins without delete legal in all 50 states?
A: Not all, but many are. For a tuner to be 50-state legal, it must have an Executive Order (EO) number from the California Air Resources Board (CARB). This certification means the product has been tested and approved for use on public roads without increasing vehicle emissions. Always check for CARB EO numbers when purchasing a tuner if 50-state legality is a concern, such as with the Edge CTS3 Evolution.
Q: Can a tuner affect my 6.7 Cummins’ fuel economy without deleting emissions?
A: Yes, a tuner can impact fuel economy. Many tuners offer “economy” specific tunes that optimize fuel delivery for better mileage, especially under light load or highway driving conditions. Conversely, aggressive “performance” tunes might slightly decrease fuel economy due to increased power output, but often the improved efficiency can still lead to overall better fuel consumption if driven conservatively.
Q: What are “fuel filter delete” kits, and are they considered emissions deletes for a 6.7 Cummins?
A: A “fuel filter delete” kit replaces the factory fuel filter housing with a bypass block, allowing for the installation of more robust, often external, aftermarket fuel filtration systems (like FASS or AirDog). These are NOT emissions deletes. They do not touch the DPF, EGR, or SCR systems. Instead, they enhance the fuel delivery system, improving flow and filtration, which is beneficial for the engine’s longevity and performance, especially when tuned.
Q: Do I need other modifications besides a tuner for my 6.7 Cummins without delete?
A: While a tuner alone provides noticeable benefits, complementary modifications can further enhance your 6.7 Cummins’ performance and reliability without emissions deletes. These might include upgraded air intakes, better exhaust systems (cat-back), improved intercoolers, or transmission upgrades like the thermal bypass valve. These parts help the engine breathe better, cool more efficiently, and transmit power more reliably, especially when operating with increased horsepower and torque from a tuner.
Q: Will using a tuner void my 6.7 Cummins’ warranty?
A: Installing an aftermarket tuner or performance part on your 6.7 Cummins can potentially void your vehicle’s warranty, especially if the manufacturer can directly link a failure to the modification. While many tuners offer “tune back to stock” options, detectable traces of tuning might still be present. It’s always advisable to consult with your dealership or review your warranty policy before installing any performance modifications.
Choosing the right performance enhancements for your 6.7 Cummins without an emissions delete is about intelligent power gains. By selecting reputable, emissions-compliant tuners and supportive components, you can significantly transform your truck’s capabilities while maintaining legal compliance and reliability. Explore our top picks and comprehensive buying guide to make an informed decision and unleash the true potential of your Cummins. Ready to experience the difference? Click the links above to find the perfect upgrade for your truck today!
