
Overview
The Ram Cummins 6.7L All-in-One DPF/DEF/EGR Kit (2007.5-2009) is designed for 2007.5-2009 Ram 2500HD and 3500HD trucks equipped with the 6.7L Cummins Turbo Diesel engine. The package combines an H&S Performance Mini Maxx tuner, a 4-inch stainless steel exhaust pipe, and EGR valve and cooler components for off-road and competition applications.
The kit is designed to reduce exhaust restriction and address common emissions-related failure points. The vehicle must be properly tuned and verified to have no diagnostic trouble codes before any emissions components are removed.
Vehicle Fitment
- Model Years: 2007.5-2009
- Make: Ram
- Models: 2500HD / 3500HD
- Engine: 6.7L Cummins Turbo Diesel
What's Included
- H&S Performance Mini Maxx Tuner: Includes pre-loaded tuning intended to recalibrate the ECM for the specified vehicle configuration.
- 4-Inch Stainless Steel Exhaust Pipe: Mandrel-bent pipe available in T304 or T409 stainless steel, as specified for the product.
- EGR Valve and Cooler Kit: Components for the factory EGR valve and cooler system.
Technical Specifications
| Specification | Details |
|---|---|
| Tuner | H&S Performance Mini Maxx with pre-loaded tuning |
| Exhaust Pipe Diameter | 4 inches |
| Pipe Material Options | T304 stainless steel / T409 stainless steel |
| EGR Components | EGR valve and cooler kit |
| Intended Use | Off-road and competition use only |
Key Features
- H&S Mini Maxx Tuner: Provides vehicle-specific tuning for the specified engine and model years.
- 4-Inch Stainless Steel Pipe: Mandrel-bent construction designed to reduce exhaust backpressure compared with the factory DPF assembly.
- EGR Valve and Cooler Components: Designed to address the factory EGR system.
- Complete Package: Combines the tuner, exhaust pipe, and EGR components in one kit.
Performance Benefits
- Throttle Response: Designed to support quicker throttle response and smoother power delivery.
- Engine Temperatures: Removing EGR flow may help reduce intake air and coolant temperatures under towing or sustained load.
- Fuel Economy: Eliminating DPF regeneration cycles may improve fuel economy. Results vary with tune level and driving conditions.
- Reliability: Reducing the number of emissions-related components may reduce certain component failure points.
Installation Notes
- Professional installation is recommended.
- The truck must be properly tuned using the included Mini Maxx, and diagnostic trouble codes must be checked before removing emissions components.
- Standard hand tools and exhaust removal experience are required.
- Access to the EGR cooler area is required for installation.
Frequently Asked Questions
Is this a complete kit for a 2008 6.7L Cummins?
Yes. The package includes the H&S Mini Maxx tuner, a 4-inch stainless steel exhaust pipe, and EGR valve and cooler components for 2007.5-2009 Ram 2500HD and 3500HD trucks equipped with the 6.7L Cummins engine.
Can the truck be driven before installing the tuner?
No. The ECM must be properly tuned before any emissions components are removed. The vehicle must also be verified to have no diagnostic trouble codes to reduce the risk of fault codes, limp mode, or ECM damage.
What performance changes should I expect?
Expected changes may include improved throttle response, smoother power delivery, and fuel economy improvements. Results vary depending on tune level and driving conditions.
Are all major components included?
Yes. The package includes the Mini Maxx tuner, 4-inch stainless steel exhaust pipe, and EGR valve and cooler components. Optional upgrades, including a cold air intake, grid heater components, and gauges, are sold separately.
Is this kit legal for street use?
No. This product is intended for off-road and competition use only and is not legal for use on public roads.
Optional Add-Ons
- Ram Cummins 6.7L Cold Air Intake (2007-2009)
- Ram Cummins 6.7L Grid Heater Kit (2007.5-2018)
- Ram Cummins 6.7L Throttle Valve (2007.5-2024)
Important Notes:
- The vehicle must be properly tuned and verified to have no diagnostic trouble codes before removing or modifying emissions components.
- Failure to follow the installation instructions may damage the ECM or void warranty coverage.
- This product is intended for off-road use only.
Shipping
Free shipping on tuners. We aim to dispatch in-stock orders within 2 business days. Most North American orders arrive within 2–7 business days after dispatch via expedited ground. International orders typically take 5–14 business days, depending on destination and customs.
Transit time starts when your order ships, not when you place it. Weekend orders are processed the next business day. Orders shipping outside Canada may be subject to import duties and taxes, which are the customer’s responsibility on delivery. See our shipping policy for full details.
Items Eligible for Return
These items can be returned within 30 days of the purchase date if they are unopened, unused, and in their original packaging:
- Tuning devices: an unopened, unused Mini Maxx V1/V2 or a blank EFI Live device.
- Cables and device accessories: an unopened, unused switch, bypass cable, universal pyrometer, or docking station.
Final Sale
The following items are final sale and cannot be returned:
- Custom tuning: additional tune files purchased separately, and custom tuning purchased with a device.
- Exhausts and race pipes: including downpipes purchased separately from an exhaust or race pipe.
- EGR kits.
Manufacturer Warranty
Every item we sell includes a 90-day manufacturer warranty. An item returned for a manufacturer defect can be refunded in full, exchanged, or replaced with a similar item of equal or lesser value.
Eligible items returned for any other reason follow the same options — a full refund, an exchange, or a replacement of equal or lesser value — as long as the item meets the requirements above.
Return Process
Every return must be approved before it is sent back. Email support@dynamicdiesels.com or call 1-877-600-5667 and we’ll issue a valid Return Merchandise Authorization (RMA) number and a prepaid return label.
Do not send anything back without an approved RMA and the return label we provide. Returns sent without both will not be accepted or processed. See our refund policy for full details.
Warranty
All tuning devices come with a 90-day manufacturer’s warranty from the date of delivery. You have a full 90 days from delivery to start a warranty claim if an issue arises. We also honor all applicable manufacturer warranties on the products we sell; coverage period and claim process vary by brand and product category.
To start a claim, email support@dynamicdiesels.com or call 1-877-600-5667 with your order number. We may ask a few questions about the device to confirm the fault, and we may request proof of communication with the manufacturer, as they are often the primary contact for device issues.
Once your claim is approved, you can choose one of the following:
- Return for replacement: Send us the faulty device, and once we receive it we’ll dispatch a replacement of the same or a similar device of equal or lesser value.
- Return for refund: Return the faulty device and we’ll refund the original payment method. Please allow 3–4 business days for the refund to appear.
- Return for gift card: Receive a gift card for the faulty device, sent to the email on file and available to use right away.
You’ll receive a Return Merchandise Authorization (RMA) number and a prepaid return label to send the faulty device back. See our refund policy for full details.
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