| Years | 2013-2021 |
|---|---|
| Make | Dodge Ram |
| Engine | Cummins |
| Displacement | 6.7L |
| Body | Pickup Truck |
Ram Cummins 6.7L EZ LYNK All-in-One Kit (2013–2021)

Overview
The Ram Cummins 6.7L EZ LYNK All-In-One Kit is designed for supported 2013-2021 Ram 2500 and Ram 3500 trucks equipped with the 6.7L Cummins diesel engine, with 6.7L Cab & Chassis variants also offered. The kit provides DPF, DEF, and EGR solutions and includes a blank EZ LYNK Auto Agent 3, EZ LYNK tuning, an EGR kit, a year-dependent SOTF switch, and a bypass cable for 2018-2021 models.
The correct calibration depends on the truck's model year, ECM platform, and submitted vehicle information.
Vehicle Compatibility
| Model Years | Vehicle | Engine | ECM Platform | Bypass Cable |
|---|---|---|---|---|
| 2013-2017 | Ram 2500 / 3500 | 6.7L Cummins | CME | Not required |
| 2018 | Ram 2500 / 3500 | 6.7L Cummins | CME | Included |
| 2019-2021 | Ram 2500 / 3500 | 6.7L Cummins | CMF | Included |
Fitment Note: 6.7L Cab & Chassis variants are available, including 2012-2021 Ram 4500 and Ram 5500 applications. Select the variant that matches your truck's model year and configuration.
PTO Notice: Tuning does not support Power Take-Off (PTO).
What's Included
- Blank EZ LYNK Auto Agent 3 tuning interface
- EZ LYNK tuning for the selected vehicle configuration
- EGR kit
- SOTF switch (year dependent)
- Bypass cable for 2018 and 2019-2021 models
- Lifetime full support
EZ LYNK Tuning
The EZ LYNK Auto Agent 3 is used to load the custom calibration. The device ships blank, and the tune is prepared after the required vehicle information is submitted. The EZ LYNK platform also offers app connectivity and ELD features.
| Model Years | ECM Platform | Tuning Configuration |
|---|---|---|
| 2013-2017 | CME | CME calibration; bypass cable not required. |
| 2018 | CME | CME calibration with the required bypass cable. |
| 2019-2021 | CMF | CMF calibration with the required bypass cable. |
CME and CMF are different ECM platforms and require their respective calibrations and tuning procedures.
Technical Information
| Item | Information |
|---|---|
| Model Years | 2013-2021 |
| Vehicle | Ram 2500 / 3500; Cab & Chassis variants available |
| Engine | 6.7L Cummins Diesel |
| Tuning Interface | EZ LYNK Auto Agent 3 (ships blank) |
| ECM Platform | CME for 2013-2018; CMF for 2019-2021 |
| Solutions | DPF, DEF, and EGR |
| EGR Kit | Included |
| PTO | Not supported by tuning |
| Support | Lifetime full support |
Custom Tune Delivery
- Select the correct model year and package configuration.
- Submit the required vehicle information.
- The appropriate CME or CMF calibration is prepared for the truck.
- Receive the completed tune and load it with the EZ LYNK Auto Agent 3.
The EZ LYNK Auto Agent 3 ships blank.
Frequently Asked Questions
What years does this kit fit?
This kit is listed for supported 2013-2021 Ram 2500 and Ram 3500 trucks equipped with the 6.7L Cummins diesel. 6.7L Cab & Chassis variants, including 2012-2021 Ram 4500 and 5500 applications, are also available.
Does the package include a tuner?
Yes. The package includes a blank EZ LYNK Auto Agent 3 and EZ LYNK tuning for the selected truck configuration.
What is the difference between CME and CMF tuning?
2013-2018 trucks use the CME ECM platform, while 2019-2021 trucks use CMF. Each requires its corresponding calibration and tuning procedure.
Is an EGR kit included?
Yes. An EGR kit is included with this all-in-one kit.
Does the tuning support PTO?
No. Tuning does not support Power Take-Off (PTO).
Is a bypass cable included?
Yes. A bypass cable is included for 2018 and 2019-2021 models.
What support is included?
The kit includes lifetime full support.
Compliance Notice: Verify that all tuning, emissions-related components, and vehicle modifications comply with applicable emissions laws and regulations before purchase or use.
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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