
Overview
The Ram Cummins 6.7L Cab & Chassis DPF Race Pipe is designed for 2011-2012 Ram Cab & Chassis trucks equipped with the 6.7L Cummins diesel engine. This 4-inch aluminized steel race pipe replaces the factory section containing the catalytic converter and DPF, and it features OE-style hangers and a bung-free design for maximum flow. It does not fit pickup models.
Vehicle Fitment
| Item | Compatibility |
|---|---|
| Make | Ram |
| Models | Cab & Chassis |
| Model Years | 2011-2012 |
| Engine | 6.7L Cummins Diesel |
| Pickup Models | Not compatible |
Fitment Note
- Fits Cab & Chassis models only; does not fit pickup models.
- A second SCR/urea race pipe is required to complete the system. It is offered in two lengths based on cab-to-axle measurement: Under 70" and Over 70".
- Measure from the back of the cab to the center of the rear wheel to select the correct second pipe.
Key Features
- 4-Inch Exhaust Piping: 4-inch diameter race pipe.
- Aluminized Steel Construction: Standard version is built from aluminized steel.
- OE-Style Hangers: Included for a factory-like mount.
- No Bungs: Bung-free design for maximum flow.
- Race Section: Replaces the factory catalytic converter and DPF section.
Technical Specifications
| Item | Description |
|---|---|
| Pipe Diameter | 4 inches |
| Material | Aluminized steel (standard version) |
| Hangers | OE-style, included |
| Sensor Bungs | None |
| Replaces | Catalytic converter and DPF section |
| Second Pipe | SCR/urea race pipe required (Under 70" or Over 70" cab-to-axle) |
| Tuning | Race tuning required |
| Intended Use | Off-road/competition use only |
Installation & Additional Details
Installation is rated as moderate. Penetrating oil and exhaust tools are recommended.
- Confirm the vehicle is a 2011-2012 Ram Cab & Chassis with the 6.7L Cummins before ordering.
- Order the second SCR/urea race pipe in the length that matches your cab-to-axle measurement.
- Race tuning is required to prevent diagnostic trouble codes and realize gains.
- This race pipe is intended for off-road/competition use only and is not street legal. Check all laws before purchase and use.
Frequently Asked Questions
Will this fit a Ram pickup?
No. This race pipe fits 2011-2012 Ram Cab & Chassis models with the 6.7L Cummins only.
Do I need a second pipe?
Yes. A second SCR/urea race pipe is required to complete the system. Choose the Under 70" or Over 70" version based on the distance from the back of the cab to the center of the rear wheel.
Is tuning required?
Yes. Race tuning is required after installation to prevent diagnostic trouble codes.
What is the pipe made of?
The standard version is 4-inch aluminized steel with OE-style hangers and no bungs.
Is this race pipe street legal?
No. It is intended for off-road/competition use only. Check all applicable laws before purchase and 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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