Ram Cummins 6.7L Cab & Chassis DPF Delete Pipe (2011-2012)
SKU: DPSS-RAMCC-11-DPF-S3-DPF
Exhaust Quality
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Product Description
Ram 6.7L Cummins Cab & Chassis 4" DPF Race Pipe (2011–2012)
This 4-inch aluminized steel race pipe is designed specifically for 2011–2012 Ram 6.7L Cummins Cab & Chassis (C&C) trucks. It replaces the factory exhaust section containing the catalytic converter and diesel particulate filter (DPF), creating a straight-through path for improved exhaust flow. Intended for work truck Cab & Chassis models only — not compatible with pickup trucks.
When paired with proper race tuning, this upgrade helps reduce exhaust restriction, lower backpressure, and improve overall performance.
Vehicle Fitment
- 2011–2012 Ram 6.7L Cummins Cab & Chassis (C&C) models only
- Not compatible with pickup truck configurations
Second pipe selection (required to complete SCR/urea Delete ):
Calculate the distance between the back of the cab to the center of the rear wheel (cab-to-axle).
- Under 70": Ram Cummins 6.7L Cab & Chassis 4" SCR Urea Race Pipe Under 70" (2011–2012)
- 70" or Over: Ram Cummins 6.7L Cab & Chassis 4" SCR Urea Race Pipe Over 70" (2011–2012)
Key Features
- 4" aluminized steel construction for strength and corrosion resistance
- Factory-style hanger locations for secure mounting
- Smooth race design with no sensor bungs for unrestricted flow
- Multiple length options to match cab-to-axle measurements
Performance Advantages
- Improved power and torque: Less exhaust restriction enhances mid-range output
- Lower exhaust gas temperatures: Reduced backpressure under load or towing
- Sharper throttle response: Faster turbo spool and stronger acceleration
- Straightforward installation: Direct-fit section utilizing OEM-style hangers
Technical Details
- Pipe Diameter: 4 inches
- Material: Aluminized steel
- Design: Straight-through race section eliminating CAT and DPF
- Mounting: OEM-style hanger configuration
- System Requirement: Matching SCR/urea race pipe required for full setup
Installation & Additional Information
- Installation Level: Moderate (penetrating oil and exhaust tools recommended)
- Tuning Requirement: Race calibration is required to prevent diagnostic trouble codes (DTCs) and ensure proper operation
- Legal Notice: For off-road and competition use only. Verify local, state, and federal regulations before purchase or installation.
Frequently Asked Questions
Will this fit a Ram pickup?
No. This part is engineered exclusively for Cab & Chassis models.
How do I determine the correct secondary pipe length?
Measure from the rear of the cab to the centerline of the rear axle. Choose the Under 70" pipe if the measurement is below 70 inches, or the 70" and Over pipe if it exceeds 70 inches.
Are additional parts required for a complete system?
Yes. This DPF race pipe must be used together with the appropriate SCR/urea race pipe.
Is engine tuning necessary after installation?
Yes. A race tune is mandatory to avoid fault codes and ensure proper performance.
Can this be used for daily on-road driving?
No. This product is intended strictly for off-road or competition applications.
Note : This product is Intended for off-road use only.