SPETUNER
For 4"/5" 2004.5-2007 5.9L Cummins DPF Delete Race Pipe Dodge Ram 2500/3500
Upgrade your 2004.5–2007 Dodge Ram 2500/3500 5.9L Cummins with this high-performance DPF delete pipe, available in both 4-inch and 5-inch options. This pipe replaces your factory Diesel Particulate Filter (DPF), eliminating restriction, lowering exhaust temperatures, and improving both horsepower and fuel economy.
Engineered for off-road/race use, this is an essential part of any Cummins emissions delete setup. Built from durable T-409 stainless steel, this pipe is a direct-fit solution designed to work with your existing turbo-back exhaust system.
Why Choose This DPF Delete Pipe
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✅ Fits all 2004.5–2007 Ram 2500/3500 5.9L Cummins trucks
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✅ Choose 4" or 5" diameter based on your setup
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✅ Made from magnetic T-409 stainless steel
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✅ Bolt-on design with clamps, hangers, and hardware included
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✅ Removes the restrictive DPF for better exhaust flow
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✅ Boosts MPG, throttle response, and turbo spool
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✅ Compatible with most delete tuners (required)
Performance Gains
| Feature | Stock DPF System | With Delete Pipe |
|---|---|---|
| Exhaust Backpressure | High (Restricted) | Low (Free Flow) |
| Fuel Economy | 13–14 MPG | 18–20 MPG |
| Turbo Response | Laggy | Snappy / Faster Spool |
| Maintenance | Frequent DPF issues | No DPF-related service |
| Power Output | Limited by emissions | Increased HP & Torque |
Fitment
Compatible Vehicles:
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2004.5 Dodge Ram 2500 / 3500 5.9L Cummins
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2005 Dodge Ram 2500 / 3500 5.9L Cummins
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2006 Dodge Ram 2500 / 3500 5.9L Cummins
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2007 Dodge Ram 2500 / 3500 5.9L Cummins
Note: Will not fit 2007.5+ models with 6.7L engine.
Specifications
| Spec | Value |
|---|---|
| Material | T-409 Stainless Steel (Magnetic) |
| Pipe Wall Thickness | 2mm |
| Inlet Diameter | 4" or 5" (selectable) |
| Install Time | ~1 hour (DIY friendly) |
| Use Type | Off-road / Competition only |
| Tuner Required | Yes – disables DPF sensors |
Installation Notes
Installation can be done in about an hour using basic hand tools in your driveway or garage. Some cutting may be required for short-bed models, and some factory hardware may need to be reused.
⚠️ IMPORTANT: A DPF delete-capable tuner is required to prevent check engine lights and diagnostic trouble codes. This product is for off-road use only and is not legal for highway use in emission-controlled vehicles.
FAQ – Common Questions About DPF Delete
Q: Will this delete pipe fit my 2006 Dodge Ram 2500?
Yes, this pipe is designed to fit all 2004.5–2007 5.9L Cummins models, including the 2500 and 3500.
Q: What’s the difference between the 4” and 5” options?
The 4” pipe fits most OEM and aftermarket exhaust systems. The 5” offers slightly more airflow and is ideal for tuned or heavily modified trucks.
Q: Is this a complete delete kit?
No. This is a standalone DPF delete pipe. You’ll also need a tuner and an optional EGR delete for a complete delete.
Q: How much can I expect to increase my fuel mileage?
Most users report MPG increases from 13–14 to 18–20 MPG after DPF removal and proper tuning.
Q: Do I need a tuner to use this pipe?
Yes. A delete-capable tuner is mandatory to disable DPF-related sensors and prevent warning lights or limp mode.