SPETUNER
For 4"/5" 2004.5-2007 5.9L Cummins DPF Delete Race Pipe Dodge Ram 2500/3500
Fitment
-
2004.5-2007 Dodge Ram 2500 / 3500 5.9L Cummins
Note: Will not fit 2007.5+ models with 6.7L engine.
Description
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.
Key Features
- Fits all 2004.5–2007 Ram 2500/3500 5.9L Cummins trucks
- Choose 4" or 5" diameter based on your setup
- Made from magnetic T-409 stainless steel
- Bolt-on design with clamps, hangers, and hardware included
- Removes the restrictive DPF for better exhaust flow
- Boosts MPG, throttle response, and turbo spool
- 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 |
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
Q1: Will this delete pipe fit my 2006 Dodge Ram 2500?
A1: Yes, this pipe is designed to fit all 2004.5–2007 5.9L Cummins models, including the 2500 and 3500.
Q2: What’s the difference between the 4” and 5” options?
A2: 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.
Q3: Is this a complete delete kit?
A3: No. This is a standalone DPF delete pipe. You’ll also need a tuner and an optional EGR delete for a complete delete.
Q4: How much can I expect to increase my fuel mileage?
A4: Most users report MPG increases from 13–14 to 18–20 MPG after DPF removal and proper tuning.
Q5: Do I need a tuner to use this pipe?
A5: Yes. A delete-capable tuner is mandatory to disable DPF-related sensors and prevent warning lights or limp mode.