DPF Delete - The Why and How

Deleting the DPF, CAT, and/or EGR is a popular upgrade on Ford Powerstroke, GM Duramax, and Dodge Cummins Trucks. When deleting the any of the above you will gain fuel mileage, horsepower, and extended engine life. It is important to understand that after deleting DPF, CAT, or EGR your truck will only run correctly with a compatible programmer. These programmers are getting harder to find, but fear not because we have plenty available; More on this later.

What Is the DPF and Why Delete It?

The Diesel Particulate Filter (DPF) is a device designed to remove diesel particulate matter or soot from the exhaust gas of a diesel engine. While the DPF is installed and active the air exhaust flow will be restricted reducing fuel milage and performance. By deleting the DPF you will improve fuel mileage, performance, and open up the possibility of adding over 350 horsepower and 500 lb/ft of torque.

What Is the CAT and Why Delete It?

The catalytic converter (CAT) is a device designed to burn off excess gasoline and other gas in the exhaust. Like the DPF when installed the air exhaust flow will be restricted reducing fuel mileage and performance. The CAT also runs the risk of getting clogged, further reducing flow and performance. By deleting the CAT you will improve fuel mileage, and performance. Gains are even further improved by combining with a DPF delete.

What is the EGR and Why Delete It?

The EGR (Exhaust Gas Re-circulation) is a system designed to recycle some exhaust back through the intake to control combustion temperatures. Unfortunately this system leads to a dirtier engine and reduced flow / performance. In addition if the EGR cooler breaks, you engine may get hydro-locked and possibly destroyed. The EGR can either be blocked off, or deleted completely.

Now it is possible to delete any of these devices separate of each other, however we have designed combo packages which will save you money and include everything you need. Shop DPF/CAT Performance Packages.

Required: Compatible Programmer

Remember that if you delete the DPF, CAT, or EGR that you will need a compatible programmer for your truck to run properly. We recommend a GearboxZ tuner which comes in 3 varieties.

  • DPF-R 3.0/4.0 - Allows you to delete the DPF/CAT/EGR
  • DPF-R Plus - Allows you delete the DPF/CAT/EGR and also allows you to add up to 70+ horsepower. This programmer also includes a fuel economy tune.
  • Tachyon Plus - Allows you delete the DPF/CAT/EGR and has 5 power levels from below stock, stock, and even over +100 horsepower.

These programmers are available by themselves or included in our combo packages. These are the most affordable solution available and can even be stacked with other programmers/monitors.

If you are looking for a programmer that allows the delete of the DPF/CAT/EGR and also includes monitoring features and can add a large amount of horsepower 200+ than you will want an H&S minimaxx (Ford Powerstroke, GM Duramax, Dodge Cummins) or a Spartan (Ford Powerstroke 6.4l and 6.7l). These are available in very limited quantity so please contact us for more information. Shop DPF Delete Programmers

In summary deleting your DPF/CAT/EGR will increase performance, fuel mileage, and extend the life of your engine. Dales Super Store carries custom solutions with the best products and prices available. If you have any questions please feel free to give us a call or send us an email and we will be glad to help.

DISCLAIMER: Please check your local regulations, in most locations deleting any of the emissions devices is legal on RACE and OFFROAD vehicles only.

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