July 25, 2016

DPF Delete

DPF Delete

I have been getting a lot of phone calls at the shop over the past several months from customers wanting to do a DPF delete. If you are reading this then you have probably tried to find the tuner’s needed to perform a DPF delete, and you are having a hard time finding them.

The options are slim to none now days, but it’s not the end of the world. Here’s what you need to realize.

Most customers wanting to do a DPF delete are simply trying to increase fuel economy. Very few are actually worried about performance. There are ways to increase fuel economy without deleting the DPF and EGR systems.

DPF Delete
Clogged Diesel Particulate Filter

Since our shop is not allowed to perform DPF and EGR deletes we have found ways around the problems commonly associated with factory emissions equipment. These solutions are the same for Ford, Chevy and Dodge I will be referring to a 6.7L Cummins we recently did.

The main thing that is going to help with fuel economy is Better Fuel Atomization. What causes the poor fuel economy on these newer trucks is the fact that when the DPF becomes clogged the truck has to force a (Regen) cycle. When your 2007 and newer diesel goes into regen mode, the engine is literally using over a gallon of fuel in a matter of minutes. This is going to affect the overall average fuel economy.

DPF Delete

So the bottom line here is we need to stop the filter from becoming clogged in order to stop the regen cycles.  Poor fuel atomization results in heavy soot content which clogs the DPF.

So how do we get better fuel atomization? Well it’s easier than you may think, most Diesel Programmers increase fuel pressure, that is the easiest way to increase horse power so we start with a good tuner or programmer because increased rail pressure will result in better atomization. There are a lot of different tuners available on the market, but Edge Products makes an Evolution tuner that we have used a lot and the Evolution will work on all 2007 and newer Ford, Chevy and Dodge trucks with a DPF. H&S Performance makes the Mini Maxx tuner which is another excellent choice and they make one part number that fits all 2007 and newer Diesel Trucks.

Now that we have the required fuel pressure we have to make sure we can keep the injection pump adequately supplied with fuel to prevent cavitation, we always install a FASS Fuel System when we are modifying a DPF equipped truck. There are several reasons we use the FASS but fuel supply is the main reason. To read more on FASS Fuel Systems READ HERE.

Most people associate an aftermarket cold air intake with better performance and fuel economy, and it’s true. An aftermarket cold air intake for your diesel truck is always going to help increase your trucks efficiency. It’s not going to increase fuel economy 3 or 4 miles per gallon like some manufacturers would like you to believe, but there is a mile per gallon to be had there. So for $289 S&B Intakes makes a cold air intake for every diesel truck on the road. It will pay itself off in a couple of months.

DPF Delete
HERE IS A CLOGGED INTAKE FROM AN LMM DURAMAX BEFORE WE INSTALLED THE WATER METHANOL ON THE TRUCK

Let’s get one thing out of the way right now. DPF back exhaust systems are a joke! I can’t tell you how many people have bought one online and then called me up to yell at me because it didn’t change the sound of their truck and they didn’t get better mileage….. REALLY! The DPF is what makes your truck quiet, the DPF is what is killing your fuel economy. Hooking up a bigger pipe to the back of the DPF is not going to change anything except the way the tail pipe looks. So if you want a better looking exhaust then buy one, but don’t waste your money on a DPF back exhaust system thinking it is going to change anything else on your truck.

The single most important factor that is going to make your truck perform better is a Water Methanol Injection System. The methanol helps the diesel fuel to achieve a more complete burn so there is no heavy soot going through the exhaust. It also helps to cool the engine down and lower the exhaust gas temperatures. One of the best features though; is the fact that the water methanol is injected into the intake elbow or manifold which cleans any old EGR soot out of the engine. It also keeps the intake clean for the lifespan of the truck. To read more about Water Methanol Injection see my review on that.

So with the lift pump, the tuner, the cold air intake and the water methanol installed your truck will be getting better mileage than a stock 5.9L Cummins that didn’t have emissions systems. You aren’t doing anything illegal and your truck should rarely go through a regen cycle if it does at all. A few local trucks we have done here in Washington state have reported that it has been over a year since their last regen with these parts installed.

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31 Comments

  1. sonja riffle

    I have several times I have had to replace the DPF sensor because it goes bad, mainly for the reason the GMC 08 model didn’t come with regen. I had the dealership install sw in June of 2013. I also obtained the CTS Edge to help. The truck is used for pulling horse and some off road toys. The edge shows it goes to regen more than I would like.. What is the cost to do what you suggest. I am for just getting the best use out of my truck without being limited to sensors going bad. This last sensor I tried installing myself forcing a regen, however, the dealership had to do the regen and it took over two hours to clear.

    Sonja

    Reply
  2. VinnyDiesel
    VinnyDiesel

    Sonja,

    We could install the FASS fuel system, the water methanol injection and the S&B cold air intake for $3,000 that would be parts and labor.

    Depending on where you are located though I can get you some estimates from local shops. Our shop is located at:

    Lead Foot Diesel Performance
    1991 Leroy Anderson Road
    Monroe, GA 30655

    If you aren’t local to us shoot me an email and I will find a shop closer to you. I will also call them for you to make sure I am comfortable with their ability to properly install these parts needed to make your Duramax Diesel truck more reliable and efficient.

    Reply
  3. Amanda

    I’ve got a 2013 Ford F250 6.7 diesel. I wanna pull all the EPA BS. I’d like to pull the exhaust and put a 6inch on. But it’s sounding like that’s illegal? What would is cost to do all the upgrades you mentioned on my truck plus exhaust? And I’m not local, but I will come to you if need be and stay in a hotel while ya fix my baby up.

    Reply
  4. franz

    I like ur ideas and parts, only I am not sure I would be able to use them on my truck. 08 duramax. I have what they call a life time power train warranty. Can’t put snow plow, lift kit, big tires, (cold air intake maybe.) Haven’t ask about this yet. All this voids warranty. You said this is not illegal and lowers temps and keeps things clean. Have u worked with life time power train warranty companies? I haven’t won an arguememt with them yet:-( 🙁 🙁 🙁 🙁

    Reply
    1. Vinny Himes
      Vinny Himes

      I have to deal with those scammers all the time. Not only would everything I listed here void that warranty, it is probably already void if you were to take it in for any major repair. They have never covered anything for any of our customers that have invested in those programs. They will void the warranty over the most absurd things. If you ever went a couple miles over on an oil change, warranty void. If the air filter looks a little dirty, void. If the wrong fluids were ever used during a service, void. The bottom line is, 99% of those “Lifetime Warranties” are a scam. They cost you money and when it comes time to use it, they have so much fine print, they will always get out of helping you with repairs.

      Reply
  5. Conrad

    I just did a dpf delet kit on my 6.7 f250 with a h&s minni maxx and I wanted to try it out so I got on it but a few minutes later I noticed the secondary fuel filter line humming real loud but then it stopped but just yesterday trk started bogging dwn when I take off from a stop like its starving for diesel, but then I get going at a steady speed and it’s fine! Any ideas?

    Reply
    1. Vinny Himes
      Vinny Himes

      I am sorry for the late reply, for some reason I never received an email notification when you commented. I am sure you have gotten this issue resolved by now. Your issue is either a dirty fuel filter, and the added fuel demand from the programmer made the already dirty filter become an issue. Or the filter was not turned all the way to the locked position when it was installed. I have run into that several times at our shop.

      Reply
  6. Lynn

    I have a 2012 Dodge 6.7 Cummins which I love and believe it could be a sound truck but the problem I have with it is it keeps going through O2 sensors and has went through the O2 Sensor module which I am thinking is due to excessive regen and EGR with DPF issues as I live in town and can’t drive it long enough or fast enough to get the proper regen done all the time. I was thinking the deleting was the only option but you have me rethinking this issue and it makes complete sense to me. I live in Northern Indiana if you know of a reputable shop which could do this for I would appreciate the info and thank you for the informative article.

    Reply
    1. Vinny Himes
      Vinny Himes

      Scheid Diesel Performance is one of the most reputable diesel shops in the country. They started the Diesel Performance industry back in the 90’s. Give them a call and see what they can do for you. 765-471-0355

      Reply
  7. Jeff

    Vinny,

    I just bought a 2015 6.6L Denali and yes I got all the warranties. However, I am looking at doing some upgrades even thou I dont know all that much. Here is what I was thinking of doing for now…
    DPF, DEF, CAT and EGR Delete with a larger no muffler pipe and cold air… Thoughts? even more so, what are the better parts and companies to go wtih? Do the new 15s still need the FASS Pump?

    Im new to diesel trucks so any help is greatly appreciated!

    Reply
    1. Vinny Himes
      Vinny Himes

      Jeff,

      Feel free to give me a call at the shop, there’s a lot to explain about that truck and I would like to go over some questions with you before I give you a solid answer. 770-267-3322

      Reply
  8. Levi

    I’m wondering what the maximum mileage is to do a dpf/egr delete? I figure the sooner the better but if it has 60k miles is is going to make a difference or is it a waste of time and money and I should just save for a new motor at 100k..thanks

    Reply
    1. Vinny Himes
      Vinny Himes

      Fuel economy gains will always be noticed, no matter the mileage. Generally you will see 4-6 miles per gallon increase, but that all depends on how you are driving the truck.

      Reply
  9. Donald Fountain

    Looking for a way to increase the MPG without breaking the bank. Willing to do a little upgrades at a time, but what should I do first. I’m seeing a lot about the Edge programmer, but do I need to be a diesel mechanic to tune it?

    Reply
  10. Jerry

    Just bought a 2012 f-25 6.7, was wondering if I did the cold air, H&S mini max and both deletes, and 5 inch exhaust what would the horse power increase, and also the mpg increase? I am thinking about doing the methanol water injection… haven’t really thought, about the lift pump yet… just wondering what looking at..

    Reply
    1. Vinny Himes
      Vinny Himes

      With the tuner, intake and exhaust installed you will be around 530 hp at the rear tires, the water methanol will give you an additional 60-70 hp depending on how you set up the controller.

      Reply
  11. Vince

    I’m interested. I have a ’16 F350 Dually. Looking to put a AmeriHood Ram Air ( working ) and AirRaid cold air kit. Would this set-up work for me? And what would be the price?

    Reply
    1. Vinny Himes
      Vinny Himes

      The Amerihood will look neat, and will certainly help keep the temperatures down under the hood, but it’s not going to change much in the way of fuel economy. The scoops are nowhere near the actual air intake. The Air Raid intake will certainly help more than the hood though.

      Reply
  12. Chris currier

    What is the best option and est. price to fix a 2015 dodge 2500 the way you talked about. And a shop near Dallas tx

    Reply
  13. Scott Cohenour

    I have a 2012 f250 with 117k, I currently have an sb cai and an SCT tuner with a custom tinge from innovative diesel. The truck runs great until I put the hammer down and then it will take off but within a few seconds it will fall flat (like no fuel). It had done this with different tunes. I am currently looking to do the dpf delete and would really like to know if it will increase longevity. The sound and power are secondary but nice. V/r Scott C

    Reply
    1. Vinny Himes
      Vinny Himes

      Scott,

      If you are running the SCT with custom tunes and a stock exhaust, it will fall off like you are describing, because the tuner is reducing fuel to avoid clogging up the Diesel Particulate Filter. You will also experience more regen cycles (Cleaning Exhaust) because of the increased particulate matter caused by aggressive custom tuning.

      If you are thinking about installing an aftermarket exhaust, there is a new tuning device that will be available for purchase in a couple of weeks. It is a device that plugs into your OBD2 port called an EzLynk, we are BETA testing this tuning device right now on one of our shop trucks, it works very well. We can shift through the power levels on the fly with an app on our iPhone called AutoAgent. You can also watch all the engine vitals on the screen of your iPhone, iPod or iPad device. If you get more serious about moving forward with this feel free to give me a call at the shop and I will explain in more detail how all of this works. 770-267-3322

      Reply
  14. Justice

    I have. 2015 6.7 Cummins with the 6spd manual transmission. I would like to increase my MPG, and some more horsepower would be a bonus as well but not needed. I don’t want to risk any damage to the clutch, trans, etc. what would you recommend. Just for FYI mlostly highway driven, but do pull a boat, trailers and occasionally 31′ 9k pound travel trailer.

    Reply
    1. Vinny Himes
      Vinny Himes

      I would start by installing the FASS fuel system. That will help with fuel economy some, then I would do a custom EFI Live tune from PPEI and a cold air intake and aftermarket exhaust. That should put you around 20mpg

      Reply
  15. Gio

    I heard that the h&s mini max will turn off the regen cycle on my 2009 Ford F350. I was wondering what else I would need to run a straight pipe. Any help would be appreciated.

    Reply
  16. Casey

    I just bought a 2013 duramax. I have already spent $2,000 changing nox sensors, def heater and dpf injector and my truck still will not stop saying that I have poor quality def. I was willing to play by the rules but enough is enough. I need to get rid of all of this so I can actually depend on my huge investment. I don’t necessarily need more power but I understand I have to have a tuner to delete the codes. What exhaust will work best and what tuner. Also if I do a complete exhaust will my exhaust brake still work? Any info would be great thanks.

    Reply
  17. Sam Layne

    Hello, I have a 2016 ram 3500 mega cab SRW 4X4. Im interested in better MPG and longer engine life. DPF delete or not? Ive also heard raceme tuner and 5inch turbo back. Im open to all ideas. Thanks for your time.

    Reply
    1. Vinny Himes
      Vinny Himes

      I haven’t had much luck with the RaceMe tuners. The trucks will constantly go into regen and won’t come back out of regen. Even when you are running an aftermarket exhaust. I have had much better luck with the H&S Mini Maxx or EFI Live tuning.

      Reply

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