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DPF Exhaust Delete?? #7440691 02/21/19 08:55 PM
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txcornhusker Offline OP
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Pros and cons? Was told now that the F250 6.7 has twin turbos, there isnt very much variance in mileage. Any validity to this?

Re: DPF Exhaust Delete?? [Re: txcornhusker] #7440698 02/21/19 09:03 PM
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redchevy Offline
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There will be a gain in fuel mileage as it will no longer use diesel to burn off the DPF. If you delete/block the egr it will be good for you motor as well, keeping soot out of your intake and oil.

Its not cheap and its technically against the law. Are you going to keep the truck long term? If your not going to keep it till high miles and its not currently giving you problems I wouldn't.


It's hell eatin em live
Re: DPF Exhaust Delete?? [Re: txcornhusker] #7440710 02/21/19 09:14 PM
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Mickey Moose Online Content
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Pros
* Healthier for engine
* Less parts to fail
* Increased power
* Increased fuel economy

Cons
* Sound
* Smoke

When all that stuff fell of my 2011 6.7 I had significant fuel mileage increases. I now get 24 - 25 on the highway and 18 - 19 around town. And that's with Nitto Trail Grappler 295-70-18s which are bigger and softer - meaning heavier and more rolling resistance - than the factory tires. I lost 3 MPGs when I replaced the factory tires and put on the Trail Grapplers.

Seriously though, the cons would be if 1) vehicle is still under warranty, 2) you get caught by the feds, 3) you live in a diesel emissions county.

To my knowledge (which is basically none) the 6.7 does not have a twin turbo though it has VGT (variable geometry turbocharger). I'll leave turbo talk to smart people.

Last edited by Mickey Moose; 02/21/19 09:17 PM. Reason: the sound is a con! so is smoke!

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Re: DPF Exhaust Delete?? [Re: txcornhusker] #7440748 02/21/19 09:44 PM
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On a deleted truck, If the truck is tuned right, it wont smoke hardly at all, and if youre worried about noise, then put a muffler on it.



Last edited by Thundervee; 02/21/19 09:45 PM.

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Re: DPF Exhaust Delete?? [Re: txcornhusker] #7440764 02/21/19 09:54 PM
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As long as youre never thinking of trading it in to a dealer, the only problem may be getting it inspected.


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Re: DPF Exhaust Delete?? [Re: txcornhusker] #7440784 02/21/19 10:13 PM
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Nathan at Fork Offline
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I haven't had an issue with inspection. My county doesn't do emmisions testing though. I have noticed a good increase in mpg. I have not noticed much at all of an increase in sound, it does sound a little different from what it did but that's it. It does smell different. I waited until my 100k mile warranty expired and my DEF system messed up again (it did twice under warranty). I kept everything they took off and have it stored just in case I need to put it back on in the future.


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Re: DPF Exhaust Delete?? [Re: txcornhusker] #7440796 02/21/19 10:23 PM
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Cast Offline
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Dual turbos, not twin. One is high flow one is high pressure.


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Re: DPF Exhaust Delete?? [Re: txcornhusker] #7441119 02/22/19 03:07 AM
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FoxTrot Offline
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Deleting my 6.7 was the best decision that Ive made with mine. Yes it is slightly louder and yes I can make it roll coal but I typically keep my foot out of it so no smoke. I wouldnt call those Cons either. I increased my fuel economy 3-4 mpg but i also increased my tire size quite a bit at the same time and added full replacement front and rear bumpers and a leveling kit.
I also added S&B intake as well.
I left the muffler on mine so it doesnt sound like Im 18 with little man syndrome


Originally Posted By: Chief Joe
I avoid Dick's and hope they fold.
Re: DPF Exhaust Delete?? [Re: txcornhusker] #7441213 02/22/19 05:50 AM
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I did my 6.7 powerstroke in October, wish I would have done it sooner. I have a muffler, yes it is louder but not bad, especially in the cab. The only time it smokes is if I punch it to pass someone, and its only a short burst, not a constant flow.

Last edited by huntingag01; 02/22/19 05:50 AM.
Re: DPF Exhaust Delete?? [Re: txcornhusker] #7441221 02/22/19 06:29 AM
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city inspections are getting tight on this stuff and are starting to check it, dps is cracking down on it. rural, not so much


LI-SI-WI-NWI
Re: DPF Exhaust Delete?? [Re: txcornhusker] #7441284 02/22/19 01:10 PM
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Jasb Offline
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As soon as my warranty is out I'll be doing mine.

Re: DPF Exhaust Delete?? [Re: txcornhusker] #7441292 02/22/19 01:22 PM
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It makes me wonder why the EPA implemented these regulations or how the auto industry allowed it. The trucks dont perform as efficient as they can. So, no black smoke but more fossil fuels are being burned.


Originally Posted By: Chief Joe
I avoid Dick's and hope they fold.
Re: DPF Exhaust Delete?? [Re: txcornhusker] #7441295 02/22/19 01:25 PM
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I've had 4 deleted. Better mileage, cleaner burning (tuned properly) and longer engine life. 6.7 came with a single charger unless you want to add fuel and air.


"You may all go to hell and I will go to Texas".
Re: DPF Exhaust Delete?? [Re: txcornhusker] #7441351 02/22/19 02:45 PM
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kind of a big deal
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Originally Posted by txcornhusker
Pros and cons? Was told now that the F250 6.7 has twin turbos, there isnt very much variance in mileage. Any validity to this?


Call me


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Re: DPF Exhaust Delete?? [Re: FoxTrot] #7441373 02/22/19 03:09 PM
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BOBO the Clown Offline
kind of a big deal
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Originally Posted by FoxTrot
It makes me wonder why the EPA implemented these regulations or how the auto industry allowed it. The trucks dont perform as efficient as they can. So, no black smoke but more fossil fuels are being burned.


You are talking about the same EPA that wanted to fine Okla farmers for dust in the panhandle, also the same EPA that tried to destroy a man life for building a pond even though he got all state and country permits, same EPA that tried to stop a city from treating thier waste, citing it wasnt natural to treat waste that ends up in rivers, it should naturally be broken down by the rivers.....

EPA was weaponized by the left and this was another part of it


Donate to TX Youth hunting program.... better to donate then to waste it in taxes

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Re: DPF Exhaust Delete?? [Re: FoxTrot] #7441734 02/22/19 09:14 PM
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Originally Posted by FoxTrot
but more fossil fuels are being burned.


Problem solved...


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Re: DPF Exhaust Delete?? [Re: BOBO the Clown] #7441761 02/22/19 09:46 PM
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Nathan at Fork Offline
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Originally Posted by BOBO the Clown
Originally Posted by FoxTrot
It makes me wonder why the EPA implemented these regulations or how the auto industry allowed it. The trucks dont perform as efficient as they can. So, no black smoke but more fossil fuels are being burned.


You are talking about the same EPA that wanted to fine Okla farmers for dust in the panhandle, also the same EPA that tried to destroy a man life for building a pond even though he got all state and country permits, same EPA that tried to stop a city from treating thier waste, citing it wasn’t natural to treat waste that ends up in rivers, it should naturally be broken down by the rivers.....

EPA was weaponized by the left and this was another part of it



And the same EPA that came up with spill proof nozzles on gas cans that have made me spill 10x more fuel than the regular nozzles ever did.


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Re: DPF Exhaust Delete?? [Re: txcornhusker] #7442141 02/23/19 06:01 AM
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Guess I need to holler at one of ya all that have done this my 11 will be having it done soon


i am cancelling my subscription, i am tired of your issues!
Re: DPF Exhaust Delete?? [Re: txcornhusker] #7442202 02/23/19 01:48 PM
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TX Hntr Offline
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If in Austin go by and talk to Danny Runyon at AB&T Diesel.
He did my Ford. It runs awesome. He's honest and great on those motors.

AB&T Diesel Repair and Performance
710 S Interstate 35
Round Rock, TX 78681

abtair@sbcglobal.net
512) 388-1977

Re: DPF Exhaust Delete?? [Re: txcornhusker] #7442685 02/24/19 01:39 AM
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Thanks for all the info gentlemen! Can anyone recommend a shop in the north Dallas area? Heard good things about a shop in Princeton but want to check with anyone who might have some positive info about any other shops close by. Im in the Frisco/Prosper area.

Re: DPF Exhaust Delete?? [Re: txcornhusker] #7442701 02/24/19 01:53 AM
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Originally Posted by txcornhusker
Thanks for all the info gentlemen! Can anyone recommend a shop in the north Dallas area? Heard good things about a shop in Princeton but want to check with anyone who might have some positive info about any other shops close by. Im in the Frisco/Prosper area.


I have heard good things about that one, if its the same one. I did mine myself, the only difficult part was taking out the old exhaust, but wasn't too bad I was able to use a lift though to make it easier.

Re: DPF Exhaust Delete?? [Re: txcornhusker] #7442715 02/24/19 02:13 AM
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Rustler Offline
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Mad Matt's diesel performance in Aledo, well worth the drive.

Re: DPF Exhaust Delete?? [Re: huntingag01] #7442773 02/24/19 03:40 AM
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Originally Posted by huntingag01
Originally Posted by txcornhusker
Thanks for all the info gentlemen! Can anyone recommend a shop in the north Dallas area? Heard good things about a shop in Princeton but want to check with anyone who might have some positive info about any other shops close by. Im in the Frisco/Prosper area.


I have heard good things about that one, if its the same one. I did mine myself, the only difficult part was taking out the old exhaust, but wasn't too bad I was able to use a lift though to make it easier.

Originally Posted by huntingag01
Originally Posted by txcornhusker
Thanks for all the info gentlemen! Can anyone recommend a shop in the north Dallas area? Heard good things about a shop in Princeton but want to check with anyone who might have some positive info about any other shops close by. Im in the Frisco/Prosper area.


I have heard good things about that one, if its the same one. I did mine myself, the only difficult part was taking out the old exhaust, but wasn't too bad I was able to use a lift though to make it easier.


Ive heard that any Ford 6.7 after 15 needs a specific program done. Obviously not something I can do alone.

Re: DPF Exhaust Delete?? [Re: Rustler] #7442774 02/24/19 03:41 AM
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Originally Posted by Rustler
Mad Matt's diesel performance in Aledo, well worth the drive.




Thats what Bobo said. Wouldnt be able to be done in a day so that might not work for me. That far away of course. Ill check with him though.

Re: DPF Exhaust Delete?? [Re: txcornhusker] #7442783 02/24/19 03:59 AM
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If you do a delete it will require programming/tuning, no way around it.
Most decent delete kits come with basic delete tuning & a plug in programmer / tuner.
You have to 'turn off' regeneration & def injection via computer manipulation, other things in the ecm/pcm programing must be changed to prevent check engine light,diagnostic trouble codes, engine power derate and going into limp mode due to deactivation & deletion of emissions system.

You can't just remove the dpf replace with a delete pipe & drive.

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