Quick question before dpf cat delete - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 01-27-2012, 09:18 PM Thread Starter
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Quick question before dpf cat delete

I know the mini maxx has a dpf removed setting but does this setting work when the cat removed too. I don't need extra tuning when removing the cat right? All I need to do is select the dpf removed setting and this I guess will turn off the sensors for the cat so I don't throw codes?
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post #2 of 12 Old 01-27-2012, 10:57 PM
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Nope, nothing extra needed.

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post #3 of 12 Old 01-28-2012, 03:34 AM
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You got it! That magic little box takes care of everything!
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post #4 of 12 Old 01-28-2012, 07:51 AM
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Theres no special tuning required for CAT removal. The only reason there is special tuning required for the DPF removal is because you have to turn off the regen functionality. If you didn't, you'll their codes and eventually go into limp mode.

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post #5 of 12 Old 01-28-2012, 08:02 AM Thread Starter
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Thats guys! I am really debating on whether I want to remove the cat or not. I am forsure removing the DPF. I had a mustang before this truck which was deleted and I always said I was going to leave the cats on my next vehicle. I understand deleteing the dpf to eliminate the regens but do the cats really get clogged up after awhile?
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post #6 of 12 Old 01-28-2012, 09:02 AM
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Delete the entire thing. If you do just the DPF you'll be messing around with those 8 (if I remember correctly) most likly seized bolts that connect the two. Then you have to replace the gasket inbetween them which is fairly expensive for just a dumb gasket, and on top of it all its going to take longer to seperate the CAT/DPF then it would removing the whole thing as one. If you worried about noise, dont be. I removed both and just put a 4" straight pipe into the factory tail section and inside the cab you wouldnt even know the difference in sound. Out side its louder at idle and under WOT. But crusing around town its not that much louder to draw any unwanted attention.
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post #7 of 12 Old 01-28-2012, 04:08 PM Thread Starter
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Originally Posted by CT9AIX View Post
Delete the entire thing. If you do just the DPF you'll be messing around with those 8 (if I remember correctly) most likly seized bolts that connect the two. Then you have to replace the gasket inbetween them which is fairly expensive for just a dumb gasket, and on top of it all its going to take longer to seperate the CAT/DPF then it would removing the whole thing as one. If you worried about noise, dont be. I removed both and just put a 4" straight pipe into the factory tail section and inside the cab you wouldnt even know the difference in sound. Out side its louder at idle and under WOT. But crusing around town its not that much louder to draw any unwanted attention.
Sounds good!
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post #8 of 12 Old 01-28-2012, 04:32 PM
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I did it both ways. First just dpf delete. The bolts were not seized and the gasket was reusable if you are careful. Mine was mostly intact. I ran it for about a year like that. I just wanted a little more sound, so then I deleted the cat. If I were to do it all over again, I would just do the dpf. They now have tapered dpf delete pipes for $89 on ebay with free shipping. It is so easy with a ratchet strap to pull the entire tail section back. As far as the cat getting clogged, I would think that it wouldn't be any different than a pre dpf truck.
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post #9 of 12 Old 01-28-2012, 05:27 PM Thread Starter
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Quote:
Originally Posted by deamsphelps View Post
I did it both ways. First just dpf delete. The bolts were not seized and the gasket was reusable if you are careful. Mine was mostly intact. I ran it for about a year like that. I just wanted a little more sound, so then I deleted the cat. If I were to do it all over again, I would just do the dpf. They now have tapered dpf delete pipes for $89 on ebay with free shipping. It is so easy with a ratchet strap to pull the entire tail section back. As far as the cat getting clogged, I would think that it wouldn't be any different than a pre dpf truck.
Thanks, why would you just do the dpf if you could do it all over again?
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post #10 of 12 Old 04-02-2012, 03:46 PM
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gasket

if the gasket tears where the delete pipe goes, do i have to go to ford for a new one or just a parts store?

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