5" DPF Back Question... - Ford Powerstroke Diesel Forum

6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 13 Old 07-02-2009, 06:53 PM Thread Starter
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5" DPF Back Question...

Alright, I just bought my first powerstroke...I came over from the Duramax side of things, and have a question. This is my first DPF equipped vehicle and I DO NOT want to delete it because as I use this truck for company work I want to make sure I dont mess up my relationship with the dealership...(catch my drift...) I have priced a 5" MBRP/filter back it came to $388.00...

ALL I WANT TO KNOW IS, HOW DOES IT SOUND?

I have searched everywhere for this little bit of feed back but it seems like everyone has done a DPF delete so I cant get a good understanding of what it sounds like. If someone has a video, or a good description of the sound improvements I would greatly appreciate it! Thanks!
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post #2 of 13 Old 07-02-2009, 06:54 PM
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Without taking off the DPF it will sound just like it does now.

2008 Ford F-350 XLT Regular Cab-Built motor, 4r100 swap and big triples in progress @Maryland Performance Diesel

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post #3 of 13 Old 07-02-2009, 06:58 PM Thread Starter
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Originally Posted by matt05 View Post
Without taking off the DPF it will sound just like it does now.
Now...you are the first person who has said that...even MBRP says it will give it a much better sound...
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post #4 of 13 Old 07-02-2009, 07:01 PM
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Without dpf and doc delete it will sound the same as stock, you won't be able to tell a difference at all and won't improve flow or anything. If you want to do it it's a cosmetic only type deal really

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post #5 of 13 Old 07-02-2009, 07:04 PM Thread Starter
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Well sh!t then...I am guessing my warranty goes out the window if I do the delete right? If not, how much are those kits?
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post #6 of 13 Old 07-02-2009, 07:07 PM
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Originally Posted by 08Lndscpr4277 View Post
Well sh!t then...I am guessing my warranty goes out the window if I do the delete right? If not, how much are those kits?
Only if they catch you Just put everything back to stock before you take it in to the dealer which only takes a couple hours and it is all untracable so far. You can get a full spartan set up with intake exhaust and a race tune for right around 2K, you can do it cheaper through SCT and custom tunes but spartan is IMO the best tuning available right now and the DashDaq is amazing

2008 F-250 Spartan 310 Tune
SS 4" Flo-Pro downpipe back
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post #7 of 13 Old 07-02-2009, 07:13 PM Thread Starter
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Originally Posted by younggun55 View Post
Only if they catch you Just put everything back to stock before you take it in to the dealer which only takes a couple hours and it is all untracable so far. You can get a full spartan set up with intake exhaust and a race tune for right around 2K, you can do it cheaper through SCT and custom tunes but spartan is IMO the best tuning available right now and the DashDaq is amazing
Yup, Im broke...so thats not gonna happen! I really wish that 5" filter back would make it sound a little better...I miss that turbo whistle, this truck just isnt loud enough for me...any way to get her to whitle a little louder to me? Or do these Dual turbos not sing like their older sisters?
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post #8 of 13 Old 07-02-2009, 07:20 PM
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Originally Posted by 08Lndscpr4277 View Post
Yup, Im broke...so thats not gonna happen! I really wish that 5" filter back would make it sound a little better...I miss that turbo whistle, this truck just isnt loud enough for me...any way to get her to whitle a little louder to me? Or do these Dual turbos not sing like their older sisters?
Not without the full delete, even just the dpf delete without pulling the cat off sounds stock. If you don't wanna spend as much money you could try to pick up a used livewire, or look into the offroad edge programmer they have out now, and a aluminum flo-pro exhaust and be around 1K

2008 F-250 Spartan 310 Tune
SS 4" Flo-Pro downpipe back
S&B CAI
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post #9 of 13 Old 07-02-2009, 07:22 PM Thread Starter
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Originally Posted by younggun55 View Post
Not without the full delete, even just the dpf delete without pulling the cat off sounds stock. If you don't wanna spend as much money you could try to pick up a used livewire, or look into the offroad edge programmer they have out now, and a aluminum flo-pro exhaust and be around 1K
Ok scrap the sound...what programmer can i use to get some more power? Im not talking about all this spartan stuff...just like a bullydog or something like that...keeping the stock exhaust..
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post #10 of 13 Old 07-02-2009, 07:24 PM
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If your not gna do a dpf delete don't mess with it imo. You'll end up plugging your dpf and they aren't cheap to replace

2008 F-250 Spartan 310 Tune
SS 4" Flo-Pro downpipe back
S&B CAI
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