Exhaust
Posting Guru
Joined: May 2006
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From: MACON, GA
Read your book. If you want the warranty, don't touch. If you don't care about the warranty do what you want.
Did you get the CD that comes with new 2008's? It answers your question. There is an extreme amount of heat during regen.
My personal reccomendation is don't touch it.
Did you get the CD that comes with new 2008's? It answers your question. There is an extreme amount of heat during regen.
My personal reccomendation is don't touch it.
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Senior User
Joined: Mar 2007
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i didnt know if it would i was told after the dpf can you can do what you want as long as you keep the dpf in its place and no mods from the turbo back. I do know that regen is about 1200 degrees at ideal nad with a turn down to the ground with holes drilled in figured thered be no harm
Posting Guru
Joined: May 2006
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From: MACON, GA
Have you watched the CD tha came with your truck? Important that you do, and understand why it was engineered the way it is. I can probably find you link if you do not have the CD which I would go back to selling dealer and demand, or cal FORD customer service. A lot of important info in a 20 minute presentation.
Senior User
Joined: Oct 2007
Posts: 441
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From: Birmingham, AL
Have you seen the video on youtube where the truck is shooting a flame out of the tailpipe. That exhaust is really hot and wouldnt be a good thing to have exiting under your truck. Also, the tip is designed a certain way, I don't think drilling holes in the pipe would give the same effect.
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From: in front of this PC
Have you seen the video on youtube where the truck is shooting a flame out of the tailpipe. That exhaust is really hot and wouldnt be a good thing to have exiting under your truck. Also, the tip is designed a certain way, I don't think drilling holes in the pipe would give the same effect.
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Elder User
Joined: May 2007
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Would not recommend this at all. There would be no point in doing this, it will not give you any more noise or performance. The stock exhaust system after the DPF has no restriction at all, the muffler is fake, and the inter cooled tips make a significant difference in exhaust temps exiting the truck.
The strait piped trucks can exit underneath because there is no heat from the regeneration cycle. EGT's without the DPF are WWAAYYY below those of a truck with a DPF. After I drive for a few hours in my truck I can get out and lay my hand on my stacks and not have to pull away, it's only about 200-300* under the truck. With the DPF you're looking at temps around 1200-1500*, you try and put your hand on it and you're looking at some major burns.
The strait piped trucks can exit underneath because there is no heat from the regeneration cycle. EGT's without the DPF are WWAAYYY below those of a truck with a DPF. After I drive for a few hours in my truck I can get out and lay my hand on my stacks and not have to pull away, it's only about 200-300* under the truck. With the DPF you're looking at temps around 1200-1500*, you try and put your hand on it and you're looking at some major burns.
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Senior User
Joined: Oct 2007
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From: in front of this PC
Would not recommend this at all. There would be no point in doing this, it will not give you any more noise or performance. The stock exhaust system after the DPF has no restriction at all, the muffler is fake, and the inter cooled tips make a significant difference in exhaust temps exiting the truck.
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Elder User
Joined: May 2007
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No, I'm just saying putting a turn down underneath the truck is pointless and can be hazardous when driving off-road.
But I doubt the book says what you said. If you read the stamping on the muffler under the truck is says removing this will void warranty or something similar.
But I doubt the book says what you said. If you read the stamping on the muffler under the truck is says removing this will void warranty or something similar.
Senior User
Joined: Oct 2007
Posts: 441
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From: Birmingham, AL
I didn't say dont get an aftermarket exhaust, I said don't make a jerry-rigged homemade one that exits under the truck and has holes drilled in it. By all means get an aftermarket exhaust from a reputable company if you want to. But why spend 50 grand on a truck and put a junk exhaust on it that could be very harmful or even dangerous to the truck?
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From: in front of this PC
I didn't say dont get an aftermarket exhaust, I said don't make a jerry-rigged homemade one that exits under the truck and has holes drilled in it. By all means get an aftermarket exhaust from a reputable company if you want to. But why spend 50 grand on a truck and put a junk exhaust on it that could be very harmful or even dangerous to the truck?
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Joined: Aug 2007
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From: Fort Wayne, IN
Do I smell the next California Wildfire?
"Firefighters today have determined the cause of the fire to be a from a modified exhaust system on a Ford Super Duty truck. Apparently the truck fired it's exhaust straight down underneath itself, blazing the grass underneath. More at 11..."
"Firefighters today have determined the cause of the fire to be a from a modified exhaust system on a Ford Super Duty truck. Apparently the truck fired it's exhaust straight down underneath itself, blazing the grass underneath. More at 11..."
Senior User
Joined: Oct 2007
Posts: 130
Likes: 0
From: in front of this PC
Do I smell the next California Wildfire?
"Firefighters today have determined the cause of the fire to be a from a modified exhaust system on a Ford Super Duty truck. Apparently the truck fired it's exhaust straight down underneath itself, blazing the grass underneath. More at 11..."
"Firefighters today have determined the cause of the fire to be a from a modified exhaust system on a Ford Super Duty truck. Apparently the truck fired it's exhaust straight down underneath itself, blazing the grass underneath. More at 11..."
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Senior User
Joined: Mar 2007
Posts: 178
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ok guys you convinced me ill buy a new MBRP exhaust i would like to get ride of that damn can tho F^@# the government and if it breaks then shell sit. warranty doesnt do anything for that matter for me. Thanks again guys