Exhaust For an OBS? - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 10-31-2008, 06:40 PM Thread Starter
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Exhaust For an OBS?

I'm in the market for an exhaust for my truck, but I am very hesitant about getting an ehaust for my truck because of the downpipe.

Now I'd like to known who you think makes the best exhaust for my OBS.
What I mean by best is an exhaust that installs the easiest, fits the best, is made out of Stainless, and the price is somewhat reasonable.

Also I want to know how much work it took to put an exhaust on your OBS.
Pics of the downpipe of your truck would help alot!

John
'97-F-250 PSD CCSB 3.55s E40D, Dana 60, PMF 2.25" RSK, U Code SD Springs, 315/75/16 TerraGrapplers, Tow Mirrors, Colibert Tow hooks, RDS Stage 1s, PHP 80hp, RiffRaff 6637, 3"DP, 4" Exhaust, 6" Tip, Power Front Seats, Rear 40/20/40, Explorer OHC and Autolamp Rearview, EATC, Cree LEDs & more
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post #2 of 12 Old 10-31-2008, 07:16 PM
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Exhaust wise I really like Dymond Eye Exhaust. Now for instalation I firt unbolted the down pipe for the turbo. Then disconnected everything behind the down pipe. I then used a sawl saw cut my down pipe in 2 spots pulled it out. then Droped the upper new down pipe in and ran the clamp back on the turbo just enough so I could move it then I installed the lower down pipe with an exhaust clamp and then so forth deffintely worth replacing that flat down pipe. I have full exhaust no cat no muffler and love it.

1995 Ford F250 4X4 Sup cap Long bed off white
7.3L Powerstroke, 5 speed manual

Mods Stancor GPR, Diamond eye 3" DP, Diamond Eye 4" Exhaust, AFE Stage II Intake,3" plenum setup,Swamps IDM,Eletric Fuel System,Adrenaline HPOP,stage I sticks, ts 6 pos,
Banks 5" Tips, Leveling Kit,Dana 60 Swap, AutoMeter Boost, Pyro, Fuel Pressure
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post #3 of 12 Old 10-31-2008, 07:25 PM
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the down pipe is really the hardest part you have to cut the stock dp at the neck and then remove then you have to do a little firewall modifieing, using a porta press really makes it a lot easier. but as far as which exhaust is they best that i don't know but i like the looks of the mbrp

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post #4 of 12 Old 10-31-2008, 07:35 PM
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These guys claim that you dont need a porta-power to install there down pipe.
Diesel Truck Performance Parts & Accessories

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post #5 of 12 Old 10-31-2008, 07:42 PM Thread Starter
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Thanks for the replies fellas,
Today I got the latest issue of Diesel Power and they installed an 4" MBRP exhuast on an OBS and they showed a picture of the downpipe and the caption said they had to move a trans cooler line along with beating in the firewall.
Has anyone ran into a problem with trans cooler line when putting in their exhaust?

Also Rantheman you don't mention any beating of the firewall, so I take it that didn't have to beat it. Right? And how much did you pay for your diamond eye?

John
'97-F-250 PSD CCSB 3.55s E40D, Dana 60, PMF 2.25" RSK, U Code SD Springs, 315/75/16 TerraGrapplers, Tow Mirrors, Colibert Tow hooks, RDS Stage 1s, PHP 80hp, RiffRaff 6637, 3"DP, 4" Exhaust, 6" Tip, Power Front Seats, Rear 40/20/40, Explorer OHC and Autolamp Rearview, EATC, Cree LEDs & more
'89-Bronco 5.0l 33"s Free flowing exhaust, 06 SD power seats, & more (SOLD)
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post #6 of 12 Old 10-31-2008, 09:13 PM
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Actually I kinda did with a 2X4 and pryd to get my cut in so yeah I did a little m diamond eye kit was 260 bucks turbo back but you can look here to find what you want

Products: Ford Powerstroke Diesel > Exhaust Systems

1995 Ford F250 4X4 Sup cap Long bed off white
7.3L Powerstroke, 5 speed manual

Mods Stancor GPR, Diamond eye 3" DP, Diamond Eye 4" Exhaust, AFE Stage II Intake,3" plenum setup,Swamps IDM,Eletric Fuel System,Adrenaline HPOP,stage I sticks, ts 6 pos,
Banks 5" Tips, Leveling Kit,Dana 60 Swap, AutoMeter Boost, Pyro, Fuel Pressure
30% Windows,
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post #7 of 12 Old 10-31-2008, 09:14 PM
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Oh and as far as i know without a body lift or major surgery to some sheet metal I don't think you could wedge a 4" down pipe in there

1995 Ford F250 4X4 Sup cap Long bed off white
7.3L Powerstroke, 5 speed manual

Mods Stancor GPR, Diamond eye 3" DP, Diamond Eye 4" Exhaust, AFE Stage II Intake,3" plenum setup,Swamps IDM,Eletric Fuel System,Adrenaline HPOP,stage I sticks, ts 6 pos,
Banks 5" Tips, Leveling Kit,Dana 60 Swap, AutoMeter Boost, Pyro, Fuel Pressure
30% Windows,
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post #8 of 12 Old 10-31-2008, 10:00 PM
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i had a diamond eye performance exhaust on mine for the downpipe I cut at the bottom and up near the turbo to remove the stock downpipe and then used a 2x4 to pry out the firewall and the new one fit in just fine

03 king ranch w/ a cummins
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post #9 of 12 Old 10-31-2008, 10:30 PM
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I love my 6" miter cut stacks!!! Talk to Gus @ farmboydiesel

Chuck
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post #10 of 12 Old 10-31-2008, 11:37 PM
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yep like chuck said get some 6" stacks!!!

03 king ranch w/ a cummins
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