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Old Jan 18, 2008 | 06:43 PM
  #31  
06F150STX's Avatar
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From: Quitman,La.
Originally Posted by thumper2001
I have read that two into ones will give more tork, what do you take on that?
i was going to ask that same question. i have and running duel in and single out right now. but thinking about going true duel. would like to know too. i was running single in and duel out. any differance?
 

Last edited by 06F150STX; Jan 18, 2008 at 06:45 PM.
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Old Jan 18, 2008 | 06:49 PM
  #32  
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From: Farmington, MO
Originally Posted by 06F150STX
i was going to ask that same question. i have and running duel in and single out right now. but thinking about going true duel. would like to know too. i was running single in and duel out. any differance?
Headers, not the muffler.
 
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Old Jan 18, 2008 | 07:01 PM
  #33  
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From: hobbs nm
Originally Posted by 4.2trimble
hey built what about these for my 4.2

http://www.autoanything.com/exhausts...A2280A0A0.aspx

4.2trimble do a search on v6f150.com for longtubes, this guy stompinv6 mated some v6 mustang longtubes up to his and he is pretty happy with the results
 
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Old Jan 19, 2008 | 05:44 PM
  #34  
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From: Fort Benning
Originally Posted by 01Roush
Doug Thorley is the only manufacturer I've seen with a 4 into 2 into 1 longtube, but I haven't seen anything to say if they make more power or not. They run $790 with ceramic coating from LFP....

http://www.lightningforceperformance...ers-p-211.html

....whereas Dynatech wants over $1000 for headers with no ceramic coating....

http://www.afabcorp.com/AFCO_Dynatec..._99-03hdrsonly

Might be worth looking into the DT's. Personally I just received a set of OBX longtubes that are a copy of the Dynatech, cost me $450 including mid pipes. Quality looks excellent, can't comment on install since it'll be a few weeks before I get them on but others have had no problems.
What is the site you got your OBX headers from? All I can find are for sports cars. HELP
 
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Old Jan 19, 2008 | 10:37 PM
  #35  
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From: Oronoco, MN
Originally Posted by thumper2001
What is the site you got your OBX headers from? All I can find are for sports cars. HELP
http://motors.shop.ebay.com/Parts-Ac...09ZF1503efa085

You'll find two versions, one for Harley/Lightning that comes back into duals, and one for regular F150 that comes to a Y pipe. I have single exhaust but didn't like the Y pipe on the OBX/Dynatech as they bring both sides into a single 2-1/2", so I bought the version for duals and I'm using a Magnaflow Y that has a 3" exit to match up to my cat-back. The place I bought from was called Tuning Depot Overstock, and you can see a few pictures here....

http://www.corral.net/photopost/show...500&ppuser=685

I got my Maggie Y, Stage 8 bolts, O2 extensions, and an Innovate wideband ordered, just need to choose cats and get them before I figure out when to install....
 
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Old Jan 19, 2008 | 10:40 PM
  #36  
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From: Fort Benning
Originally Posted by 01Roush
http://motors.shop.ebay.com/Parts-Ac...09ZF1503efa085

You'll find two versions, one for Harley/Lightning that comes back into duals, and one for regular F150 that comes to a Y pipe. I have single exhaust but didn't like the Y pipe on the OBX/Dynatech as they bring both sides into a single 2-1/2", so I bought the version for duals and I'm using a Magnaflow Y that has a 3" exit to match up to my cat-back. The place I bought from was called Tuning Depot Overstock, and you can see a few pictures here....

http://www.corral.net/photopost/show...500&ppuser=685

I got my Maggie Y, Stage 8 bolts, O2 extensions, and an Innovate wideband ordered, just need to choose cats and get them before I figure out when to install....
Sweet dude thanks, you rock.
 
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Old Jan 21, 2008 | 10:44 AM
  #37  
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From: Oronoco, MN
I've been looking at this stuff and debating for a long time, so no reason not to share what I found...
 
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Old Jan 21, 2008 | 12:38 PM
  #38  
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Originally Posted by 01Roush
http://motors.shop.ebay.com/Parts-Ac...09ZF1503efa085

You'll find two versions, one for Harley/Lightning that comes back into duals, and one for regular F150 that comes to a Y pipe. I have single exhaust but didn't like the Y pipe on the OBX/Dynatech as they bring both sides into a single 2-1/2", so I bought the version for duals and I'm using a Magnaflow Y that has a 3" exit to match up to my cat-back. The place I bought from was called Tuning Depot Overstock, and you can see a few pictures here....

http://www.corral.net/photopost/show...500&ppuser=685

I got my Maggie Y, Stage 8 bolts, O2 extensions, and an Innovate wideband ordered, just need to choose cats and get them before I figure out when to install....
will the crossovers work from the harley kits? for a 4x4 i mean
 
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Old Jan 22, 2008 | 09:11 AM
  #39  
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From: Oronoco, MN
Originally Posted by scottbigred
will the crossovers work from the harley kits? for a 4x4 i mean
Are you asking about something on the OBX or Dynatech setups, stock exhaust bolting up, ???? Not sure what the question is...
 
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Old Jan 22, 2008 | 12:48 PM
  #40  
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on the obx. if i were to get the harley set up with duals would the midpipes and crossover pipes fit with the transfer case and tranny on a 4x4
 
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Old Jan 23, 2008 | 03:14 PM
  #41  
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From: Oronoco, MN
Originally Posted by scottbigred
on the obx. if i were to get the harley set up with duals would the midpipes and crossover pipes fit with the transfer case and tranny on a 4x4
I've been waiting for someone else to chime in since I'm not sure, but the OBX is a direct copy of the Dynatech and I believe that fits a 4x4, so should fit.........
 
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