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exhaust system?
6 into 1 headers
14%
 14%  [ 3 ]
3 into 1 headers
23%
 23%  [ 5 ]
Dutra Duals
61%
 61%  [ 13 ]
Total Votes : 21

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edward9egan
2 BBL ''SuperSix''


Joined: 09 Jul 2011
Posts: 24

Post subject: headers (Mon May 07, 2012 9:14 pm) Reply with quote

just finishing up my build trying to figure out the exhaust system. im thinking of headers but not sure. what im thinking now is either 6 into 1 headers, 3 into one headers, or Dutra Duals. any suggestions or anyone who has any of them for sale let me know. thanks



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Joshua Skinner
Supercharged


Joined: 27 Jan 2005
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Location: Portland, Oregon

Post subject: (Mon May 07, 2012 9:49 pm) Reply with quote

I say no on 6-1 headers for anything. What you want from your vehicle and the engine's state of tune will determine whether I vote for 3-1 tube headers or Dutra's.



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edward9egan
2 BBL ''SuperSix''


Joined: 09 Jul 2011
Posts: 24

Post subject: (Mon May 07, 2012 10:00 pm) Reply with quote

The plan is to have a driver that I can take to the strip and hold my own. It is a 2 bbl carter bbd with over sized valves in a 69 head. The bottom end of the engine is stock



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CNC-Dude
Turbo Slant 6


Joined: 20 Feb 2010
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Location: N. Ga.

Post subject: (Mon May 07, 2012 11:29 pm) Reply with quote

The addition of headers to an otherwise stock engine will be of little benefit. Upping the compression and adding a performance camshaft along with other mods like an upgraded ignition will be better suited for header usage. A 3 into 1 header design has shown to be a better design than the 6 into 1 style.



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CP-Carrillo Mike
2 BBL ''SuperSix''


Joined: 20 Apr 2012
Posts: 20
Location: Irvine, CA

Post subject: headers (Fri May 11, 2012 9:03 pm) Reply with quote

I used to build headers and custom exhaust systems proffesionally for several yrs and I do aggree that the 3into1 system for an inline 6 is the over all best header to go with.
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SlantSixDan
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Joined: 31 Oct 2002
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Location: North America

Post subject: (Fri May 11, 2012 9:20 pm) Reply with quote

Street driver with stock type intake and BBD + wants better exhaust flow to go faster = Dutra Duals.



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CP-Carrillo Mike
2 BBL ''SuperSix''


Joined: 20 Apr 2012
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Location: Irvine, CA

Post subject: headers (Fri May 11, 2012 9:38 pm) Reply with quote

For a fairly stock engine, I'm with you there Dan.
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