Exhaust TECH Mufflers, Headers and Pipes Issues

          
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Old 06-09-2023, 08:25 AM
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djustice djustice is offline
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Default Quality Stainless steel headers?

I have been looking for full length D-port headers (1-3/4 to 2" primary tube full length) for a 73 firebird. and i come up blank. is there really no one making stainless headers that is not a DIY kit? i have found one: https://www.stainlessheaders.com/pon...der-build-kits

But that is a DIY kit and i have no welding skills or equipment to do any of that.

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-469 ,Butler 310+ Eheads, Hurricane intake portmatched by butler, Butler roller 230/236 @0.50 112 LSA, Johnson lifters, pypes 2 1/2" exhaust, 3.42 yukon duragrip lsd, holley sniper efi, hyperfuel efi tank +++
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Old 06-12-2023, 02:14 PM
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Only other choice is custom made. GP Headers can copy some existing plain steel headers. About 1500-2K.

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1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
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Old 06-12-2023, 02:57 PM
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http://forums.maxperformanceinc.com/...ght=GP+headers

Pictures

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Skip Fix
1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand
1965 GTO 4 barrel 3 speed project
2004 GTO Pulse Red stock motor computer tune 13.43@103.4
1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
  #4  
Old 06-12-2023, 08:18 PM
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They look Awsome! got about 10 years out of my cheap headman headers, got 1 hole at the start of the season, fixed it with a stainless steel bandclamp lined with fireplace insulation strips. 5 days ago another hole, Time to replace them before they fall apart.

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Murphy's law - "Anything that can go wrong will go wrong".
-469 ,Butler 310+ Eheads, Hurricane intake portmatched by butler, Butler roller 230/236 @0.50 112 LSA, Johnson lifters, pypes 2 1/2" exhaust, 3.42 yukon duragrip lsd, holley sniper efi, hyperfuel efi tank +++
  #5  
Old 06-12-2023, 09:02 PM
oldredgoat1966 oldredgoat1966 is offline
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I have a brand new set of d port ceramic coated headers that was bought for my 66 gto but we went with round port heads since the engine needed completely rebuilt and we went with speedmaster ram air4 style heads

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Old 11-21-2023, 11:05 AM
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Seems like maybe doug's have a new one: https://www.summitracing.com/parts/dou-d570-ss
Even if it is 1-3/4" primary

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Murphy's law - "Anything that can go wrong will go wrong".
-469 ,Butler 310+ Eheads, Hurricane intake portmatched by butler, Butler roller 230/236 @0.50 112 LSA, Johnson lifters, pypes 2 1/2" exhaust, 3.42 yukon duragrip lsd, holley sniper efi, hyperfuel efi tank +++
  #7  
Old 11-21-2023, 11:10 AM
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Quote:
Originally Posted by djustice View Post
Seems like maybe doug's have a new one: https://www.summitracing.com/parts/dou-d570-ss
Even if it is 1-3/4" primary
Very nice!

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Old 12-19-2023, 09:46 AM
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HWYSTR455 HWYSTR455 is offline
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Wow, they started doing SS? Interesting.

Sadly, the last 2 sets of the A-body Doug's round ports I got had quality issues, fitment, and the collector exists were uneven.

I forget if it were Hookers or Headmans I had the passenger side hung lower, but that's what made me move over to Dougs.

I had some OBX ones, and although they could be 'made' to work, I didn't have the time or resources to do so, and moved on.

I need a pair of headers for the tribute car, that's the set that the collectors are uneven. I already welded the X pipe section, so will have to do a whole exhaust once I reach that point. Uhg.



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