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Exhaust union?

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Old Dec 16, 2016 | 12:07 PM
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Exhaust union?

Just musing during my lunch break. I have a new dual exhaust set up hooked to stock manifolds. Each side is welded in one long piece. I want to install some shorty headers which will require cutting the pipe somewhere between the trans Xmember and the mufflers and make a new section up to the collectors. It would be nice if the new sections could be unbolted and removed in the future. Is there some kind of bolt together union I can weld on at the muffler ends?
 
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Old Dec 16, 2016 | 12:21 PM
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Originally Posted by Uni Moe
Just musing during my lunch break. I have a new dual exhaust set up hooked to stock manifolds. Each side is welded in one long piece. I want to install some shorty headers which will require cutting the pipe somewhere between the trans Xmember and the mufflers and make a new section up to the collectors. It would be nice if the new sections could be unbolted and removed in the future. Is there some kind of bolt together union I can weld on at the muffler ends?
The later model Ford vehicles use a band style clamp rather than the old school muffler clamps that dug in to the pipe. So the pipes could be taken apart real easy in the future if needed. If possible I would cut your pipes as close to the engine as you can. Make up different "head pipes". Then use those band clamps to connect pipe to pipe. I'll see if I can post a pic of an exhaust system and edit it in here in a bit.













Walker Lap-Joint Band Clamps


 
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Old Dec 16, 2016 | 12:49 PM
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Two types of band clamp are available... one type is for a slip-fit (OD/ID) and the other is a butt joint. I prefer the former and used them throughout my 70s system so it's modular.
 
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Old Dec 16, 2016 | 03:55 PM
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Originally Posted by JEFFFAFA
The later model Ford vehicles use a band style clamp rather than the old school muffler clamps that dug in to the pipe. So the pipes could be taken apart real easy in the future if needed. If possible I would cut your pipes as close to the engine as you can. Make up different "head pipes". Then use those band clamps to connect pipe to pipe. I'll see if I can post a pic of an exhaust system and edit it in here in a bit.













Walker Lap-Joint Band Clamps


So do the pipes butt up end to end with those clamps? or still the standard expanded overlap?
One option I was thinking was I could keep the original front portion of pipe if I ever decide to put the stock manifolds on.
 
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Old Dec 16, 2016 | 03:57 PM
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Originally Posted by HIO Silver
Two types of band clamp are available... one type is for a slip-fit (OD/ID) and the other is a butt joint. I prefer the former and used them throughout my 70s system so it's modular.

Sorry HIO, replied to previous post before I read yours. Got an online supplier for those clamps?
 
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Old Dec 16, 2016 | 04:56 PM
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This is what I did. Was necessary to be able to get the exhaust out of the crossmember.
 
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Old Dec 16, 2016 | 05:03 PM
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Originally Posted by Uni Moe
Sorry HIO, replied to previous post before I read yours. Got an online supplier for those clamps?
Summit Racing... just get the house-branded ones. Works great... totally beats those U-clamps that crimp the tubing (like pictured above!!)
 
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Old Dec 16, 2016 | 05:15 PM
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summit sells both sides of those ball-and-socket style exhaust joints.
 
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