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Old Aug 13, 2006 | 09:33 PM
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Default Need some help finding 4" tubing

I'm going to build up a custom 4" exhaust and I can't seem to find a place that sells 4" stainless bends or tubing. All I seem to find is Alum.
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Old Aug 13, 2006 | 09:37 PM
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try a trucking outfit...Kenworth,White,Freightliner..etc...these places have stuff some of the guy's here use..my friend ROY has a 406 ci 73 'camaro and he has purchased some things from the local Freightliner Dealer....he bought S/Steel.

Last edited by NHRAMAN; Aug 13, 2006 at 09:49 PM.
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Old Aug 13, 2006 | 11:24 PM
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Originally Posted by 01 Red WS6
I'm going to build up a custom 4" exhaust and I can't seem to find a place that sells 4" stainless bends or tubing. All I seem to find is Alum.
if you dont have to have stainless then you can get 4" exhaust tubing anywhere ... Summit has whatever you need
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Old Aug 14, 2006 | 12:13 AM
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try these guys... http://www.woolfaircraft.com/
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Old Aug 14, 2006 | 12:16 AM
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That's odd have you tried a local exhaust shop? I know the place near me will do it, a friend has a 5" SS setup custom done on his powerstroke. Just a local Minakee.
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Old Aug 14, 2006 | 08:58 AM
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Jeg's has some too.
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Old Aug 14, 2006 | 10:00 AM
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My father owns 2 kenworth truck dealerships, we don't sell stainless 4" exhaust. The only place that I know of that sells 4" stainless pipe is StainlessWorks.com I think they are an LS1Tech sponsor.
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Old Aug 14, 2006 | 04:23 PM
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Summit has 4" tubing in aluminized steel, not sure about stainless. They also have 4" band clamps if you have a slip joint in there somewhere.

Kooks is a sponsor and I'm sure they might be able to help you out too.
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Old Aug 14, 2006 | 07:20 PM
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I really wanted to do the setup in stainless because what I have now is aluminized and it's showing rust pretty well after just a year. I want to show the car and having a rusty exhaust just doesn't help.
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Old Aug 14, 2006 | 10:29 PM
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burnsstainlesssteel or something like that
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Old Aug 15, 2006 | 07:55 AM
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IMO 4" is too large to go over the axle on an fbody. I have the 4" mufflex and yes it fits but it also bangs on the axle every time i go over a bump as there is like 1/2 inch clearance. It's not worth it. When I get the money/time, I'm going to go with 2.5" duals under the axle or a hooker.
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Old Aug 15, 2006 | 08:11 PM
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I'm doing a custom setup so I think I can have better fitment than the mufflex. Under the axle duals aren't my thing and I don't like that idea but if you like that then go for it.


I have a book from Burns and they seem really high on price to me. I might email them along with Kooks and Stainless Works and see what they say. Maybe I can get lucky and get a better price if I just ask.
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Old Aug 15, 2006 | 08:12 PM
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Originally Posted by 98hardtopZ

Thanks fro the link. That's almost half the price of another place I found
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Old Aug 15, 2006 | 08:46 PM
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no prob man...thats where im getting most of my turbo plumbing
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Old Aug 16, 2006 | 10:49 PM
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Originally Posted by 98hardtopZ
no prob man...thats where im getting most of my turbo plumbing

Turbo I wouldn't mind a turbo setup
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Old Aug 17, 2006 | 08:52 AM
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Originally Posted by 01 Red WS6
I'm doing a custom setup so I think I can have better fitment than the mufflex. Under the axle duals aren't my thing and I don't like that idea but if you like that then go for it.
It's really tight over the upper panhard rod. It's not about better bends or anything it's just too small small of a gap. The only thing that will help is an excellent mounting set up that supports the weight of the exhaust extremely well; not allowing it to move more than 1/2". If you're using a light muffler, that might help out too. Why not go 2.5" duals over the axle? I think you'll much happier if you don't go 4". I'm assuming your car is lowered.
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Old Aug 17, 2006 | 12:04 PM
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we have plenty of 4" s/s in stock tell me what you are looking for
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Old Aug 17, 2006 | 12:09 PM
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Originally Posted by kenkaru
It's really tight over the upper panhard rod. It's not about better bends or anything it's just too small small of a gap. The only thing that will help is an excellent mounting set up that supports the weight of the exhaust extremely well; not allowing it to move more than 1/2". If you're using a light muffler, that might help out too. Why not go 2.5" duals over the axle? I think you'll much happier if you don't go 4". I'm assuming your car is lowered.
It wont be a problem with ground clearance or upper panhard clearance.

Last edited by V6 Bird; Aug 17, 2006 at 12:16 PM.
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Old Aug 17, 2006 | 10:10 PM
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Originally Posted by kenkaru
IMO 4" is too large to go over the axle on an fbody. I have the 4" mufflex and yes it fits but it also bangs on the axle every time i go over a bump as there is like 1/2 inch clearance. It's not worth it. When I get the money/time, I'm going to go with 2.5" duals under the axle or a hooker.
Completely untrue. I had a 4" Mufflex on my 00 TA for some time, and now have one on my 85 Z28. Neither of them have any clearance problems, banging or rubbing issues. The pipes are somewhat adjustable. You need to spend more time making it fit. It is NOT a simple bolt-on affair.
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