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Old 03-24-2010, 03:39 PM   #1
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Exclamation URGENT: Dynatech Longtube Headers size?!

This is kinda time sensitive, but does anyone know the size of the Primary Tubes on the Longtube Header system from Dynatech?

I am trying to make sure they 1 7/8"

I have a weird situation going on with MRT, where I changed my mind to go with the LT instead of JBA Shorties and Kim is trying to help me find the LTs I am looking for.

If they are 1 7/8", I can just do a straight swap and not lose 20% restocking fee on the shorties.

So again, if you know please tell me if the Dynatech LT are 1 7/8"

Thanks!
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Old 03-24-2010, 03:44 PM   #2
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I don't think anyone's longtubes are 1 7/8 for the v6. 1 5/8 and 1 3/4 is what most all of them run.
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Old 03-24-2010, 03:58 PM   #3
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Quote:
Originally Posted by mrray13 View Post
I don't think anyone's longtubes are 1 7/8 for the v6. 1 5/8 and 1 3/4 is what most all of them run.
ARH's are 1 7/8s. I thought.
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Old 03-24-2010, 03:59 PM   #4
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Quote:
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ARH's are 1 7/8s. I thought.
Never mind I jsut called them. 1 3/4" I totally thought they were otherwise.
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Old 03-24-2010, 04:03 PM   #5
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Lol, answered yourself before I could!!
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Old 03-24-2010, 04:34 PM   #6
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Quote:
Originally Posted by mrray13 View Post
Lol, answered yourself before I could!!
I know right! I am an idiot!
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Old 03-24-2010, 06:12 PM   #7
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Why do you think you need 1 7/8". Ya know, you can go too big and lose power. Im sure the companys have all done enough R&D to establish the right size for the application. Especially ARH. Ide bet 1 3/4" is the best size for the most gains.
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Old 03-24-2010, 06:30 PM   #8
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I guess I'm failing to see the reason for the concern? regardless if they are 1 7/8s, 1 5/8s or 1 3/4, they all to into the collector and then the output of the collector continues onto the rest of the exhaust, stock or aftermarket will be 2.5" before the cats, then on the V6 stock it reduces after the cats to 2 1/4" and the SS stays 2.5" and most aftermarket V6 exhausts are 2.5". just sayin'
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