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Thread: Exhaust pipe size ID or OD???

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Posts: 1-4 of 4
2013-03-07 17:37:32
#1
Exhaust pipe size ID or OD???
I'm just working on my new header and working on the choke after the collector. Can I assume the 2.25" choke I'd inside diameter? As most of us know some pipe/ tubing is thick. 2.25" outside diameter is almost 2" ID. Just want to make sure it's ID


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2013-03-07 19:44:18
#2
I believe tubing usually goes by OD
2013-03-07 20:02:05
#3
I'm glad I held off answering, I would have been sure that we'd be talking about inside diameters when talking about such technical header stuff.
2013-03-07 20:55:52
#4
Exhaust pipe size ID or OD???
Well ya I think tubing goes by OD and piping goes by ID but like Ben said I'm sure people mean ID when talking about header specs.


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