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Old 03-31-2013, 02:57 PM   #1
sailah OP
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Joined: Aug 2005
Location: Turning expensive metal into scrap
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Exhaust pipe expander ?'s

I am working on another custom exhaust and I have the following measurements.

The header terminates in a male tube 1.66-1.69" OD depending on where you measure it. I found 1.75" SS exhaust tubing 16g would be 1.75-(0.065*2) or 1.62" ID

1.75" 18g (0.049" wall) would be 1.652" theoretically.

I know I am going to need to massage this tubing slightly to make that joint a nice slip fit.

I've read some reviews of exhaust pipe expanders on Amazon etc and did not get a good feeling but I am only trying to get a little bit of diameter out of this tubing.

Suggestions including buying new tools or having a shop do it?
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