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Old 09-03-2011, 10:38 AM
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ogre ogre is offline
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crush bending ss pipe would be a crime. mandrel bent pipe is the way to go. we do low volume production bending at our shop. even then our mandrel tube bender cost $65,000. even then unless you know the exact degree bend and rotation for every bend, you need to cut bends and straight pipe to make it work. you can't tweak a mandrel bend, once the mandrel is withdrawn the bend is what it is.

your better off buying bends and straight pipe to achieve your goal. a good tig weld will make the bends seamless looking. we do most of our custom exhaust work this way.

409 ss will rust. 304 ss will not.

this is a custom header for a turbo installation. headers would be done the same way. very labor intensive. you need to carefully choose your weld path to make every weld doable.
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