SOT: Header fab / design
Anyone ever price out making decent headers from CAD drawings?
There are tons of headers out there for 3-series engines but never for the M30... Unless Jeff or Don want to sell me theirs...
This site has some interesting tools for choosing lengths and diameters:
http://www.headerdesign.com/index.asp
Shouldn't be to hard to start with an existing 6-cyl design like that shown below and size it for a 3.5 or 3.7 L M30. I'm wondering if anyone has priced mandrel bends... parts are available (tubes, merge, collectors, etc.) and welding I can do myself or have done locally.
These are for an e28 M5:
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