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I did the magnet thing too.
Got same (weak) result and came to same (SS) conclusion.
How do we explain the weak magnet thing?



Not even CLOSE to being an expert on this.... this is called reaching up your backside and pulling stuff out, so to speak.
Steel, which is made up mostly of iron and carbon, can have a myriad of other stuff thrown in with it. Magnesium is a common component and it is not magnetic... a high content in the steel would reduce it's magnetic properties. I really don't think our headers are triple plated, not judging by the quality mostly. So no added layer of nickel and the chrome itself is non magnetic. Plus I don't know the physics of it but steel can be rendered non-magnetic by heat treating.... I'm thinking the headers don't get that hot but you can't argue they get severely warm.
Okay, who know's a metallurgist(spelling)? I need to go wash my hands now.....

Steve (hewhoshallremainavatarless)