This link (click here) will help "connect the dots".
To return to the initial point of the thread: just because a stainless steel component is magnetic, that doesn't mean it's not stainless steel. And that's a fact, not just horse manure.
I did not deny that in my second post. However you said "stainless steel is magnetic-thats a fact" when in fact (pun intended) it is NOT. Some is, but not the 300 series that would be used on an exhaust. FACT