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      03-22-2013, 03:13 PM   #1
ajw45
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Drives: Z4M Coupe
Join Date: Feb 2011
Location: Boston

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KKS Titanium Exhaust and rust???

I've had the KKS titanium exhaust on for about 2 weeks and just today I noticed what looks like rust on the tips! As I understand it, titanium doesn't rust (well, it does but oxidizes to a white color) so this seems like something else but whatever it is it doesn't just wipe off and looks to be actually pitting the metal. KKS recommends just polishing the tips but this seems like something that shouldn't be needed or even happening for a titanium exhaust. First pic was from about a week ago (no rust, like new) and the other pics are from this morning. If it was rust I would expect to see it all over, not just on the very end of the tips.....
Any thoughts?

TIA!
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