03-22-2015, 02:42 PM | #1 |
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Exhaust tips - heat discoloration
Hi guys. I have the Cyba 3.5" tips on my car. While washing them I noticed that the inside part of the tip has what looks like discoloration and cloudiness that I think is a result of the heat and exhaust fumes. The haziness is hard to describe as I can only see it from certain angles. Its like a "ghosting" effect but its definitely there.Is there anyway to polish this out? I purchased some P21S metal polishing soap which helped a bit but I still see some haziness and discoloration. Perhaps I need a stronger metal polish?
Any help is appreciated.
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03-25-2015, 11:28 AM | #4 |
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Just checked again and they both have it. I thought these were stainless steel? Looks like its reacting with the steel on the stock pipes.
Whatever it is, it doesn't come off. |
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03-25-2015, 11:36 AM | #5 |
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yup I got the same thing! WTF.
Maybe I will ask the question on the Cyba thread.
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03-29-2015, 06:54 PM | #6 |
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Experience tells me the soot that comes out of the exhaust accelerates corrosion. I often wipe my exhaust clean between washings, but in the end The effort is only delaying the inevitable. Two 335i Sport line (black chrome) are under $100 so it's not a big too big of a deal if I have to replace them after 75k miles.
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03-29-2015, 10:57 PM | #7 | |
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Quote:
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03-30-2015, 11:17 AM | #8 | |
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Quote:
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04-02-2015, 04:29 AM | #9 |
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I fitted the Black BMW tips and they have correded even more and quicker. Already had one set replaced after 1000miles and only 3 months. New set had different part number and are lasting a bit better but already showing. Only thing I can think off is swap them round every now and then to keep the damage equal at least.
This valve thin on 335i is really annoying
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04-19-2015, 08:49 AM | #10 |
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Does your black finish look like this?:
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04-19-2015, 09:28 AM | #11 |
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Not as bad but my first set was very similar , the new set havent had a chance to wash recently so not had a closer look
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F30 335i M Sport - now departed
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