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      04-24-2009, 02:59 PM   #24
mikewads
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Drives: 2009 M3 Coupe DCT
Join Date: Jan 2009
Location: Georgia

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Quote:
Originally Posted by Akara1 View Post
In my experience with Akrapovic Titanium exhausts on my bikes, if they are properly maintained, the parts that are subjected to higher levels of heat will start to turn blue.
You can see in the below video that as the exhaust heats up the pipes turn blue (1 minute into the video).

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