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Old 07-01-2010, 12:57 PM
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Kevlarr Kevlarr is offline
Motorized Bicycle Elite Member
Join Date: Jul 2009
Location: Mi
Posts: 1,628
Default Re: Muffler discoloration

When I took my muffler apart I noticed that the area that turns blue is just past where the catalytic converter is so I'm thinking it more the heat from that then anything.
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