Pipe colouring
Road Master
Joined: Jun 2008
Posts: 1,065
Likes: 33
From: Illinois
When it happens at the muffler- that's just a result from the baffle. Heat generally collects at the front of the muffler in that area around the front of the baffle. I thought you meant up near the cylinder head before.
Generally, the more restrictive the muffler and it's baffle, the more discoloration (usually golden) you'll get.
Generally, the more restrictive the muffler and it's baffle, the more discoloration (usually golden) you'll get.
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