Itsdjellz Posted April 27, 2020 Report Share Posted April 27, 2020 (edited) I was looking at the muffler and noticed it's pretty black is this normal? Edited April 27, 2020 by Itsdjellz added photo Quote Link to comment Share on other sites More sharing options...
David Young Posted April 27, 2020 Report Share Posted April 27, 2020 Maybe you ran through something black on the highway? If not, you might have a hole in your muffler I think these mufflers will last many, many years...…….. Quote Link to comment Share on other sites More sharing options...
Lakeside Posted May 12, 2020 Report Share Posted May 12, 2020 I'm sure there is a weep hole in your muffler allowing moisture buildup a place to drain. It appears to me that it's moisture mixed with exhaust gases causing that discoloration. Quote Link to comment Share on other sites More sharing options...
Perblue Posted May 12, 2020 Report Share Posted May 12, 2020 Yes there are weeping holes in the muffler, so unfortunately with how rich ford tuned these things we end up with black mufflers. Quote Link to comment Share on other sites More sharing options...
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