Ford Mustang Forum - View Single Post - Roush Exhaust Differential
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post #6 of (permalink) Old 11-24-2015
5.0 Coyote
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Joined: Oct 2010
Location: San Carlos Park
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Do your mufflers have the weep holes drilled in the rear of one or both of your mufflers,some Roush mufflers didn't have the holes, and had water trapped inside,which would change the sound.Just another thought,check yours out for the holes.
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