Ford Mustang Forum - View Single Post - Best route to fix the exhaust rasp?
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post #10 of (permalink) Old 11-19-2013
RandoTheKing
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Joined: Aug 2012
Location: Ohio
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You should be shifting at 2k rpm but I know what you mean, I have the same exact setup.

I'd give these a try, I heard it helps;
Vibrant Performance ::.
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