Baffles in Roush Mufflers gone bad?

[Metz302]

How do I tell if my cats are bad or my Mufflers are bad?

I don’t have any weird driving symtoms, idle is fine, I’m getting the best gas mileage I have since adding an h pipe to my setup. I don’t have any performance lost or pedal lag.

I have a really weird diesel like sounding noise out of the exhaust pipes, my dad think it’s the h pipe but I don’t think that’s the problem. It doesn’t sound normal but I also don’t know what the chances are of my mufflers being bad.

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[Balr14]

The odds favor your dad.... or a loose connection.

 

[Metz302]

The odds favor your dad.... or a loose connection.

Yeah I’m not sure. I had the entire thing welded yesterday.: checked for leaks and nothing. :/

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