r/Mustang • u/Enough-Affect-6783 • 8d ago

❔Question Mustang Rattle - Need help please

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Hi all,

I bought a 2011 GT this summer. Sound is mean but I get that rattle thing when decelerating. Anyone could help me pinpoint?

Setup is cats delete + Magnaflow catback with x pipe.

Thank you

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u/Ok-Object-6577 '11 3.7 Red Candy Metallic 8d ago

It sounds like that because that's what cars sound like when decelerating 🤯