Exhaust noise during acceleration
A 2020 Ford Mustang produces an unusual noise from the exhaust system when accelerating. This could indicate an exhaust leak, loose component, or failing muffler.
Diagnosis Details
Possible Causes
Exhaust leak at gasket or joint (e.g., manifold, catalytic converter, or muffler connection)
Loose or damaged heat shield vibrating against exhaust pipe
Internal muffler baffle failure or catalytic converter damage
Related OBD-II Codes
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What You Should Do
Inspect the exhaust system for visible cracks, loose bolts, or rattling shields.
Listen for the noise's location while safely revving the engine.
Tighten loose components or replace damaged parts as needed.
If the noise is metallic or accompanied by a check engine light, have the system professionally diagnosed.
Related Repairs
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
