Are muffler cut outs illegal in Washington?

In Washington, muffler cutouts are generally illegal because they can create excessive noise that violates state noise ordinances. Additionally, Washington law requires vehicles to have a functioning muffler to prevent excessive or unusual noise. However, specific regulations can vary by city or county, so it's best to check local laws for any additional restrictions. Always ensure that your vehicle complies with state emissions and noise regulations to avoid fines.