Are you asking about the catalytic converter or the muffler? Sounds like a cat problem.
I have heard there is a company in the USA that is rebuilding catalytic converters. Look for Smith Brothers. The biggest fear is buying aftermarket and getting a permanent CEL.
I have heard there is a company in the USA that is rebuilding catalytic converters. Look for Smith Brothers. The biggest fear is buying aftermarket and getting a permanent CEL.