Update;
I removed the stripped out manifold bolt with a bolt extractor.
After a lot of work, the exhaust manifold was removed and inspected, looks perfect ? Put new gaskets,bolts etc and put it back together.
Still sounds the same, so now Im thinking about replacing the downpipe with cat....someone welded around the spring looking thing.
Anything I need to remove to get this out and install a new one ?
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