How To Remove Rusted Exhaust Bolts Boxster & Cayman 986 987

How to remove the exhaust bolts that join the exhaust headers on the exhaust to the catalytic converter. This is a common Boxster fault and when they rust the gap between the two exhaust parts will allows gasses to escape causing a terrible noise. Boxster Parts: Gasket 996 113 113 00 Bolts 900 074 287 02 Nuts 999 084 052 02