[quote author=WAGON DEC link=topic=42235.msg483791#msg483791 date=1405301768]
Could be the shields on the exhaust manifold ciaran or it could be the cat in the uppipe starting to break up!!!
[/quote]
Sorry dec was half asleep didn't read this proplery car has a Sti uppipe so not that
@ciaran sounds like a gasket or heat sheild to me but can't see anything loose