Ooh missing stiffnut and for some time too, how did I miss that
Perhaps a visit to specsavers is in order
Anyway, I blame whoever installed the exhaust, as that's been missing for some time by the look of things Sean.
Buy one of
THESE and remake the joint.
Was there any hint of black soot around the flange? if so this may be the culprit of the mystery smell
The intercooler, which end was being photographed ?
Brian