Graham I think it is the same problem that I have which is typical of sports exhaust systems. See Jay's post:
http://www.talkmorgan.com/ubbthreads.php...light#Post99930

In my case Aero Racing have sent a manifold wrap kit because they believe the cat is not getting hot enough and therefore not working correctly. I will report if this is successful next month after the work has been done.

Last edited by Gambalunga; 21/08/12 01:55 PM.

Peter

[Linked Image]