Originally Posted by CooperMan
Originally Posted by DaveW
I haven't noticed any fumes at all with mine.
Perhaps the rear mudflaps affect airflow around the tailpipe.

Good point that Dave, I remember back in the 80's a test that showed mudflaps fitted to some tin box of the era affected MPG slightly, caused by airflow disturbance

That is really interesting. I shall have a look at that on my MG.
On the Mog Dave, is the air flow in your cabin area from the back?
Nick