"High Tech Misfit" <me@privacy.net> wrote in message
news:wihovu8izp1p.dlg@hightech.misfit...
>
> Update: The loud exhaust note became even louder today (it's loud enough
> to
> make a ricer proud), and fuel is now leaking ever so slightly from
> underneath (near the front of the left rear tire). I'm going to get those
> problems fixed tomorrow, even if it means going to any mechanic and
> getting
> cheap (i.e. short-term) parts.
>
I bet the loud exhaust note is loose hardware that is backing off. The most
likely location is at the collector flange, where the exhaust manifold
connects to the pipe. Since the exhaust work was just done, the mechanic
who did it should get first whack at making it right.

Otherwise... my favorite test technique (if you have a shop vac available)
is to start with a cold engine. Be sure the shop vac is empty and fit the
hose on the exhaust, then run the shop vac a minute to blow any loose grit
out. Duct tape the hose to the exhaust pipe and turn the shop vac on again.
Feel around the exhaust for the stream of air - it will be obvious when you
find it.

It would be good to get that taken care of quickly before the exhaust ruins
something. If it's the collector, the gasket is probably torched already.
Good thing they are cheap.

Mike