Not knowing the technical term, the "rod" that holds the exhaust back
box has rusted and detached from the back box, so I can hear my
exhaust occasionally knocking as I drive around.
You can see it here:
My question is, do I just get a new back box, or should I get
something welded to the existing one to hold it in place a little
longer? I'm not an expert on exhausts and from underneath it does not
look too bad but is that because heat rises, so the top rusts first?
What is the best thing to replace it with? I'm not wanting to do boy
racing but I've heard some exhausts can improve performance?
Take a look in a shop or online and you can find clamp-on exhaust
brackets - you may be able to find one that you can use as a replacement
on the pipe, right up against the box.
You need to find out the state of your box though. It may not be worth
bothering - however my wife's exhaust has been missing one of its mounts
for 5 years now, with no problems. I assume it was a faulty weld, as the
exhaust has obviously not rusted significantly.
oddly enough my own runabout Focus has the same fault, but the exhaust
is far rustier, the original ford exhaust, now 17 years old! Incredible.
When I can be bothered I will take a look, but in my case there is
probably nothing left to weld to, and the box is blowing, and the outer
casing came off years ago, so probably it will get a replacement pattern
box, you have to cut the old one off, as original systems are all in
one, probably the mondeo is the same.
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