From page 23

other people nearby. Even if there is no leak,
there’s a chance that the pipe could catch
something and turn into a spear, destroying
the gas tank or parts of the suspension.

Of course. most problems are tess dramat-
ic. Often, it's a mere pinhole in the system.
This, too, can be a danger as carbon monox-
ide —- colorless, odorless, and potentially
fatal — can leak into the passenger cormpart-
ment.

lipipe a spear?

Eshaust system manufacturers have made
a lot of progress, using more stainless steel
(Which is corrosion resistant) and more inte-
grated systems (so there are fewer parts to
separate or break off) to eliminate this prob-
lem as much as possible, but corrosion is still
a possibility.

One of the things that drivers can do to
prolong the life of their exhaust system is to
reduce the number of short trips they take. If
you have several things to do, save them up
and make one longer errand out of several

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smmallyr ones. That way. your cur (and your
exhaust system) will warm up, saving fuel,
reducing tailpipe emissions, and eliminating
the water in your exhaust that tends to cause
corrosion from the inside out.

What's i an exhaust system, anyway? If
includes a muffler, which feeds the engine
noise through a series of baffles to make it
quieter, a catalytic converter, which reduces
the tailpipe emissions, and piping that con-
nects these elements to the eagine. Sume sys-
tems also contain a resonator, so your car

sounds more like a mean muscle machine and
less fike a sewing machine, ,

Catalytic converters do wear out. §
Sometimes, they can be destroyed —- for
example, long periods of idling may “cook

the catalyst” because the temperature in the Ba

exhaust will rise without any compensating
airflaw to cool things off.

So if you want to avoid a rumble, take
good care of your exhaust system, Like so
many other things, taking a little time to
check can help you avoid big troubles and big
expenses,

For further information, contact Denise J
Faguy, Manager, Communication Services, 9
Automotive industries Association af
Canada.

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