U
nderstanding the
science behind
desert racing
exhaust systems
can be challenging,
even mystifying.
If you dig deeper, however, you
learn that all exhaust systems
are a compromise, but in some
cases it's well worth it. That's
why professional engine builders
play such a significant role in
determining the ideal exhaust
system in desert racing vehicles.
This is where "tuned exhausts"
come from. It's the job of the
racing engine builder to map
out the exhaust system for the
chassis builder using variables
like cam timing, bore and stroke,
and back pressure, to ultimately
BY STEPHEN ROMERO
PHOTOGRAPHY: COURTESY OF THE MANUFACTURERS
WHAT THE
INDUSTRY SAYS
ABOUT NOISE,
CONFIGURATION
AND OVERALL
PERFORMANCE
RACING EXHAUST
066
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