Porsche CAYENNE Brochure page 28

The smallest things can make the biggest difference.
Even a single spark.
Ignition system.
The Cayenne models have a consistent spark, this is a
static high-voltage ignition more reliable alternative to
system with separate ignition a conventional distributor and
coils on each individual plug. leads. The role of distributor
As well as providing a more is performed by the engine
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Committed to a purer driving experience.
Exhaust system.
The lightweight exhaust systems
in the Cayenne models are made
from special, long-life stainless
steel.
Short exhaust manifolds enable
rapid heating of the primary
catalysts, a basic prerequisite
for early and more effective
emissions control.
The engine management system
is also involved in preventing
emissions at source. Inside each
of the two primary catalytic
converters are two oxygen
management system. As well
as improving performance
and economy, emissions are
prevented at source.
Twin single-tube tailpipes
(Cayenne and Cayenne S)
sensors. These supply a real-time the Cayenne S (in conjunction
analysis of exhaust gas compos- with Tiptronic S), it has a
ition. Based on this information, performance sound setting
the engine management system which is automatically enabled in
can adjust the air/fuel mix as 'Sport' mode. The package also
required. This control system includes twin dual-tube tailpipes
ensures low emissions in all oper- with chrome-plated finish. (Note:
ating scenarios. The primary and vehicles equipped with the sports
main catalysts offer high efficiency, exhaust system have a reduced
faster warm-up, a long service off-road capability.)
life and consistently low emissions
(see page 104). All exhaust systems – standard
and sports – comply with all
The Cayenne GTS has a sports relevant emissions legislation.
exhaust system as standard.
Also available as an option on
Sports exhaust tailpipes, chrome-plated Twin dual-tube tailpipes
(Cayenne GTS) (Cayenne Turbo)
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Spend less on servicing.
And more time on the road.
Longer service intervals are Each Cayenne model offers
not only more convenient and three clear benefits: lower
financially attractive, they are servicing costs, more time on
also better for the environment. the road and a more eco-friendly
use of resources.
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Drive
For more information on service
intervals, please refer to the
separate price list for the Cayenne
model range.