Exhaust System - Porsche 911 Targa User Handbook Manual

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The 3.4-litre engine of the Efficiency technologies.
911 Targa 4.
At Porsche, reducing fuel consumption is
The engine of the new 911 Targa 4 part and parcel of performance. It goes
develops 257 kW (350 hp) at 7,400 rpm without saying, therefore, that efficiency
and a maximum torque of 390 Nm at technologies are standard features on
5,600 rpm. When combined with the the 911 Targa 4 models and form an
7-speed manual gearbox, it accelerates integral part of the vehicle concept.
from 0–62 mph in just 5.2 seconds and
reaches a top speed of 175 mph. Whenever the car comes to a stop, the
auto start/stop function automatically
The 3.8-litre engine of the switches off the engine – and restarts it
911 Targa 4S. swiftly and smoothly as soon as you
On the S model, the figures speak for operate the clutch or, on models with
themselves: the 3.8-litre boxer engine Porsche Doppelkupplung (PDK), as soon
develops 294 kW (400 hp) at 7,400 rpm as you release the brake.
and a maximum torque of 440 Nm at
5,600 rpm. When equipped with the The thermal management system
optional Porsche Doppelkupplung (PDK), regulates the temperature in the engine
the new 911 Targa 4S completes the and gearbox through the intelligent
0–62 mph sprint in just 4.6 seconds manipulation of heat flow. The resulting
and can continue on to a top speed of improvement in combustion efficiency has
182 mph. a beneficial effect on fuel consumption.
1 Sports exhaust system
For fuel consumption and CO emissions, please refer to page 103.
2
1
A further fuel-saving feature is electrical
system recuperation. This function
ensures that the battery is recharged
predominantly by the alternator under
braking conditions.
Direct fuel injection (DFI).
DFI delivers fuel directly into the combus-
tion chamber with millisecond precision.
The spray and cone angles of the multi-
hole injectors have been optimised for
torque, power output, fuel consumption,
emissions and efficient combustion.
Authentic style

Exhaust system.

The exhaust system of the 911 models
has been redesigned – acoustics included.
The stainless steel exhaust system
comprises two distinctive and independent
exhaust tracts. A selectable twin-tube
sports exhaust system featuring distinc-
tive polished stainless steel tailpipes
is available as an option. Activated by
a button, it produces an even more
intensive sports car sound.
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