No. 8-20

Installation and Conversion Instructions
Cayenne (9YA)
8/20
ENU
2601
2
Sports Exhaust System - Silver (0P8)/Black (0P9)
Revision:
This bulletin replaces bulletin Group 2 8/20, dated April 22, 2020.
Model Year:
As of 2019
Vehicle Type:
Cayenne S (9YA) including Coupé variant
Engine Type:
DCA/DCAB = V6/2.9 liter/324 kW (440 hp) = Cayenne S
Restrictions:
ONLY approved for vehicles FROM a certain production date (week/year) (depending on exhaust variant
(WITHOUT Petrol Particulate Filter (PPF) and body shape)!
•
•
Information:
Vehicles WITHOUT PPF: from 34 / 2018
Coupé vehicles: from 28 / 2019
Retrofitting
Figure 1
Notes:
With the sports exhaust system, the signal for activating the flaps in the rear silencers comes from the
respective current map in the DME control unit. The driving status and accelerator pedal position, for
example, are decisive factors.
The sports exhaust system can be switched on and off separately using the Porsche Communication
Management system (PCM  Figure 1). To do this, select the menu "Car", then "Drive" and then "Exhaust
system".
The sports exhaust system is also active in the "SPORT" or "SPORT PLUS" driving modes.
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Cayenne (9YA)
2601
ENU
Installation and Conversion Instructions
8/20
The engine power and exhaust behavior of the vehicle are not affected.
The sports exhaust system is also available straight from the factory for new vehicles by requesting
optional equipment "0P8 – Sports exhaust system (Brushed stainless steel tailpipe)" or "0P9 – Sports
exhaust system (Black chrome-plated look tailpipe)".
Parts Info:
9Y0.044.220
 Sports exhaust system – Tailpipe in Silver chrome-plated look,
set
 Sports exhaust system – Tailpipe in Black chrome-plated look,
set
9Y0.044.220.A
Parts list:
Figure 2
Exhaust system components (area: Center and rear) and electrics ( Figure 2 ):
Aug 16, 2021
Page 2 of 22
958.111.220.10
2x
Clamping sleeve, ∅ 65 x 88  Figure 2 -1-
N .106.978.01
2x
Hexagon flange bolt, M10 x 30 Figure 2 -2-
PAB.253.144.01
1x
Holder for center silencer, front right  Figure 2 -3-
PAB.253.144.10
1x
Holder for center silencer, front, left  Figure 2 -4-
9Y0.253.088.C
1x
Center silencer ASSY  Figure 2 -5-
PAB.253.147.00
1x
Center silencer retaining ring, rear left  Figure 2 -6-
Tequipment
Installation and Conversion Instructions
Cayenne (9YA)
8/20
ENU
2601
2
958.111.220.10
2x
Clamping sleeve, ∅ 65 x 88  Figure 2 -7-
9Y0.253.125.A
1x
Rear silencer assembly  Figure 2 -8-:
N .106.421.01
2x
Hexagon flange bolt, M8 x 25 Figure 2 -9-
PAB.253.144.03
2x
Rear silencer holder  Figure 2 -10-
N .038.549.4
8x
9Y0.253.824.BP1
1x
Expansion rivet, A8 x 12 (air guide for tunnel, underbody panelling,
not shown)
Sports tailpipe, silver chrome-plated, outer right  Figure 2 -11-
9Y0.253.824.BN1
1x
Sports tailpipe, silver chrome-plated, inner right  Figure 2 -12-
9Y0.253.823.BN1
1x
Sports tailpipe, silver chrome-plated, inner left  Figure 2 -13-
9Y0.253.823.BP1
1x
Sports tailpipe, silver chrome-plated, outer left  Figure 2 -14-
9Y0.253.824.BS1
1x
Sports tailpipe, black chrome-plated, outer right (not shown)
9Y0.253.824.BR1
1x
Sports tailpipe, black chrome-plated, inner right (not shown)
9Y0.253.823.BR1
1x
Sports tailpipe, black chrome-plated, inner left (not shown)
9Y0.253.823.BS1
1x
Sports tailpipe, black chrome-plated, outer left (not shown)
9Y0.907.159.AS
1x
Engine noise control unit  Figure 2 -15-
1
ONLY contained in respective set!
Figure 3
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Cayenne (9YA)
2601
ENU
Installation and Conversion Instructions
8/20
Scope of electrical system – exhaust flaps and interior mechanism area ( Figure 3 ):
9Y0.044.210.A
1x
Wire harness assembly for exhaust flaps  Figure 3 -1-
— — —2
1x
— — —2
Grommet (internal ∅ 66.5 – left side)  Figure 3 -2-
1x
— — —2
Grommet (internal ∅ 46 – right side)  Figure 3 -3-
1x
Corrugated hose, 4.5 x 7.6 x 220  Figure 3 -4-
— — —2
1x
Corrugated hose, 4.5 x 7.6 x 230 (not shown)
— — —2
2x
Plug socket (4-pin) Figure 3 -5-
— — —2
2x
15 A fuse (not shown)
N .020.902.2
20 x
Tie-wrap, 3.6 x 246 (not shown)
999.513.052.40
10 x
Tie-wrap, 4.8 x 188 (not shown)
PAB.886.373
5x
Fixing clip for seat cushion  Figure 3 -6-
N .912.052.01
8x
PAF.912.664
4x
Cheese head bolt with multiple-tooth internal M10 x 35 (front and
rear seat)  Figure 3 -7Hexagon flange bolt, M12 x 1.5 x 40 (rear seat)  Figure 3 -8-
2
Contained in the "Wire harness assembly for exhaust flaps (9Y0.044.210.A)" set!
Information
ONLY in the event of repairs/replacement:
Items WITHOUT a part number in the parts list can be found/ordered from the Porsche Electronic Parts
Catalog = PET.
Check model year and vehicle equipment (I-no.) in the standard catalog!
Materials:
Tools:
000.043.172.00
1x
Sealing cord
———
1x
Commercially available rust solvent, e.g. WD40
———
1x
Wrapping/insulating tape (commercially available)
———
1x
Auxiliary line (Tekalan or Teflon hose) approx. 1,500 mm long
VAS 6935 Pole terminal puller
9900 - PIWIS Tester 3
Restraining strap for securing loads
Nr.90 Pos.3 - Torque wrench
Transmission and Engine Jack
Hand lamp
Nr.89 Pos.5 - Torque screwdriver
Three-mandrel pliers for hoses and sleeves (commercially available)
Installing:
1
Preparatory work
1.1
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Page 4 of 22
Drive vehicle onto a lifting platform (  Workshop Manual '4X00IN Lifting the vehicle').
Tequipment
Installation and Conversion Instructions
Cayenne (9YA)
8/20
ENU
2601
2
1.2
Connect battery charger (  Workshop Manual '2X00IN Trickle charging 12-volt lithium-ion
battery').
1.3
Expose plenum panel area ( Figure 6 )
1
2
3
1.4
– Filler neck for windscreen-washer
reservoir
– Engine cover (design cover)
– Strut brace (installation position of
engine sound control unit)
1.3.1
Remove the moulding for the
windscreen (  Workshop Manual
'666119 Removing and installing
moulding for windscreen').
1.3.2
Figure 6
Remove the wiper arms ( 
Workshop Manual '922519 Removing and installing the wiper arm').
1.3.3
Remove the front lid seal (  Workshop Manual '553319 Removing and installing
the front lid seal').
1.3.4
Remove the cowl panel cover (  Workshop Manual '508719 Removing and
installing the cowl panel cover')
Removing the seats
1.4.1
Remove the luggage compartment cover in the boot.
1.4.2
Remove the rear seat padding (2/3-split folding rear seat) (  Workshop Manual
'74491901 Removing and installing the padding for the rear seat surface (2/3-split
folding rear seat)').
CAUTION
Heavy components
•
Risk of pinching

Wear personal protective gear.

Get someone to help if necessary.
1.4.3
Loosen the 2/3-split folding rear seat (  Workshop Manual '724819 Removing
and installing the rear seat')
Information
The help of another person is required for this step.
1.4.4
Carefully lift the 2/3-split folding rear seat out of the vehicle via the boot.
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Cayenne (9YA)
2601
ENU
Installation and Conversion Instructions
8/20
CAUTION
Heavy components
•
Risk of pinching

Wear personal protective gear.

Get someone to help if necessary.
Loosen the (left) front seat (  Workshop Manual '720119 Removing and installing
the front seat')
1.4.5
Information
The help of another person is required for this step.
1.4.6
1.5
Expose the A-pillar area (left side) ( Figure 7
)
1
2
3
4
5
1.5.1
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Carefully lift the front seat (left) from the vehicle to the rear via the boot.
–
–
–
–
–
Front side-section trim panel
Footrest
Inner door sill trim (front)
A-pillar trim panel (lower part)
1/3 rear seat
Remove the side trim panel on
the front (  Workshop Manual
'702419 Removing and installing
the trim panel for the front side
panel').
Figure 7
1.5.2
Remove the footrest (  Workshop Manual '703519 Removing and installing the
footrest').
1.5.3
Remove the A-pillar trim panel (lower part) (  Workshop Manual '70571901
Removing and installing the A-pillar trim panel (lower part)').
Tequipment
Installation and Conversion Instructions
1.6
8/20
ENU
2601
2
Expose the B-pillar area (left side) ( Figure
8)
1
2
3
4
5
6
1.6.1
1.6.2
–
–
–
–
–
–
B-pillar trim panel (upper part)
B-pillar trim panel (lower part)
(Inner) door sill trim
C-pillar trim panel (lower part)
Side trim panel of the boot (left side)
Bulkhead cover
Loosen the B-pillar trim panel (upper
part) and leave it hanging on the
belt strap (  Workshop Manual
'70671901 Removing and installing
the B-pillar trim panel (upper part)').
Remove the inner door sill trim (
 Workshop Manual '680519
Removing and installing the inner
door sill trim')
1.6.3
1.7
Cayenne (9YA)
Figure 8
Remove the B-pillar trim panel (lower part) (  Workshop Manual '70671903
Removing and installing the B-pillar trim panel (lower part)').
Expose C-pillar/luggage compartment area
1.7.1
Remove the cover for the (rear) lock carrier (  Workshop Manual '703919
Removing and installing the cover for the front lock carrier').
1.7.2
Remove the luggage compartment light side trim (left/right) (  Workshop Manual
'964019 Removing and installing the luggage compartment light side trim').
1.7.3
Remove the side trim panel for the luggage compartment (left/right) (  Workshop
Manual '700319 Removing and installing the side trim panel for the rear luggage
compartment').
1.7.4
Remove C-pillar trim panel (lower part) on the left side (  Workshop Manual
'70681901 Removing and installing C-pillar trim panel (lower part)').
1.7.5
Push the 1/3 rear seat forward and remove the cover on the bulkhead.
CAUTION
Hot components
•
Risk of burns

Let hot components cool down.

Wear personal protective gear.
Tequipment
Aug 16, 2021
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Cayenne (9YA)
2601
ENU
1.8
Installation and Conversion Instructions
8/20
Work in the exhaust system area
1
2
3
4
–
–
–
–
Cover for rear underbody
Rear tunnel cover
Front underbody cover (rear section)
Tailpipe (left/right)
1.8.1
Remove rear underbody cover
and rear tunnel cover ( Figure 9
-1 and 2-)  Workshop Manual
'519419 Removing and installing
cover for rear underbody'
1.8.2
Remove the tailpipe (left/right) (
Figure 9 -4-,  Workshop Manual
'263419 Removing and installing
the tailpipe').
1.8.3
Secure catalytic converter exhaust
pipe(s) on the transmission support
Figure 9
using restraining strap for securing
loads, for example, to prevent them from bending down.
CAUTION
Heavy components
•
Risk of pinching

Wear personal protective gear.

Get someone to help if necessary.
1.8.4
2
Aug 16, 2021
Page 8 of 22
Remove exhaust system WITHOUT removing tunnel strut (  Workshop Manual
'260119 Removing and installing exhaust system').
Replacing engine noise control unit
2.1
Check whether there is a tie-wrap on the side tab on the engine noise control unit. Remove
the tie-wrap if necessary.
2.2
Disconnect plug connection for the standard engine noise control unit and remove engine
noise control unit with holder.
Tequipment
Installation and Conversion Instructions
2.3
Cayenne (9YA)
8/20
ENU
2601
2
Remove standard engine noise control unit
from control unit holder ( Figure 10).
1
2
3
4
5
6
–
–
–
–
–
–
Control unit holder
Engine noise control unit
Wire harness for engine noise
Line clip
Dome strut
Engine noise pulse sender (LHD
position)
Figure 10
2.4
Insert new engine noise control unit at the
underside in the control unit holder ( Figure
11 -LHD vehicle -).
1
2
3
2.5
3
– Engine noise control unit
– Control unit holder.
– Locking/unlocking
Install the holder with the engine noise control
unit to the strut brace (plenum panel area
 Figure 10).
Routing and connecting wire harness for exhaust
flaps
Figure 11
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Cayenne (9YA)
2601
ENU
Installation and Conversion Instructions
8/20
Connections for wire harness for exhaust flaps
( Figure 12):
1
2
3
3.1
– Connector for connection point (preparation
of exhaust flaps, 6-pin)
– Branch for exhaust flap (left)
– Branch for exhaust flap (right)
Make a plug-in connection (6-pin) between the
connection point (preparation) and exhaust
flaps
Figure 12
3.1.1
Expose the connection point (preparation = socket connector, 6-pin)
in the passenger compartment
of the vehicle, area of bulkhead
grommet, A-pillar left ( Figure 13
-LHD vehicle -).
1
2
3
3.1.2
3.1.3
3.1.4
3.2
Aug 16, 2021
Page 10 of 22
– Foam preparation (socket
connector, 6-pin)
– Grommet on bulkhead
(LHD vehicle)
– Connector for wire
harness for exhaust flaps
(6-pin)
Push the foam preparation (socket
connector, 6-pin) onto the line on
the vehicle side.
Figure 13
Establish a connection between the
plug connection preparation and the wire harness for the exhaust flaps (6-pin)
Figure 13 -RHD vehicle -).
Push the foam over the plug connection (6-pin).
Lay the wire harness for the exhaust flaps to the rear of the vehicle as follows
Tequipment
Installation and Conversion Instructions
Cayenne (9YA)
8/20
ENU
2601
2
Route of the wire harness for exhaust flaps in
the vehicle ( Figure 14):
1
2
3
– Connection point (preparation)
– Grommet/stopper for luggage
compartment floor (left)
– Grommet/stopper for luggage
compartment floor (right)
Figure 14
3.2.1
A-pillar area, left ( Figure 15)
1
2
3
•
– Socket connector (6-pin,
preparation)
– Pin connector (6-pin, wire
harness for exhaust flaps)
– Fuses/relays (LHD
vehicles)
LHD vehicles: Connecting
point (preparation = socket
connector, 6-pin)) → along
wire harness A-pillar, left →
beneath fuses/relays (DO
NOT remove the relay carrier at most loosen it.) → Door sill
A-pillar, left
Figure 15
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Cayenne (9YA)
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Installation and Conversion Instructions
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3.2.2
Door sill area, left ( Figure 16)
1
2
3
•
3.2.3
Door sill A-pillar, left → along
wire harness for door sill, left
(open cable ducts/holders if
necessary) → wheel housing,
rear left
Figure 16
Wheel housing area. left ( Figure
17)
1
2
3
4
5
•
Aug 16, 2021
Page 12 of 22
– Wire harness for exhaust
flaps
– Cable holder, door sill
B-pillar area (left)
– Cable duct, rear door sill
area (left)
– Cable duct, rear door sill
area (left)
– Cable duct, rear wheel
housing area (left)
– Fuse box in the boot (left)
– Grommet/stopper for
luggage compartment
floor, left (∅ 66.5 mm)
– Branch for exhaust flap,
right side
Figure 17
Door sill, left → above wheel housing, left → branch for exhaust flap (left) to
grommet/stopper for luggage compartment floor, left (beneath fuse/relay
carrier) → branch for exhaust flap, right of the rear end plate
Tequipment
Installation and Conversion Instructions
3.2.4
8/20
ENU
2601
2
Rear end plate area and
grommet/stopper for luggage
compartment floor ( Figure 18)
1
2
3
4
5
•
3.3
Cayenne (9YA)
– Branch for exhaust flap
(left)
– Branch for exhaust flap
(right)
– Fuse box in the boot (left)
– Grommet/stopper for
luggage compartment
floor, left (∅ 66.5 mm)
– Grommet/stopper for
luggage compartment
floor, right (∅ 46 mm)
Figure 18
Branch for exhaust flap (left) to grommet/stopper for luggage compartment
floor, left (beneath fuse box in luggage compartment (left) → branch for
exhaust flap on the right to rear closing panel → along rear closing panel (
Figure 18 -top-) → grommet/stopper for luggage compartment floor, right.
Lay the branch for the exhaust flap (left/right) to the underside of the vehicle
3.3.1
Loosen the fuse box with the holder
in the luggage compartment, rear
left, and turn it aside ( Figure 19,
 Workshop Manual '978409 fuse
box in the luggage compartment').
1
2
3.3.2
3.3.3
– Fuse box with holder
– Grommet (left = ∅ 66.5
mm)
Loosen the heat shield on the
underside of the vehicle in the area
of the grommet (right/left) and
stopper (right/let) and bend it down
slightly.
Figure 19
Remove the stoppers in the luggage compartment floor (left = ∅ 66.5 mm/right
= ∅ 46 mm). The stopper is replaced by a corresponding grommet (see parts
package).
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Cayenne (9YA)
2601
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Installation and Conversion Instructions
8/20
3.3.4
ONLY if a grommet with several
lines is installed on the underside
(including an exhaust flap branch
(left/right of the standard rear
silencer  Figure 20):
1
2
3
•
•
•
•
•
1
2
3
3.3.5
Remove grommet(s) (left/right)
with branches and guide it into
Figure 20
the passenger compartment.
Remove the connector housing from the respective exhaust flap branch
(left/right of the standard rear silencer).
Spread the grommet using a three mandrel pliers for hoses and grommets
(commercially available) and remove adhesive residue from the grommet.
CAREFULLY guide the exhaust flap standard branch through the grommet
into the passenger compartment and wrap it with insulating tape and secure it
.
Guide the new branch for the exhaust flap (left/right) through the neck of the
grommet (see also 3.3.6) OR through another hole in the grommet collar
( Figure 21) CAREFULLY to the underside of the grommet.
– Sleeve
– Branch for exhaust flap
(left/right)
– Additional electric line
ONLY if a grommet is installed with
the exhaust flap branch (left/right of
the standard rear silencer):
•
•
Aug 16, 2021
Page 14 of 22
– Sleeve
– Branch for exhaust flap
– Exhaust flap (standard rear
silencer)
Remove grommet(s) with
branch connections to the
exhaust flap (left/right)
and guide it/them into the
passenger compartment.
Tie back the exhaust flap
branch (left/right) with the
connector and grommet
on the wire harness on the
vehicle side in the passenger
compartment.
Tequipment
Figure 21
Installation and Conversion Instructions
•
3.3.6
2
Guide the new branch for the
exhaust flap (left/right) through
the new grommet (left = ∅ 66.5
mm/right = ∅ 46 mm Figure
22) using three mandrel pliers and
an auxiliary line (Tekalan or Teflon
tube).
– Three mandrel pliers
– Grommet, right (∅ 46 mm)
Figure 22
Release the socket housing (4-pin,
see parts list) ( Figure 23 -LHD
vehicle -).
1
2
3.4.2
2601
Remove the stoppers (left = ∅ 66.5 mm/right = ∅ 46 mm).
Use a new grommet (left = ∅ 66.5 mm/right = ∅ 46 mm, see scope of
parts).
Installing the socket housing on the exhaust
flap branch
3.4.1
ENU
ONLY if stopper (left = ∅ 66.5 mm/right = ∅ 46 mm) is installed:
1
2
3.4
8/20
Use a new grommet (left = ∅ 66.5 mm/right = ∅ 46 mm, see scope of parts)
(see also 3.3.6).
•
•
3.3.7
Cayenne (9YA)
– Fuse
– Plug socket (4-pin)
Connect the lines with female
contacts and single-core seals (wire
harness for exhaust flaps) in the
socket housing (4-pin, see parts list)
as follows:
•
Figure 23
Left exhaust flap:
Plug socket (4-pin)
Line/function
Chamber 1
BN; 0.5² = Terminal 31 (Ground)
Chamber 2
SW/BN; 0.75 ² = Pulse Width Module (PWM)
Chamber 3
RT/WS; 0.5 ² = Terminal 87 (power supply, fuse
Chamber 4
GN/RT; 0.35 ² = Pulse Width Module out (PWM)
Tequipment
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Cayenne (9YA)
2601
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Installation and Conversion Instructions
8/20
•
Right exhaust flap:
Plug socket (4-pin)
Line/function
Chamber 1
BN; 0.5² = Terminal 31 (Ground)
Chamber 2
SW/BL; 0.5 ² = Pulse Width Module (PWM)
Chamber 3
RT/WS; 0.5 ² = Terminal 87 (power supply, fuse
Chamber 4
RT / SW; 0.35 ² = Pulse Width Module out (PWM)
3.4.3
Lock the socket housing (4-pin, see parts list) ( Figure 23 -RHD vehicle -).
3.4.4
Wrap cables (4 x) with insulating tape from a distance of approx. 30 mm from the
connector (socket housing 4-pin) as far as the underbody.
3.4.5
Install corrugated hose 4.5 x 7.6 x
X to each branch from a distance of
approx. 30 mm from the connector
(socket housing 4-pin) to the
underbody ( Figure 24).
1
2
3
4
X
•
•
3.5
– Corrugated hose, 4.5 x
7.6 x X
– Connector (socket housing
4-pin)
– Branch for exhaust flap
(right)
– Tie-wrap
– approx. 30 mm
Left side: Corrugated hose, 4.5 x 7.6 x 220
Right side: Corrugated hose, 4.5 x 7.6 x 230
Check fuse assignment of exhaust flaps and
engine sound pulse generator in the fuse
box (left A-pillar footwell  Figure 25) (
Cayenne Driver's Manual, section on 'Fuses')
1
2
3.5.1
– Fuse strip A
– Fuse strip D
Check that slot A4 is inserted into
fuse strip A (exhaust flaps) and
secure with a new fuse if necessary.
Fuse: Nominal value 7.5 A
3.5.2
Aug 16, 2021
Page 16 of 22
Figure 24
Figure 25
Check that slot D3 is inserted into
fuse strip D (structure-borne noise control unit, engine noise generator) and secure
with a new fuse if necessary.
Tequipment
Installation and Conversion Instructions
Cayenne (9YA)
8/20
ENU
2601
2
Fuse: Nominal value 15 A
4
Install new exhaust system
4.1
Install new center silencer with new clamping
sleeve (∅ 65 x 88) (  Workshop Manual
'260119 Removing and installing exhaust
system').
1
2
3
4
5
6
7
8
–
–
–
–
–
–
–
–
Clamping sleeve, ∅ 65 x 88
Center silencer holder, front left
Center silencer holder, front right
Center silencer
Center silencer retaining ring
Clamping sleeve, ∅ 65 x 88
Rear silencer
Sports tailpipes, Black chromeplated, left
– Sports tailpipes, Black chromeplated, right
9
•
•
4.2
Install new rear silencer with a new clamping sleeve, ∅ 65 x 88 (2 x) (  Workshop Manual
'263355 Replacing rear silencer').
•
•
4.3
Hexagon flange bolt, M10 x 30 (center
silencer holder): Tightening torque
Figure 26
49 Nm (36 ftlb.)
Clamping sleeve, ∅ 65 x 88: Tightening torque 30 Nm (22 ftlb.)
Hexagon flange bolt, M8 x 25 (rear silencer holder): Tightening torque 23 Nm
(17 ftlb.)
Clamping sleeve, ∅ 65 x 88: Tightening torque 30 Nm (22 ftlb.)
Connect electric plug connections for servo motor for exhaust flap (left/right).
4.3.1
Pull the excess branch wire for the exhaust flap (left/right) towards the grommet in
the floor of the vehicle.
4.3.2
Seal the line bushing for the exhaust flap in the grommets (left/right) from the
inside and outside using sealing cord.
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Install new sports tailpipes (silver or black)
and align them with the rear apron 
Installation and Conversion Instructions
'263400 (sports tailpipe, double inlet – silver
(0P3)/black (0P6)').
1
2
3
4.4.1
– Sports tailpipe – inner (right)
– Sports tailpipe – outer (right)
– Exhaust system cover (rear apron)
Check that the gap between the
new sports tailpipes and exhaust
system cover (rear apron – left and
right side of vehicle) is symmetric
and constant and adjust it if
necessary.
 Figure 27 -Z-: Control value 21
mm +/-1 mm
4.4.2
Figure 27
Check spacing of inner/outer
sports tailpipe (left and right side of vehicle) and make adjustments if necessary.
 Figure 27 -Za-: Control value 11 mm +/-1 mm
4.4.3
Tighten lens-head screw, M6 x 12 (underside of sports tailpipe cover).
Tightening torque 8 Nm (6 ftlb.) +/-1 Nm (+/-0.5 ftlb.)
4.5
5
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Install all covers to the underbody of the vehicle.
Concluding work for vehicle interior/engine compartment (plenum panel)
5.1
Secure routed wire harness (for exhaust flaps) in the vehicle to existing lines/components
with tie-wraps without tensile stress and so that no chafing occurs.
5.2
Install trim panels in the boot and C-pillar area.
5.3
Install trim panels in the B-pillar and A-pillar area (left side).
5.4
Installing the seat assembly
5.4.1
Carefully lift the front seat into the vehicle via the boot and install it with a new
cheese head bolt (  Workshop Manual '720119 Removing and installing the front
seat').
5.4.2
Carefully lift the 2/3-split folding rear seat into the vehicle via the boot and install
it with a new cheese head bolt (  Workshop Manual '724819 Removing and
installing the rear seat').
5.4.3
Install padding for rear seat surface (2/3-split folding rear seat) with new fixing clip
(  Workshop Manual '74491901 Removing and installing padding for rear seat
surface (2/3-split folding rear seat)').
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Installation and Conversion Instructions
5.5
Coding:
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Complete the engine compartment (plenum panel) area.
5.5.1
Install cowl panel cover (  Workshop Manual '508719 Removing and installing
cowl panel cover')
5.5.2
Install front lid seal (  Workshop Manual '553319 Removing and installing front lid
seal').
5.5.3
Install wiper arms (  Workshop Manual '922519 Removing and installing wiper
arm').
5.5.4
Install windscreen moulding (  Workshop Manual '666119 Removing and
installing moulding for windscreen').
Coding/programming sports exhaust system - Silver (0P8)/Black (0P9)
NOTICE
Voltage drop
•
Risk of irreparable damage to control unit
•
Risk of damage to control unit
•
Fault entries in the control unit
•
Coding in the control unit is aborted
•
Malfunctions in control unit, even during programming

Switch off the ignition and remove the ignition key before disconnecting the control unit.

Ensure that the power supply is not interrupted during programming.

Connect a battery charger with a current rating of at least Nominal value 90 A to the vehicle
battery.
6.1
Preparatory work – Coding
NOTICE
Control unit programming will be aborted if the Internet connection is unstable.
•
An unstable Internet connection can interrupt communication between PIWIS Tester
III and the vehicle communication module (VCI). As a result, control unit programming
may be aborted.

During control unit programming, always connect PIWIS Tester III to the vehicle
communication module (VCI) via the USB cable.
6.1.1
9900 - PIWIS Tester 3 must be connected to the vehicle and switched on.
6.1.2
Switch on ignition AND hazard warning lights on the vehicle.
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Installation and Conversion Instructions
Information
The 9900 - PIWIS Tester III instructions take precedence since the description
may be different with later Tester releases.
The procedure described here has been structured in general terms; different text
or additions may appear on the 9900 - PIWIS Tester III.
6.1.3
Select the "Diagnostics" menu item on the PIWIS Tester.
6.1.4
If 9900 - PIWIS Tester 3 is connected correctly, a connection to the vehicle will be
established: "Cayenne" model line is detected.
6.1.5
Press •F12“ to go to the control unit search screen.
6.1.6
Confirm the question: "Create vehicle analysis log (VAL)?" with "Yes" = •F12“.
6.1.7
Select "KD-FAP" in the next menu item and press •F8“ to start.
Information
The function is ONLY available when the Tester is online!
6.2
Enter the new vehicle equipment in the vehicle data using "PIWIS Online"
6.2.1
Press •F7“ in the control unit overview to switch to the “Additional menu”.
6.2.2
Select the function "Maintenance of vehicle data with PIWIS ONLINE".
A message appears informing you that the "Actual" (vehicle) data and "Required"
(PIWIS Online) data will be compared.
Press •F12“ to continue.
6.2.3
Confirm the message "The vehicle data was compared with PIWIS Online.
Significant differences were found" with •F12“.
6.2.4
Look for the option "INTERIOR SOUND MEASURES (VW SILENCERS)" in the "Family"
column.
Select the option "2HB – INTERIOR SOUND MEASURES (SHAKER)" from the
drop-down menu in the "Value" column.
6.2.5
Look for the option "EXHAUST TAILPIPE" in the "Family" column.
Select "0P8 – SPORTS EXHAUST SYSTEM – STAINLESS-STEEL TAILPIPES" or "0P9
– SPORTS EXHAUST SYSTEM – BLACK TAILPIPES" from the drop-down menu in the
"Value" column, depending on the installed option.
Press •F12“ to continue.
6.2.6
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A table containing the coding value and the columns "new value" and "old value" is
displayed in the overview. Press •F8“ to continue.
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Data is then written/stored. The following messages appear one after the other:
•
•
•
•
6.3
Cayenne (9YA)
Transferring vehicle data to PIWIS Online.
Writing and transferring vehicle data to the vehicle.
Vehicle order was written successfully.
A check was performed in order to check whether control units have to be
coded or programmed as a result of the changes that were made.
Code/program the new vehicle equipment.
6.3.1
Confirm the table containing a list of control units that must be coded/programmed
by pressing •F12“.
6.3.2
Individual data records will be loaded, depending on the number of control units to
be coded/programmed.
Wait until the message "Creating backup documentation. Please wait..." and
"Coding was completed successfully" appears. Press •F12“ to continue.
Repeat the process for other control units if necessary.
6.3.3
Wait until the message "Adaptation of the control units is complete." appears and
check the coding status of the control units in the table that is displayed.
Continue by pressing •F12“ to return to the control unit overview.
7
6.4
Read out the fault memories of all systems, work through any existing faults and erase the
fault memories.  Workshop Manual '0335IN Diagnostic maintenance: diagnostic system
and maintenance inter…'
6.5
Switch off ignition and disconnect 9900 - PIWIS Tester 3.
6.6
Drive the vehicle off the lifting platform.
Perform “Sports exhaust system” function test
7.1
Start the engine.
7.2
Activate/deactivate the sports exhaust system, depending on vehicle equipment, using the
following option:
•
•
7.3
Porsche Communication Management: Select the menu "Car" → "Drive" → "Sports
exhaust system".
Porsche Communication Management: Select "SPORT" or "SPORT PLUS"
Switching off ignition
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Installation and Conversion Instructions
–Sports exhaust system (1 x) retrofitted–
Includes:
Replacing engine noise control unit;
Routing and connecting electric wire harness for exhaust
flaps;
Replacing center and rear silencers;
Installing and aligning new sports tailpipes (4 x);
Coding sports exhaust system;
Reading out fault memory and correcting and deleting faults.
Without:
Test drive
Labor time: 609 TU
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training
courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special
tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the
safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and
safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a
discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.
© 2021 Porsche Cars North America, Inc.
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