Installation and Conversion Instructions

911 (992)
21/19

ENU

2601

2

Sports Exhaust System - Silver (0P5 / 0P8) / Black (0P9)

Revision:

This bulletin replaces bulletin Group 2 21/19, dated March 17, 2020.

Model Year:

As of 2020

Vehicle Type:

911 Carrera / 911 Carrera S
911 Carrera 4 / 911 Carrera 4S
911 Targa 4 / 911 Targa 4S / 911 Targa 4S Heritage Design Edition

Engine Types:

DKC (basic engine) = flat 6-cylinder Boxer engine / 3.0 liter / 283 kW (385 hp)
•

DKCA with power class D5S = 283 kW (385 hp) for standard models

DKK (basic engine) = flat 6-cylinder Boxer engine / 3.0 liter / 331 kW (450 hp)
•

DKKA with power class DW1 = 331 kW (450 hp) for S models

Restrictions:

ONLY approved for vehicles produced from 39/2018 (week / year).

Cause:

Retrofitting

Figure 1
Notes:

In the sports exhaust system, the signal for activating the flaps in the muffler comes from the respective
current map in the DME control unit. This depends on the driving status and accelerator pedal position,
among other things.
The engine power and exhaust behavior of the vehicle are not affected.

Tequipment

Jul 26, 2023
Page 1 of 13

2

911 (992)
2601

ENU

Installation and Conversion Instructions

21/19

The sports exhaust system is also available ex-factory for new vehicles by requesting optional equipment
“0P8 – Sports exhaust system (Brushed stainless steel look tailpipe)” or “0P9 – Sports exhaust system
(Black chrome-plated look tailpipe)”.
Switching the sports exhaust system on and off:
•
•
•

Parts Info:

Porsche Communication Management ( Figure 1): Select the menu “Car” → “Drive” → “Exhaust
system”
Porsche Communication Management ( Figure 1): Select “SPORT” or “SPORT PLUS”
“Twin tailpipe” button in the new button strip (below PCM, see also “911 – Good to know – Driver’s
Manual” – “Practical Tips” section and “Switch strip”)

992.044.210

 Sports exhaust system (0P8) – Tailpipe in chrome-plated silver
look–, set
 Sports exhaust system (0P9) – Tailpipe in chrome-plated black
look–, set

992.044.212

ONLY for vehicles from MY’21 (M):
992.044.213

 Sports exhaust system (0P5) –Tailpipe, silver nano-coated–,
set

Information
ONLY for additional parts to be ordered separately:
If necessary, check the additional scopes of the vehicle to be converted with the respective vehicle identification number (VIN) in the Porsche Electronic Parts Catalogue = PET before ordering.
Check model year, vehicle equipment (I-no.), body and country versions in the standard catalogue!
Also order the following parts in accordance with vehicle equipment:
992.941.209.Cx

1x

 Button module

Vehicles WITHOUT SportDesign package (– 2D1):
992.807.833.A.OK1

1x

 Exhaust pipe cover, left, matt black

992.807.834.A.OK1

1x

 Exhaust pipe cover, right, matt black

992.807.983.C.OK11

1x

 Cover, lower rear, matt black– USA/Canada

1

Check country version.

Vehicles WITH SportDesign package (+ 2D1):

Jul 26, 2023
Page 2 of 13

992.807.833.C.OK1

1x

 Exhaust pipe cover, left, matt black

992.807.834.C.OK1

1x

 Exhaust pipe cover, right, matt black

992.807.983.F.OK1

1x

 Cover, lower rear, Matt Black

Tequipment

Installation and Conversion Instructions

911 (992)
21/19

ENU

2601

2

Parts List:

Figure 2
992.253.143.A

2x

Clamping sleeve, ∅ 70 x 75  Figure 2 -1-

992.251.571

2x

Restraining strap  Figure 2 -2-

992.251.053.A

1x

Muffler assembly for sports exhaust system  Figure 2 -3-

N .912.425.01

6x

Speed nut, St 4.8 x 22 x 18 (exhaust pipe cover)  Figure 2 -4-

992.251.187.P2

1x

Sports tailpipe, Black chrome-plated, left  Figure 2 -5-

992.251.188.P2

1x

Sports tailpipe, Black chrome-plated, right  Figure 2 -6-

992.251.187.N2

1x

Sports tailpipe, Silver chrome-plated, left (not shown)

992.251.188.N2

1x

Sports tailpipe, Silver chrome-plated, right (not shown)

992.251.187.AG2

1x

Sports tailpipe, silver nano-coated, left (not shown)

992.251.188.AR2

1x

Sports tailpipe, silver nano-coated, right (not shown)

PAF.912.769

6x

Screw, 4.8 x 16 (not shown)

2

Tools:

ONLY contained in respective set.

P90999 - P90999 - PIWIS Tester 4
VAS 6931 Transmission and gearbox jack

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Jul 26, 2023
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2

911 (992)
2601

ENU

Installation and Conversion Instructions

21/19

VAG 1332 Torque wrench, 40-200 Nm (30-148 ftlb.)
VAG 1783 Torque wrench 2-10 Nm (1.5-7.5 ftlb.)
Restraining strap for securing loads
Assembly:

1

Preparatory work
1.1

Drive the vehicle onto a lifting platform.  Workshop Manual '4X00IN Raise the vehicle'

1.2

Connect battery charger.  Workshop Manual '2X00IN Trickle charging 12-volt lithium-ion
battery'

1.3

Remove wheels on rear axle.  Workshop Manual '440519 Removing and fitting wheel'

1.4

Remove the rear bumper.  Workshop
Manual '635519 Removing and installing rear
bumper'
1
2

1.5

2

– Air guide for charge-air cooling
– Bumper bracket with foam section

Remove bumper rear.  Workshop Manual
'635019 Removing and installing bumper
rear',  Figure 4

Replace muffler
Figure 4

CAUTION
Hot components
•

Risk of burns



Let hot components cool down.



Wear personal protective gear.
CAUTION

Heavy components
•

Risk of pinching



Wear personal protective gear.



Get someone to help if necessary.

Jul 26, 2023
Page 4 of 13

2.1

Position engine and gearbox jack under the exhaust system (in transfer box area) and
secure the exhaust system with restraining straps to prevent it from falling down.

2.2

Disconnect electric plug connection for exhaust flap (left/right) on the muffler.

Tequipment

Installation and Conversion Instructions

911 (992)
21/19

ENU

2601

2

Information
The help of another person is required for this step.
2.3

Remove muffler.  Workshop Manual '263319 Removing and installing rear muffler'

2.4

Install new sports exhaust system muffler  Workshop Manual '263319 Removing and
installing rear silencer'
2.4.1

Engage new restraining straps
(2 pc(s)) with screw heads facing
downwards on the muffler holder
( Figure 5).
1
2

– New restraining strap (2 x)
– Muffler holder

Figure 5
2.4.2

Remove transport protection shell
on the new muffler in the exhaust
flap connector area ( Figure 6).
1
2

– Transport protection shell
– Exhaust pipe on muffler
(right)

2.4.3

Coat exhaust pipe on catalytic
converter (at the left / right) and on
the new muffler (at the left / right)
with high-temperature grease.

2.4.4

Figure 6
Install new clamping sleeve ∅ 70 x
75 (2 pc(s)) on exhaust pipe on catalytic converter (at the left / right).

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911 (992)
2601

ENU

Installation and Conversion Instructions

21/19

Information
The help of another person is required for this step.
2.4.5

Position new silencer for sports
exhaust system on the muffler
holder and pre-install hand-tight
with new restraining straps (2 pc(s))
( Figure 7).
1

– Muffler for sports exhaust
system
– Clamping sleeve, ∅ 70 x
75
– Tension strap
– Protective plate

2
3
4
2.4.6

Check whether the protective plate
is touching the catalytic converter
( Figure 7 -Magnifiers-).
•

•

If YES ( Figure 7 -A-):
Correct the position of the
Figure 7
silencer or bend the cover
away if necessary so that there is a gap of at least 3–5 mm ( Figure 7 -B-)
between the plate and catalytic converter.
If NO ( Figure 7 -B-): continue with the next step.

2.4.7

Move new clamping sleeve ∅ 70 x 75 (2 pc(s)  Figure 7 -2-) as far as the
markings on the exhaust pipe on the catalytic converter/muffler, align the opening
horizontally and pre-install hand-tight.

2.4.8

Tighten restraining straps (2 pc(s)).
Tightening torque 15 Nm (11.1 ftlb.) +/-10 %

2.4.9

Tighten clamping sleeve (∅ 70 x 75, 2 pc(s)).
Tightening torque 30 Nm (22.1 ftlb.) +/-10 %

2.5

Install rear bumper (  Workshop Manual '635019 Removing and installing rear bumper').
Hexagon-head bolt, M8 x 30 (8 x): Tightening torque 23 Nm (17 ftlb.)

3

Modifying rear bumper
3.1

Jul 26, 2023
Page 6 of 13

Remove rear skirt, see also  Workshop Manual '636819 Removing and installing rear skirt'

Tequipment

Installation and Conversion Instructions
3.1.1

3.1.3

ENU

2601

2

– Screw, 4.8 x 16
– Trim frame for tailpipe
cover (left)

Unclip/disengage electric wire
harness near the rear skirt and air
guide(s).

Figure 8

ONLY for vehicles WITH SportDesign package (+ 2D1):
1
2
3
4
5
•
•

3.2

21/19

Remove tailpipe cover trim
frame (left  Figure 8/ right).
 Workshop Manual '637019