Please wait… 
Please wait while we process your order,
do not press the back button… 
Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png +443456003478 https://d911api.datadial.net Facebook Instagram
Porsche specialists based in the UK
Porsche > 991 (911) MK2 2016-2019 > Exhausts >

Sport Silencers / Mufflers

Refine by Car Type
Filter by brand
DISPLAYING 17 to 31 (of 31 products)
1 2
Milltek Sports Rear Silencer Bypass, GT-100 Brushed Titanium Trims. Porsche 991.2 GT3 / GT3 RS 2018-20 - 99711102792, 99711102799, 99711102790 - SSXPO197
2
Milltek Sports Rear Silencer Bypass, GT-100 Brushed Titanium Trims. Porsche 991.2 GT3 / GT3 RS 2018-20
SSXPO197
Product Information
Product Information
Milltek Sports Rear Silencer Bypass, GT-100 Brushed Titanium Trims.
Works With OE Valved Side Silencers.

Fits:
Porsche 991.2 GT3 MKII 2018>>2020
Porsche 991.2 GT3 RS MKII 2018>>2020

Parts Assembly:
MSPO245 - Rear Silencer Delete Assembly
MSPO250 - Trim Mounting Plate
MSTIP201 - x2 4.0" Brushed Titanium Tips

Tailpipes: 100mm GT100


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

SSXPO197
99711102792
99711102799
99711102790

The product you are viewing cross references to these numbers
Milltek Sports Rear Silencer Bypass, GT-100 Cerakote Black Trims. Porsche 991.2 GT3 / GT3 RS 2018-20 - 99711102792, 99711102799, 99711102790 - SSXPO196
2
Milltek Sports Rear Silencer Bypass, GT-100 Cerakote Black Trims. Porsche 991.2 GT3 / GT3 RS 2018-20
SSXPO196
Product Information
Product Information
Milltek Sports Rear Silencer Bypass, GT-100 Cerakote Black Trims.
Works With OE Valved Side Silencers.

Fits:
Porsche 991.2 GT3 MKII 2018>>2020
Porsche 991.2 GT3 RS MKII 2018>>2020

Parts Assembly:
MSPO245 - Rear Silencer Delete Assembly
MSPO250 - Trim Mounting Plate
MSTIP200 - x2 4.0" Cerakote Black Tips

Tailpipes: 100mm GT100B


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

SSXPO196
99711102792
99711102799
99711102790

The product you are viewing cross references to these numbers
Milltek Sports Rear Silencer Bypass, GT-100 Polished Trims. Porsche 991.2 GT3 / GT3 RS 2018-20 - 99711102792, 99711102799, 99711102790 - SSXPO195
2
Milltek Sports Rear Silencer Bypass, GT-100 Polished Trims. Porsche 991.2 GT3 / GT3 RS 2018-20
SSXPO195
Product Information
Product Information
Milltek Sports Rear Silencer Bypass, GT-100 Polished Trims.
Works With OE Valved Side Silencers.

Fits:
Porsche 991.2 GT3 MKII 2018>>2020
Porsche 991.2 GT3 RS MKII 2018>>2020

Parts Assembly:
MSPO245 - Rear Silencer Delete Assembly
MSPO250 - Trim Mounting Plate
MSTIP199 - x2 4.0" Polished Tips

Tailpipes: 100mm GT100


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

SSXPO195
99711102792
99711102799
99711102790

The product you are viewing cross references to these numbers
Race Exhaust switchable Porsche 991.2 Carrera in Titanium with Black Diamond tail pipe finish - DesignTek - 9P1251053A, 9P1251053C - TI/EX-PS991230T-2/101AT
9
Race Exhaust switchable Porsche 991.2 Carrera in Titanium with Black Diamond tail pipe finish - DesignTek
3606009106
Product Information
Product Information
DesignTek Race Exhaust Switachable turbo-back cat bypass system with Black Diamond tail pipe. Titanium.

designtek

Fits:
Porsche 991.2 Carrera (except Turbo / GT3 / R)
For cars with Sport exhaust fitted or cars with sport exhaust bumper conversion (centre exit pipes)
Not suitable for cars built after April 2018 which have PPF fitted.

Please note: This system does not come with valve control system as you can use existing wiring from your sport exhaust. If you wish to have a wireless remote control kit you need to order one here in the basket stage.

Please note: These catalytic bypasses will make your car sound a lot louder than with stock cats. This exhaust is intended for offroad use and will be very loud . We recommend to use sport exhaust if you are concerned about decibel levels.

Please note: It is illegal to fit this product for road use on type-approved vehicles first used on or after 1/3/2001


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606009106
9P1251053A
9P1251053C

The product you are viewing cross references to these numbers
Race Exhaust switchable Porsche 991.2 Carrera with Black Diamond tail pipe finish - DesignTek - 9P1251053A, 9P1251053C - EX-PS991230T-2/101AT
7
Race Exhaust switchable Porsche 991.2 Carrera with Black Diamond tail pipe finish - DesignTek
3606009105
Product Information
Product Information
DesignTek Race Exhaust Switachable turbo-back cat bypass system with Black Diamond tail pipe. Stainless steel.

designtek

Fits:
Porsche 991.2 Carrera (except Turbo / GT3 / R)
For cars with Sport exhaust fitted or cars with sport exhaust bumper conversion (centre exit pipes)
Not suitable for cars built after April 2018 which have PPF fitted.

Please note: This system does not come with valve control system as you can use existing wiring from your sport exhaust. If you wish to have a wireless remote control kit you need to order one here in the basket stage.

Please note: These catalytic bypasses will make your car sound a lot louder than with stock cats. This exhaust is intended for offroad use and will be very loud . We recommend to use sport exhaust if you are concerned about decibel levels.


Please note: It is illegal to fit this product for road use on type-approved vehicles first used on or after 1/3/2001



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606009105
9P1251053A
9P1251053C

The product you are viewing cross references to these numbers
Race sports exhaust silencer bypass x pipe. Porsche 991 turbo / turbo S - 99111173170, 99111173171, 99111173140 - 9M9111173171
4
Race sports exhaust silencer bypass x pipe. Porsche 991 turbo / turbo S
9M9111173171
Product Information
Product Information
Race sports exhaust silencer bypass x pipe.

Fits:
Porsche 991.1 turbo / turbo S - 2014 to 2016
Porsche 991.2 turbo / turbo S - 2016 to 2019

9m 991 Turbo Titanium  X-pipe centre by pass pipe

  • Exhaust reuses the stock tailpipes (tailpipes not included)
  • Direct bolt on
  • Fits all Porsche 991.1 and 991.2 Turbo / Turbo S
  • Made from Titanium TC4

9m 991 Turbo/S centre by pass pipe deletes the stock centre silencer from the rear of the car with a high flow  X-pipe design made from Titanium TC4 and gives the car the extra deep enhanced sound the muffled system is crying out for.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9M9111173171
99111173170
99111173171
99111173140

The product you are viewing cross references to these numbers
Sports exhaust rear silencer Porsche 911 turbo and 911 turbo S - 99111102790, 99111173170, 99111173140 - TSPO991T13.001.A
4
Sports exhaust rear silencer Porsche 911 turbo and 911 turbo S
TSPO991T13.001.A
Product Information
Product Information
Sports exhaust rear silencer Porsche 911 turbo and 911 turbo S (991.1 and 991.2) 2013-2019

tubi

Fits
Porsche 911 turbo 991.1
Porsche 911 turbo S 991.1
Porsche 911 turbo 991.2
Porsche 911 turbo S 991.2

RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector

INSTALLATION
This kit includes the central silencer without bypass valves and replaces the catalytic converters and the rear silencer. The kit is compatible with all 991.1 and 991.2 turbo and turbo S models
The component is perfectly interchangeable with the original components, following the instructions in the constructor's workshop manual

ECU REMAPPING
ENGINE LIGHT
Replacement or removal of components such as catalytic converters, GPFs and electric actuators may cause the engine warning light to come on. In this case, the installer must reprogram the software to eliminate the light

SOUND - TUBI SOUND
Tubi Sound is the standard sound of Tubi Style exhausts, louder and more powerful than the original sound. This sound represents our brand

MATERIAL
AISI 304 STAINLESS STEEL
A choice stainless steel ideal for aggressive environments where combustion emissions can cause serious chemical corrosion on other types of metal

MAIN PIPE DIMENSION - 65mm
This is the diameter of the main pipe of the exhaust system

CATALYTIC CONVERTER REMOVAL
Complete removal of the catalytic converter minimises exhaust back pressure and delivers optimum results in terms of performance and weight reduction

NO EXHAUST BYPASS VALVE
The exhaust system does not include a valve and always guarantees the most impressive sound. If the standard system includes one, control of the valve by both the engine ECU and by the driver via the specific control systems is no longer possible

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TSPO991T13.001.A
99111102790
99111173170
99111173140

The product you are viewing cross references to these numbers
Sports exhaust rear silencer Porsche 911 turbo and 911 turbo S - 99111102790, 99111173170, 99111173140 - TSPO991T13.004.AK
3
Sports exhaust rear silencer Porsche 911 turbo and 911 turbo S
TSPO991T13.004.AK
Product Information
Product Information
Sports exhaust rear silencer Porsche 911 turbo and 911 turbo S with catalytic converters (991.1 and 991.2) 2013-2019

tubi

Fits
Porsche 911 turbo 991.1
Porsche 911 turbo S 991.1
Porsche 911 turbo 991.2
Porsche 911 turbo S 991.2

RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector

INSTALLATION
This kit includes the central silencer without bypass valves and replaces the catalytic converters and the rear silencer. The kit is compatible with all 991.1 and 991.2 turbo and turbo S models
The component is perfectly interchangeable with the original components, following the instructions in the constructor's workshop manual

SOUND - TUBI SOUND
Tubi Sound is the standard sound of Tubi Style exhausts, louder and more powerful than the original sound. This sound represents our brand

MATERIAL
AISI 304 STAINLESS STEEL
A choice stainless steel ideal for aggressive environments where combustion emissions can cause serious chemical corrosion on other types of metal

MAIN PIPE DIMENSION - 65mm
This is the diameter of the main pipe of the exhaust system

NO EXHAUST BYPASS VALVE
The exhaust system does not include a valve and always guarantees the most impressive sound. If the standard system includes one, control of the valve by both the engine ECU and by the driver via the specific control systems is no longer possible

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TSPO991T13.004.AK
99111102790
99111173170
99111173140

The product you are viewing cross references to these numbers
Sports exhaust rear silencer Porsche 991 turbo and turbo S
5
Sports exhaust rear silencer Porsche 991 turbo and turbo S
TSPOCSIT13.800.A
Product Information
Product Information
Sports exhaust rear silencer Porsche 991 turbo and turbo S 2013-2019

tubi

Fits
991.1 and 991.2
Porsche 991 turbo
Porsche 991 turbo S

The muffler can be fitted on all 911 Turbo and Turbo S versions, both 991.1 and 991.2
The component is perfectly interchangeable with the original components, following the instructions in the constructor's workshop manual


RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector

SOUND - TUBI SOUND
Tubi Sound is the standard sound of Tubi Style exhausts, louder and more powerful than the original sound. This sound represents our brand

END TIPS DESIGN - OE
The muffler must be used in conjunction with the original exhaust end tips

END TIPS NUMBER AND POSITION - 2 + 2 AT THE SIDES
The tailpipes are located low down at the sides of the car. There are two tailpipes at each side

MATERIAL - AISI 304 STAINLESS STEEL
A choice stainless steel ideal for aggressive environments where combustion emissions can cause serious chemical corrosion on other types of metal
Sports exhaust rear silencer straight pipe Porsche 911 GT3 GT3 RS and 911 R - 99711102792, 99711102799, 99111102790 - TSPO991GT317.001.T
4
Sports exhaust rear silencer straight pipe Porsche 911 GT3 GT3 RS and 911 R
TSPO991GT317.001.T
Product Information
Product Information
Sports exhaust rear silencer titanium straight pipe Porsche 911 GT3 GT3 RS and 911 R 2013-2019
Made from titanium
Straight pipe replaces rear centre silencer

tubi

FITS 991.1 and 991.2
Porsche 911 GT3 and GT3 RS 2014-2016
Porsche 911 GT3 and GT3 RS 2017-2019
Porsche 911 R 2016
NOT FOR 997

RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector

Replaces centre silencer and tailpipe trims

SOUND - TUBI SOUND
Tubi Sound is the standard sound of Tubi Style exhausts, louder and more powerful than the original sound. This sound represents our brand
END TIPS DESIGN - ROLLED LIP
Tailpipe with external rolled lip

OUTER PIPE DIMENSION - 65mm
CENTRE TIP DIMENSION 50mm
The value refers to the external dimensions of the exhaust end tip

END TIPS FINISH - SANDBLASTED
Titanium is used sandblasted, completely free from flaws, in its natural colour, for a truly stunning appearance

END TIPS NUMBER AND POSITION - 3 CENTRAL
The end tips emerge from the centre

MATERIAL - TITANIUM
KSTi -1,2 ASN titanium alloy was specifically developed for motorsport exhaust systems. It guarantees excellent resistance to oxidation even at high temperatures, with mechanical characteristics similar to those of grade 2 titanium.

CENTRE SILENCER REMOVAL
Complete removal of the centre silencer minimises exhaust back pressure and delivers optimum results in terms of performance and weight reduction

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TSPO991GT317.001.T
99711102792
99711102799
99111102790

The product you are viewing cross references to these numbers
Sports exhaust rear silencer straight pipe Porsche 997 GT3 and GT3 RS
3
Sports exhaust rear silencer straight pipe Porsche 997 GT3 and GT3 RS
TSPOGT3C10.900.AT
Product Information
Product Information
Sports exhaust rear silencer straight pipe Porsche 997 GT3 and GT3 RS
Replaces rear silencer with straight through pipe

tubi

Fits
Porsche 911 GT3 and GT3 RS (997 Gen 1 and Gen 2)
Porsche 911 GT3 and GT3 RS (991.1 and 991.2 upto 2019)

This product can be mounted on every GT3, GTR RS, GT3 RS 4.0 versions, both on 997 Gen 1, Gen 2 and on 991.1 and 991.2 up to 2019

The component is perfectly interchangeable with the original components, following the instructions in the constructor's workshop manual

RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector

SOUND - STRAIGHT PIPE
The straight pipe version guarantees a direct path from the engine, removing all factors which may affect the acoustic tuning


END TIPS NUMBER AND POSITION - 2 CENTRAL
The end tips emerge from the centre

SYSTEM FINISH - POLISHED
Mirror finishes are highly reflective and created by polishing the stainless steel. The polishing process enhances appearance and consistency, making cleaning easier. A special rolling procedure is used. It is essential to remove deep scratches as any surface defects will be very noticeable on the finished product. it improves corrosion resistance. The polishing eradicates crevices where corrosive particles can lodge themselves

MATERIAL - AISI 304 STAINLESS STEEL
A choice stainless steel ideal for aggressive environments where combustion emissions can cause serious chemical corrosion on other types of metal

MAIN PIPE DIMENSION - 65mm
This is the diameter in mm of the main pipe of the exhaust system
Sports exhaust side silencer straight pipe non valved Porsche 991 GT3 and GT3 RS - 99711104782, 99711104784, 99711104781, 99711104882, 99711104881, 99711104884
5
Sports exhaust side silencer straight pipe non valved Porsche 991 GT3 and GT3 RS
3606609140
Product Information
Product Information
Sports exhaust side silencer straight pipe (non valved) Porsche 991GT3 and GT3 RS
Bypass pipes for side mufflers.

designtek

Fits
Porsche 911 GT3 and GT3 RS (991.1 and 991.2 2014-2019)

RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector


Material: Stainless Steel 304
Replacement for Genuine muffler 991.111.048.81



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606609140
99711104782
99711104784
99711104781
99711104882
99711104881
99711104884

The product you are viewing cross references to these numbers
Sports exhaust silencer Porsche 991.2 Carrera 2015-2019 - TSPO991T16.002.A
1
Sports exhaust silencer Porsche 991.2 Carrera 2015-2019
TSPO991T16.002.A
Product Information
Product Information
Sports exhaust standard silencer Porsche 991.2 Carrera 2015-2019

tubi

Fits
Porsche 991.2 Carrera 2015-2019
NOT S

RACETRACK USE ONLY
These components are designed and developed for racetrack use and to maximise the car's performance. They are not street legal and must be installed by professionals in the sector

INSTALLATION
The Carrera exhaust system differs from the Carrera S one in that it does not have bypass valves.
The component is perfectly interchangeable with the original components, following the instructions in the constructor's workshop manual

SOUND - TUBI SOUND
Tubi Sound is the standard sound of Tubi Style exhausts, louder and more powerful than the original sound. This sound represents our brand

END TIPS DESIGN - OE
The muffler must be used in conjunction with the original exhaust end tips

EXHAUST FINISH - POLISHED
Mirror finishes are highly reflective and created by polishing the stainless steel. The polishing process enhances appearance and consistency, making cleaning easier. A special rolling procedure is used. It is essential to remove deep scratches as any surface defects will be very noticeable on the finished product. it improves corrosion resistance. The polishing eradicates crevices where corrosive particles can lodge themselves

END TIPS NUMBER AND POSITION
2 + 2 AT THE SIDES
The tailpipes are located low down at the sides of the car. There are two tailpipes at each side

MATERIAL - AISI 304 STAINLESS STEEL
A choice stainless steel ideal for aggressive environments where combustion emissions can cause serious chemical corrosion on other types of metal
Titanium Exhaust final muffler with carbon tailpipes Porsche 991 GT3 - DesignTek - 99711102799, 99711102790, 99711102792 - GT3, R
5
Titanium Exhaust final muffler with carbon tailpipes Porsche 991 GT3 - DesignTek
3606609124
Product Information
Product Information
Titanium Exhaust final muffler with carbon tailpipes

designtek

High quality titanium exhaust rear section compatible with OE rear mufflers. Complimented by carbon fibre tail pipe in ⌀89mm

Designed for maximum flow and no restriction.

Reduced back pressure and better scavenging. More torque and horsepower across the RPM band.

Fits:
Porsche 991 GT3 3.8L 476 Bhp 2013 - 2017 (A175 engine)
Porsche 991 GT3 RS 4.0L 507 Bhp 2013 - 2017 (A175 engine)
Porsche 911 R 4.0L 507Bhp 2014-2017 (A176 engine)

Please note: This will not fit cars:
- with engine codes DNSA / DNSB - 4.0L with 520 Bhp
- released after 06/2017 with engine codes DGG / DGGA / DGGB

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606609124
99711102799
99711102790
99711102792

The product you are viewing cross references to these numbers
Titanium sports exhaust rear silencer valved from Rennline. Porsche 991.2 with centre exhaust - 9P251053B, 9P251053D - EX32 BLACK, EX32 SILVER, EX32
8
Titanium sports exhaust rear silencer valved from Rennline. Porsche 991.2 with centre exhaust
EX32
Product Information
Product Information
Titanium sports exhaust rear silencer - valved.


Fits:
Porsche 991.2 Carrera 2 / Carrera 4 - 2016 to 2019
Porsche 991.2 Carrera 2S / Carrera 4S - 2016 to 2019
Porsche 991.2 GTS - 2016 to 2019
Porsche 991.2 targa / targa 4S - 2016 to 2019
Only for cars with centre exit exhaust

Product Description
Unleash the raw sound of your Porsche 991.2 with the Ultimate Performance Valved Exhaust by Rennline. This exhaust lets you keep your relationship healthy between you and you neighbours due to the dynamic valve technology built into our exhaust system. At the click of a button, you can keep your 991.2 quiet enough to appease anyone in your neighbourhood or open it up and let the loud pipes sing.

You have come to expect a certain level of quality and ease of installation when it comes to Rennline products. This part does not fall short in that category, made from Grade 2 Titanium and Tig Welded to perfection. It is truly a work of art. This exhaust is a direct bolt in replacement and is easily reversable back to stock and features an easy-to-follow install video.

  • Constructed from pie cut grade 2 titanium
  • Retains catalytic converters
  • Mounts directly to exhaust manifolds
  • Comes with Adjustable Tips (in your choice of color)
  • Comes with Vacuum controller  



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

EX32
9P251053B
9P251053D

The product you are viewing cross references to these numbers
DISPLAYING 17 to 31 (of 31 products)
1 2
Also found on these pages
About Sport Silencers / Mufflers

Porsche Sport Silencers & Mufflers - Performance Sound & Exhaust Upgrades

Sport Silencers / Mufflers are designed to enhance the sound, performance, and driving character of your Porsche by improving exhaust gas flow and delivering a more engaging exhaust note. Compared to standard exhaust silencers, sports mufflers reduce restriction, sharpen throttle response, and provide a sportier tone that better reflects Porsche’s performance heritage.

Available from Design911, this category includes both genuine Porsche sport exhaust components and high-quality aftermarket performance mufflers, giving owners the choice between factory-engineered authenticity and performance-focused customisation.

What Do Sport Silencers / Mufflers Do?

Sport silencers optimise exhaust flow while enhancing sound quality.

Core Functions:

  • Reduce exhaust backpressure for improved engine breathing.
  • Enhance throttle response and power delivery.
  • Produce a deeper, sportier exhaust note.
  • Improve exhaust efficiency and flow dynamics.
  • Enhance the overall driving experience.

A well-designed sports muffler balances performance gains with refined sound control.

Why Do Standard Exhaust Silencers Fail or Fall Short?

Standard exhaust mufflers are designed primarily for noise reduction, emissions compliance, and longevity. Over time, common issues include:

  • Internal corrosion from condensation and heat cycles.
  • Restrictive baffling limiting exhaust flow.
  • Dull or muted exhaust sound.
  • Internal baffle breakdown causing rattles.
  • Reduced efficiency when paired with performance upgrades.

As these components age, both performance and sound quality can deteriorate.

Why Upgrade to Sport Silencers / Mufflers?

Sport silencers are engineered to improve both performance and auditory feedback.

Upgrade Benefits:

  • Improved exhaust flow and reduced restriction.
  • Enhanced exhaust sound without excessive drone.
  • Increased driving engagement and responsiveness.
  • Available in OEM Porsche or performance aftermarket options.
  • Ideal for road, touring, and spirited driving.

Upgrading delivers a more exciting exhaust character while supporting engine efficiency.

Highlights

  • Porsche sport silencer and muffler upgrades
  • OEM Porsche and premium aftermarket options
  • Improved exhaust sound, flow, and performance
  • Designed for performance-focused driving
  • High-quality materials for durability and reliability       

You may also like
Popular Models