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Exhausts
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
1 x Stainless steel Sports exhaust with big bore 84mm outlet,
2 x Stainless steel heat exchangers.
1 x Stainless steel Standard pre-silencer.
1 x Stainless steel cross over pipe.
This system offers more bhp and a fuller sound.
Fits:
Porsche 911 3.2L 1984-89
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Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT11
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50

1 x Stainless steel Sports exhaust 60mm outlet,
2 x Stainless steel heat exchangers.
1 x Stainless steel Standard pre-silencer.
1 x Stainless steel Standard cross over pipe.
Fits:
Porsche 911 3.2L 1984-89
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Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT11STD
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
1 x Stainless steel Sports exhaust with twin big bore 84mm outlets.
2 x Stainless steel heat exchangers.
1 x Stainless steel Standard pre-silencer.
1 x Stainless steel cross over pipe.
offering more bhp and a fuller sound.
Fits:
Porsche 911 2.7L / 3.0L 1974-83
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Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT20
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50

Mild steel exhaust system:
- 1 x Mild steel rear exhaust box.
- 2 x Mild steel heat exchangers.
- 1 x Mild steel pre-silencer.
- 1 x Mild steel cross over pipe.
Fits:
Porsche 911 1984-89 3.2L
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.
EXHAUSTKIT04
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Powerful straight though system with all Stainless steel parts, offering more bhp and a fuller sound. Made in Denmark. you should also purchase EXHAUSTKIT09
With Dansk Heat Exchangers and Silencer
Fits:
Porsche 911 1974-83 2.7L / 3.0L
Kit Includes:
- 1 x single big bore outlet rear silencer
- 2 x heat exchangers,
- 2 x oil pipes
- 8 x gaskets.
- 2 x silencer straps.
For more information about this product Click Here
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT05
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50

Powerful straight though system all Stainless steel parts, offering more bhp and a fuller sound. Made in Denmark
Fits:
Porsche 911 1984-89 3.2L
Kit Includes:
- 1 x single outlet rear silencer (Dansk)
- 2 x heat exchangers, (Dansk)
- 2 x oil pipes
- 8 x gaskets.
- 2 x silencer straps.
Please note the heating system will need to be re-worked so extra parts are included 1 x heater splitter box and 2 x heater hoses. you should also purchase EXHAUSTKIT09
For more information about this product Click Here
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT06
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Are you backdating a 3.2 Carrera or 3.2ltr engine?
Use this exhaust and SSi heat exchanger package to solve the exhaust requirements by deleting the pre-silencer and turning the rear silencer into a "two in, one out" system seen on the early, pre impact bumper cars.
Heat Exchangers &
Single Outlet Rear Silencer/Muffler 84mm Tail Pipe 92.512SPowerful straight though system all Stainless steel parts, offering more bhp and a fuller sound. Made in Denmark you should also purchase EXHAUSTKIT09
Fits:
Porsche 911 1984-89 3.2ltr
Kit Includes:
- 1 x single outlet rear silencer (Dansk)
- 2 x heat exchangers, (SSI)
- 2 x oil pipes
- 8 x gaskets.
- 2 x silencer straps.
Please note the heating system will need to be re-worked so extra parts are included 1 x heater splitter box and 2 x heater hoses.
For more information about this product Click Here
This kit is comprised of the following items:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Are you backdating a 3.2 Carrera or 3.2ltr engine?
Use this exhaust and SSi heat exchanger package to solve the exhaust requirements by deleting the pre-silencer and turning the rear silencer into a "two in, one out" system seen on the early, pre impact bumper cars.

Fits:
Porsche 911 1984-89 3.2ltr
SSI Heat Exchangers & SSI Single Outlet Exhaust Silencer/Muffler
Powerful straight though system all Stainless steel parts, offering more bhp and a fuller sound. Made in Denmark
Kit Includes:
- 1 x single outlet rear silencer (SSI)
- 2 x heat exchangers, (SSI)
- 2 x oil pipes
- 8 x gaskets.
- 2 x silencer straps.
Please note the heating system will need to be re-worked so extra parts are included 1 x heater splitter box and 2 x heater hoses.
For more information about this product Click Here
This kit is comprised of the following items:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50

Are you backdating a 3.2 Carrera or 3.2ltr engine?
Use this twin outlet exhaust and SSi heat exchanger package to solve the exhaust requirements by deleting the pre-silencer and turning the rear silencer into a "two in, two out" system.
Porsche 911 1984-89 3.2L
SSI Heat Exchangers & SSI Twin Outlet Rear Silencer/Muffler
Powerful straight though system all Stainless steel parts, offering more bhp and a fuller sound.
Kit Includes:
- 1 x Twin outlet rear silencer (SSI)
- 2 x heat exchangers, (SSI)
- 2 x oil pipes
- 8 x gaskets.
- 2 x silencer straps.
Please note the heating system will need to be re-worked so extra parts are included 1 x heater splitter box and 2 x heater hoses.
For more information about this product Click Here
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Replace the rusty, steel heat exchangers and exhaust with this high quality exhaust and stainless steel SSi heat exchanger package.
Made using AISI 321/EN4531 titanium stabilized stainless steel, the heat exchangers offer long life, increased power output and a quality fit.
Heat Exchangers &
Single Outlet Rear Silencer/Muffler 60mm Tail Pipe 92.211SPowerful straight though system all Stainless steel parts, offering more bhp and a fuller sound. Made in Denmark. you should also purchase EXHAUSTKIT09
Fits:
Porsche 911 1974-83 2.7ltr / 3.0ltr
Kit Includes:
- 1 x single outlet rear silencer (Dansk)
- 2 x heat exchangers, (SSI)
- 2 x oil pipes
- 8 x gaskets.
- 2 x silencer straps.
For more information about this product Click Here
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT55
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Replace the rusty, steel heat exchangers and exhaust with this high quality exhaust and stainless steel SSi heat exchanger package.
Made using AISI 321/EN4531 titanium stabilized stainless steel, the heat exchangers offer long life, increased power output and a quality fit.
Heat Exchangers &
Twin Outlet Rear Silencer/Muffler 70mm Tail Pipe 92.511SDPowerful straight though system all Stainless steel parts, offering more bhp and a fuller sound. Made in Denmark. you should also purchase EXHAUSTKIT09
Fits:
Porsche 911 1974-83 2.7ltr / 3.0ltr
Kit Includes:
- 1 x twin outlet rear silencer (Dansk)
- 2 x heat exchangers, (SSI)
- 2 x oil pipes
- 8 x gaskets.
- 2 x silencer straps.
For more information about this product Click Here
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT56
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Replace the rusty, steel heat exchangers and exhaust with this high quality exhaust and stainless steel SSi heat exchanger package.
Made using AISI 321/EN4531 titanium stabilized stainless steel, the heat exchangers offer long life, increased power output and a quality fit.
Heat Exchangers &
Single Outlet Rear Silencer/Muffler 70mm Tail Pipe 92.511SPowerful straight though system all Stainless steel parts, offering more bhp and a fuller sound. Made in Denmark. you should also purchase EXHAUSTKIT09
Fits:
Porsche 911 1974-83 2.7ltr / 3.0ltr
Kit Includes:
- 1 x single outlet rear silencer (Dansk)
- 2 x heat exchangers, (SSI)
- 2 x oil pipes
- 8 x gaskets.
- 2 x silencer straps.
For more information about this product Click Here
This kit is comprised of the following items:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
1 x Stainless steel Sports exhaust with twin big bore 84mm outlets.
2 x Stainless steel heat exchangers.
1 x Stainless steel Standard pre-silencer.
1 x Stainless steel cross over pipe.
offering more bhp and a fuller sound.
Fits:
Porsche 911 3.2L 1984-89
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.
EXHAUSTKIT21
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
MILD STEEL VERSION
this kit can be used without removing the heat exchangers

Fits:
Porsche 911 1975-89
Porsche 930 Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT07
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
STAINLESS STEEL VERSION
this kit can be used without removing the heat exchangers

Fits:
Porsche 911 1975-89
Porsche 930 Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT08
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC

1 x rear silencer gasket
1 x cross over pipe gasket
2 x heat exchanger side gaskets
6 x heat exchanger top gaskets
Fits
Porsche 911 - 1975 to 1983
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
GASKETKIT01
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
-
engine lubrication 911 1973 ONWARDS 104-25
-
blower engine 911 SC 1978-83 108-10
-
exhaust system 911 SC 1978-83 202-00
-
exhaust system 911 TURBO 930.60/66 1978-83 202-10
-
heating air supply 911 1978-83 202-20
-
heating air supply for 911 T/E/S 1970 ONWARDS and 911 T-V, CARRERA 2.7, 911 T-K 1972 ONWARDS 202-00
-
exhaust system for 911 T/E/S 1972 ONWARDS and 911 T-V, CARRERA 2.7, 911 T-K 1970-73 202-05
-
exhaust system 911 CARRERA 930.20/25/26 1987-89 202-00
-
exhaust system 911 CARRERA 930.20/25/26 1987-89 202-05
-
exhaust system 911 TURBO 930.66/68 1987-89 202-10
-
heating air supply 911 1987-89 202-20
-
exhaust system 911 CARERRA 1984-86 202-00
-
Exhaust system 911 CARRERA 1984-86 202-05
-
Exhaust system 911 TURBO 1984-86 202-10
-
heating air supply 911 1984-86 202-20
-
Engine lubrication 911 1974-77 104-00
-
engine lubrication, radiator coil 911 1974-77 104-05
-
Additional blower 911 1975 ONWARDS 108-10
-
Exhaust system K-JETRONIC 911.83 Cars 1974 ONWARDS 202-00
-
Exhaust system K-JETRONIC 1975 ONWARDS 202-10
-
Exhaust system K-JETRONIC 911 (CAL) 1975 ONWARDS / 911 (USA) 1974-77 / 911 (CDN) 1974-77 / 911 (J) 1977 ONWARDS 202-20
-
Heating air supply 911 1974-77 202-30
-
heating air supply 911 1965-69 202-00
-
exhaust system 911 1965-69 202-10
-
exhaust system 911 TURBO 1975-77 202-00
-
exhaust system 911 TURBO 1975-77 (J) (USA) 202-10
-
heating air supply 911 TURBO 1975-77 202-30
Porsche Sports Exhaust Systems, Performance Exhausts & Replacements
At Design911, we are renowned worldwide as specialists in Porsche sports exhausts and performance exhaust systems. We supply an extensive range of exhausts designed to enhance sound, performance, and styling - from stainless-steel replacements to high-end motorsport-grade systems.
With thousands of options available, we can provide the perfect exhaust solution for any Porsche model, whether you’re looking for a subtle sound upgrade, maximum horsepower gains, or a show-stopping aesthetic finish.
Leading Porsche Exhaust Brands
We work closely with the world’s most
respected performance exhaust manufacturers to deliver the highest quality
products, including:
- Akrapovic Exhausts – premium titanium and carbon-fibre systems with extensive R&D for maximum power and zero cabin drone
- Dansk Exhausts – OEM-style Porsche replacements with proven quality and fit
- DesignTek Exhausts – affordable, performance-focused solutions tailored for Porsche owners
- Fabspeed Exhausts – high-performance upgrades with a strong motorsport pedigree
- Remus Exhausts – sport exhausts with aggressive sound and performance gains
- Milltek Exhausts – precision-engineered stainless steel systems for balanced power and tone
- Supersprint Exhausts – European-crafted performance systems, proven on road and track
Why Upgrade Your Porsche Exhaust?
Upgrading your exhaust system can transform
your Porsche by:
- Improving Sound – from refined sport tones to aggressive track-ready notes
- Boosting Performance – freeing airflow with sports catalytic converters (CATS), freer-flowing headers, and optimised back boxes
- Enhancing Style – with tailpipe upgrades in polished steel, carbon, or titanium finishes
- Weight Reduction – premium titanium systems reduce mass for improved handling
- Personalisation – match the sound and performance level to your driving style and needs
Choosing the Right Exhaust System
Porsche’s OEM systems balance performance with comfort and global regulations, which means there’s room for improvement. Your choice depends on your goals:
- Sportier Sound – start with back box replacements, where most sound deadening occurs
- Extra Power –
combine back boxes with sports catalytic converters (CATS) for
improved flow and horsepower
- Maximum Performance – upgrade to equal-length headers for smoother gas flow, reduced turbulence, and peak efficiency
- Premium Finish – brands like Akrapovic use titanium and carbon fibre, delivering exceptional performance with a luxury edge
The more you invest, the greater the gains in power, durability, and refinement.
Expert Advice from Design911
Not sure which system is right for you? Our specialist sales team can guide you through the options to find the perfect match for your Porsche and your budget. Whether you want a discreet upgrade for road use or a full system for motorsport, we’ll ensure you get the best solution.
Explore our Porsche sports exhaust systems today – from replacement back boxes to full titanium race systems – and unleash the true sound and performance of your Porsche.