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://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png +443456003478 https://www.design911.co.uk Facebook Instagram

Catalyst / Bypass

Refine by Car Type
Filter by brand
DISPLAYING 1 to 8 (of 8 products)
Exhaust Manifold with catalytic converter OE. Porsche 987 3.2 Boxster
Code: 98711310
exchange
Reconditioned exhaust manifold with catalytic converter.

Please note:
Reconditioned units are sold on an exchange basis, A surcharge of £1120.80 will be held and then refunded when the old one is returned.

porsche

Fits:
Porsche 987 2.7L Boxster M96.25 Engines
Porsche 987 2.7L Cayman M96.25 Engines

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

Please note:
Reconditioned exhaust manifolds are sold on an exchange basis, A surcharge of £477.00 will be held and then refunded when the old one is returned.



    PLEASE NOTE:
  • The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
  • Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
  • Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
  • All surcharges and exchanges are subject to our terms and conditions.




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Related, superseded, cross reference or alternative numbers for comparison.

98711310
98711310305
98711310306
987113103AX
98711310405
98711310406
987113104AX

The product you are viewing cross references to these numbers
Porsche Genuine Parts
9m Equal length exhaust manifold with catalytic converter. Porsche 981 Boxster / 981 Cayman
Code: 98111321105/1
Equal length exhaust manifold with catalytic converter. 
Sold as a pair - left and right

ninemeister

Fits:
Porsche 981 Boxster - 2012 to 2016
Porsche 981 Boxster S - 2012 to 2016

Porsche 981 Boxster GTS -  2012 to 2016
Porsche 981 Boxster Spyder - 2016
Porsche 981 Cayman - 2013 to 2016
Porsche 981 Cayman S - 2013 to 2016
Porsche 981 Cayman GTS - 2013 to 2016
Porsche 981 Cayman GT4 - 2016

Made from SS304L lightweight stainless steel these exhaust manifolds offer reduced back pressure with higher flow

  • Performance gains of 20hp minimum and 20nm
  • Improved throttle response
  • Improved exhaust note with no drone, resonation or vibration
  • Direct fit no remap required but recommended
  • No CEL
  • Heat shielded to reduce radiant heat and speeds up exhaust gas velocity



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

98111321105
98111321101
98111321102
98111321103
98111321104
98111321105
981113211EX
98111321106
981113211FX
98111321201
98111321202
98111321203
98111321204
98111321205
981113212EX
98111321206
981113212FX

The product you are viewing cross references to these numbers
Special Offer
DesignTek Exhaust manifold / header with catalyst bypass for Porsche 987.2 Boxster / 987.2 Cayman
Code: 3606109876
A Voucher for £100 available when you buy this product. For more information CLICK HERE

DesignTek Exhaust manifold / header with catalyst bypass.
Price is for PAIR.

designtek

Fits:
Porsche 987.2 Boxster 2.9L / 3.4L 2009-12
Porsche 987C.2 Cayman 2.9L / 3.4L 2009-12

Please note: sports catalytic converters or bypass pipes do have type approval and may not be legally installed on vehicles manufactured after 1st March 2001. They can not be used on a public road and are not MOT compliant, they are designed for race and track cars only. 


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

3606109876
3606109875
98711310133
987113101AX
98711310233
987113102AX

The product you are viewing cross references to these numbers
Best Product
Exhaust Manifold / Header with 200 CELL CAT for Porsche Boxster 987 / Cayman DesignTek
Code: 3606109874
Exhaust Manifold / Header

designtek

Fits:
Porsche 987 Boxster 2005- 08/2008
Porsche 987C Cayman 2006- 08/2008

DesignTek sports headers and 200 cell high flow cats for throaty sports car sound, but not too loud for every day driving, manufactured from extra heavy duty stainless steel, which eliminates the splitting, cracking and annoying resonance.

Coating: 40g
Cells: 200cpsi

Please note: These sport cats will make your car sound louder than with stock cats. If you have ,or intend to install sport silencers, you may find the car is a bit loo loud. We recommend to use one sport exhaust component if you are concerned about decibel levels.

Please note: sports catalytic converters or bypass pipes do have type approval and may not be legally installed on vehicles manufactured after 1st March 2001. They can not be used on a public road and are not MOT compliant, they are designed for race and track cars only. 


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

3606109874
3606109874
98711310407
98711310408
98711310410
987113104AX
98711310805
987113108AX
98711310605
98711310606
987113106AX
98711310307
98711310310
987113103AX
98711310705
987113107AX
98711310505
98711310506
987113105AX

The product you are viewing cross references to these numbers
Best Product
Exhaust Manifold / Header with 200 CELL CAT for Porsche Boxster 987/ Cayman DesignTek
Code: 3606109872
Exhaust Manifold / Header with HJS equivalent CAT

designtek gb

Fits:
Porsche 987 Boxster 2005- 08/2008
Porsche 987C Cayman 2006- 08/2008

DesignTek sports headers and 200 cell HJS equivalent high flow cats for throaty sports car sound, but not too loud for every day driving, manufactured from extra heavy duty stainless steel, which eliminates the splitting, cracking and annoying resonance.

Coating: 40g
Cells: 200cpsi
Manufactured in United Kingdom

Please note: These sport cats will make your car sound louder than with stock cats. If you have ,or intend to install sport silencers, you may find the car is a bit loo loud. We recommend to use one sport exhaust component if you are concerned about decibel levels.

Please note: sports catalytic converters or bypass pipes do have type approval and may not be legally installed on vehicles manufactured after 1st March 2001. They can not be used on a public road and are not MOT compliant, they are designed for race and track cars only. 


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

3606109872
98711310407
987113104AX
98711310408
98711310410
98711310805
987113108AX
98711310605
98711310606
987113106AX
98711310307
987113103AX
98711310310
98711310705
987113107AX
98711310505
98711310506
987113105AX

The product you are viewing cross references to these numbers
Best Product
Exhaust Manifold / Header with Catalyst Bypass for Porsche Boxster 987/ Cayman DesignTek
Code: 3606109875
Exhaust Manifold / Header with Cat Bypass

designtek

Fits:
Porsche 987 Boxster 2005- 08/2008
Porsche 987C Cayman 2006- 08/2008

Please note: This is a set of headers with catalyst bypass. After the installation of this product the emission light might come on your dash. To remove it you might need to install the lambda sensor extensions.

Please note: sports catalytic converters or bypass pipes do have type approval and may not be legally installed on vehicles manufactured after 1st March 2001. They can not be used on a public road and are not MOT compliant, they are designed for race and track cars only. 

Please note:
On the video below customer has fitted our headers and sport silencer with secondary cat bypasses. The car on the video has no cats at all!



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

3606109875
3606109875
98711310407
98711310408
98711310410
987113104AX
98711310805
987113108AX
98711310605
98711310606
987113106AX
98711310307
98711310310
987113103AX
98711310705
987113107AX
98711310505
98711310506
987113105AX

The product you are viewing cross references to these numbers
Best Product
Exhaust manifold with catalytic converter OE. Porsche 987 Boxster / 987C Cayman
Code: 98711310
exchange
Exhaust manifold with catalytic converter. Reconditioned unit with deposit charge. Refundable on return of old unit.

porsche

Fits:
Porsche 987 Boxster 2007-08 M97.20 Engines
Porsche 987 Boxster S 2005-08 M97.21 / M97.22 Engines
Porsche 987C Cayman / Cayman S 2006-08 M97.21 / M97.22 Engines

Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Porsche Genuine Parts
Lambda Sensor Blanking Plug and Receiver Socket. Porsche 996 / 997
Code: 100390100392
Lambda Sensor Blanking Plug and Receiver Socket Set.
In case you need to relocate your existing lambda probe because it's not in the right location. Welding and cutting specialist required.


Fits:
Many Porsche vehicles. Universal kit.

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

100390100392
100390
100392

The product you are viewing cross references to these numbers
Best Price
DISPLAYING 1 to 8 (of 8 products)
Also found on these pages
About Catalyst / Bypass

Title: Porsche Exhaust Catalyst and Bypass Sports Catalyst: Technical Specifications and Benefits

Key Points:

Enhanced Performance: Upgrading your Porsche's exhaust catalyst or opting for a bypass sports catalyst can significantly improve performance by increasing horsepower and torque output. These aftermarket options are designed to optimize exhaust flow, resulting in improved engine efficiency and throttle response.

Enhanced Sound: An original Porsche or aftermarket exhaust catalyst can enhance the auditory experience of your vehicle. They offer a deeper, more aggressive exhaust note, providing a sportier sound that complements the performance-oriented nature of a Porsche.

Compliance with Emissions Standards: When purchasing an exhaust catalyst, it is crucial to consider its compliance with local emissions regulations. Porsche exhaust catalysts are engineered to meet strict emissions standards, ensuring that your vehicle remains environmentally friendly while delivering enhanced performance.

Quality and Durability: Original Porsche exhaust catalysts are manufactured to the highest standards, ensuring exceptional quality and durability. Aftermarket options from reputable brands also offer similar reliability, providing a long-lasting solution for your Porsche's exhaust system.

Easy Installation: Both original Porsche and aftermarket exhaust catalysts are designed to be direct replacements, making installation relatively straightforward. However, it is essential to follow the manufacturer's instructions or seek professional assistance to ensure proper fitment and optimal performance.

At Design911, we understand the importance of finding the correct part for your Porsche and providing the best professional advice. Our dedicated team of experts specializes in Porsche parts and accessories, including exhaust catalysts. With our extensive knowledge and experience, we can assist you in finding the right exhaust catalyst or bypass sports catalyst for your Porsche model, taking into account your specific requirements and local regulations. We are committed to delivering top-quality products and ensuring customer satisfaction. Contact us today for personalized assistance and an enhanced driving experience with your Porsche.

You may also like
Popular Models