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Catalyst / Bypass

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DISPLAYING 1 to 16 (of 21 products)
1 2
Special Order item
HEATKIT986
Product Information
Product Information
Exhaust Cat Heat protection plate kit.

porsche

Fits:
Porsche Boxster 986 cat.

Click 'Zoom in' for large parts diagram.
Diagram Ref No 17,18, 25, 26 and 27.

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Related, superseded, cross reference or alternative numbers for comparison.

HEATKIT986
99611342200
99611342100
99611342100
99611342200
99950743009
90015100703
99950741308

The product you are viewing cross references to these numbers
Special Order item
98711310
Product Information
Product Information
Exhaust Manifold with Catalytic Converter. Reconditioned unit with deposit charge. Refundable on return of old unit.
porsche

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.

Fits:
Porsche 987 3.2L Boxster M96.26 Engines

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

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Related, superseded, cross reference or alternative numbers for comparison.

98711310
98711310605
98711310606
987113106AX
98711310505
98711310506
987113105AX

The product you are viewing cross references to these numbers
Best Product
3606109876
Product Information
Product Information
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

NOTE: Sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

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Related, superseded, cross reference or alternative numbers for comparison.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 Price
9M81113211
Product Information
Product Information
9m Equal length exhaust manifold with catalytic converter. 
Sold as a pair - left and right

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.

9M81113211
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
Best Price
9M87113101
Product Information
Product Information
Equal length exhaust manifold with catalytic converter. 

Fits:
Porsche 987.2 Boxster / Boxster S - 2009 to 2012
Porsche 987.2 Boxster Spyder - 2009 to 2012
Porsche 987.2 Cayman / Cayman S  - 2009 to 2012
Porsche 987.2 Cayman R - 2009 to 2012

987.2 Equal length exhaust manifold with catalytic converter.

  • Reduced back pressure with higher flow
  • Made from SS304L lightweight stainless steel
  • Performance gains of 15hp minimum and 20nm
  • Improved throttle response
  • Improved exhaust note with no drone, resonation or vibration
  • Direct fit no remap required but recommended
  • No CEL (Check Engine Light)
  • Heatshieded to reduce radiant heat and speeds up exhaust gas velocity




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

9M87113101
98711310133
987113101AX
98711310233
987113102AX

The product you are viewing cross references to these numbers
Special Offer
986PO94260S
Product Information
Product Information
Exhaust 100 cell Catalytic Converter Pipes Sports

Fits:
Porsche 986 Boxster 2.5L 1997-99

Please note: These 100 cell 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.

Emissions legal horsepower - 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.

NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

 If you are located outside the UK, please check your local laws and regulations to ensure compliance.

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

986PO94260S
996113921AX
996113922AX
99611399201
99611392101
1620300810

The product you are viewing cross references to these numbers
Special Order item
99611342
Product Information
Product Information
Exhaust cat heat shield. 

porsche

Another popular item which normally rusts and starts to rattle. Heat protection plate for Porsche Boxster 986 cat.

Price is for each heat shield

Click 'Zoom in' for large parts diagram.
Diagram Ref No 19 and 20


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

99611342
99611342200
99611342100

The product you are viewing cross references to these numbers
Best Product
3606109862
Product Information
Product Information
Exhaust catalytic converter bypass pipe for Porsche Boxster 986

designtek

Manufactured from highest quality T304 grade stainless steel
Mandrel bent and fully TIG welded for strength and durability
CNC machined flanges for strong, solid support and an accurate fit
Designed to improve power and torque across the entire RPM range
Noticeably improves throttle response
Please note fitting instructions are NOT included
Sold for off-road / track use only
We recommend all exhaust components are fitted by a qualified mechanic to ensure the correct fitment

Fits:
Porsche Boxster 986 2.5L / 2.7L / 3.2L

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.

NOTE:
In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

 If you are located outside the UK, please check your local laws and regulations to ensure compliance.

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

3606109862
996113921AX
996113922AX
99611392101
99611392201
99611302111
99611302112

The product you are viewing cross references to these numbers
Best Price
FSPOR9861PCB
Product Information
Product Information
Fabspeed Secondary Cat Bypass Pipes.

fabspeed

Replaces the heavy, restrictive, and redundant factory secondary catalytic converters with a straight-through tubing section for increased power, sound, and weight savings.

FEATURES:
Fits: all 986 Boxster / S vehicles (2000-2004)
• Increases horsepower by 8 whp improving throttle response
• Saves 25 lbs from the vehicle versus factory OEM restrictive catalytic converters
• Constructed from high quality T304L stainless steel with CNC mandrel-bent tubing
• Improves horsepower, torque, throttle response and exhaust note
• Easy bolt-on installation; no cutting or welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty
• Not UK MOT appoved.

Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.

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.

NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

If you are located outside the UK, please check your local laws and regulations to ensure compliance.

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

FSPOR9861PCB
98611112109
99611302111
99611302112
996113021AX
99611302502
99611302503
996113025AX
99611302504
996113025BX
99611302211
99611302212
996113022AX
99611302602
99611302603
996113026AX
99611302604
996113026BX

The product you are viewing cross references to these numbers
Best Product
3606109861
Product Information
Product Information
Exhaust Catalytic Converter Pipes Sports 200 CELL

designtek

DesignTek emissions legal horsepower - 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.

Made by DESIGNTEK

Fits:
Porsche Boxster 986 2.7L / 3.2L

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.


NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

If you are located outside the UK, please check your local laws and regulations to ensure compliance.



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

3606109861
99611302111
99611302112
996113021AX
99611302502
99611302503
996113025AX
99611302504
996113025BX
99611302211
99611302212
996113022AX
99611302602
99611302603
996113026AX
99611302604
996113026BX

The product you are viewing cross references to these numbers
Special Offer
986PO94360S
Product Information
Product Information
Exhaust Catalytic Converter Pipes Sports 100 CELL

danskmotorsport

Fits:
Porsche 986 Boxster 2.7L / 3.2L 1994-04

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.

Emissions legal horsepower - 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.

NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.

For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.

If you are located outside the UK, please check your local laws and regulations to ensure compliance.



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

986PO94360S
99611302111
996113021AX
99611302112
99611302502
996113025AX
99611302504
996113025BX
99611302211
99611302212
996113022AX
99611302602
996113026AX
99611302603
99611302604
996113026BX
99611392101
996113921AX
99611392201
996113922AX

The product you are viewing cross references to these numbers
Best Product
3606109874
Product Information
Product Information
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.

NOTE: Sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

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
3606109872
Product Information
Product Information
Exhaust Manifold / Header with 200 Cell sport CAT

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
Manufactured in United Kingdom

Please be aware, 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.

NOTE: Sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

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
3606109875
Product Information
Product Information
Exhaust Manifold / Header with Cat Bypass

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.

NOTE: Sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.

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
Special Order item
98711310
Product Information
Product Information
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
Special Order item
98711310
Product Information
Product Information
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
DISPLAYING 1 to 16 (of 21 products)
1 2
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.

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