Exhaust manifold Genuine Porsche part 981113211CU

Equal-length performance headers Improve exhaust flow and sports car sound; Sport Headers include 200-cell HJS Sport Catalytic Converters.

FEATURES:
• Fits: all Porsche 981 Boxster/Cayman vehicles (2013+)
• Includes German-imported 200-cell HJS Sport Catalytic Converters for maximum performance
• Adds 13 whp / 21 ft-lbs of torque at 6600RPM when combined with the Maxflo Performance Exhaust System
• Saves 6 lbs from the rear of the vehicle compared to the full OEM exhaust system
• Constructed from equal-length T304 stainless steel C.N.C. mandrel-bent tubing for improved torque and equalized engine pulsing
• More power and torque across the RPM band and dramatically improved sports car sound
• Composite gaskets are included for a leak proof seal
• Direct replacement for the OEM headers with no cutting or welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty

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.

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.

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FSPOR981SHDR

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Free-flowing headers without catalytic converters; designed for maximum power and exhaust flow for race and track applications.

FEATURES:
• Fits all Porsche 981 Boxster/Cayman vehicles (2013+)
• Adds 17 whp / 25 ft-lbs of torque at 3500RPM when combined with the Maxflo Performance Exhaust System
• Saves 10 lbs from the rear of the vehicle compared to the full OEM exhaust system
• Constructed from equal-length T304 stainless steel C.N.C. mandrel-bent tubing for improved torque and equalized engine pulsing
• More power and torque across the RPM band and dramatically improved sports car sound
• Composite gaskets are included for a leak proof seal
• Direct replacement for the OEM headers with no cutting or welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty

NOTE: The 981 Race Headers do no include catalytic converters, and are recommended for track/off-road use only. Optional 02 Spacers available to prevent the Check Engine Light from being triggered.

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.

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.

FSPOR981RHDR

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Fabspeed Exhaust Race Headers.

  

Fabspeed's Race Headers for the Porsche Cayman GT4 will get you out of the corner fast and maximize your pulling power on the straights! Designed for track and off-road use, these cat less long tube headers provide maximum exhaust flow from the engine cylinders straight into the exhaust system.

Get out of the corner fast and maximize your pulling power on the straights! Designed for track and off-road use, these cat less long tube headers provide maximum exhaust flow from the engine cylinders straight into the exhaust system.

Fabspeed's Race Headers for the Porsche Cayman GT4 are built to optimize the engine's exhaust flow for maximum performance. Our precision-engineered headers add up to 18 horsepower at the wheels and 15 ft/lbs of torque at 6300 RPM, increasing the already impressive performance of the Porsche GT4. Down low these Race Headers give you a kick in the pants, adding 27 whp and 38 ft/lbs of torque at 3700 RPM.

With Race Headers from Fabspeed, your Cayman GT4 will strike fear into the hearts of 911 owners at the track. Set yourself apart from the factory-equipped crowd with these unbeatable performance upgrades and watch your Porsche's power - and your race results - climb.

FEATURES:
• Fits all Porsche 981 Cayman GT4 / Boxster Spyder vehicles (2015+)
• Adds 27 whp and 38 ft-lbs of torque at 3700RPM and 18 whp and 15 ft/lbs at 6300 RPM
• Saves 10 lbs from the rear of the vehicle compared to the full OEM exhaust system
• Constructed from equal-length T304 stainless steel C.N.C. mandrel-bent tubing for improved torque and equalized engine pulsing
• More power and torque across the RPM band and dramatically improved sports car sound
• Direct replacement for the OEM headers with no cutting or welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty

PLEASE 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. In most vehicles, removing the catalytic converters may trigger a Check Engine Light. HOWEVER, in over 200 miles of testing, our development vehicle did NOT trigger a CEL with these Race Headers installed.

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.

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

FSPOR981GT4LTRHDR

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Fabspeed Exhaust Sport Headers.



Low-end power and sound that you can enjoy every day! The perfect complement to either the factory exhaust system or Fabspeed's performance exhaust systems, these high-flow headers are designed around HJS catalytic converters, making them the best upgrade for more enjoyable street driving and emissions compliance.

Designed with noticeable street performance in mind, these Sport Headers provide an additional 26 whp and 39 ft/lbs of torque at 3600 RPM. This translates to significantly better acceleration and throttle response when powering away from a stop light or merging onto your favorite highway. Thanks to the world-class performance of the HJS catalytic converter cores, your GT4 stays emissions-compliant in most regions and will not throw a Check Engine Light.

In addition to the performance gains, Fabspeed's GT4 Sport Headers also add great character to the exhaust note by improving the overall volume and tone.

FEATURES:
• Fits all Porsche 981 Cayman GT4 / Boxster Spyder vehicles (2015+)
• Includes German-imported 200-cell HJS Sport • Catalytic Converters for maximum performance and reliability
• Adds 26 whp and 39 ft-lbs of torque at 3600RPM, providing significantly better performance during street acceleration
• Constructed from equal-length T304 stainless steel C.N.C. mandrel-bent tubing for improved torque and equalized engine pulsing
• More power and torque across the RPM band and dramatically improved exhaust sound
• Direct replacement for the OEM headers with no cutting or welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty

PLEASE NOTE: Fabspeed's 200-cell high-flow catalytic converters are not C.A.R.B. certified and are for Off-Road Use ONLY in the state of California. 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: 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.

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

FSPOR981GT4SHDR

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Fabspeed Exhaust long tube race headers.

Get out of the corner fast and maximize your pulling power on the straights! Designed for Race Competition, Drivers Education, PCA club racing, track events, and off-road use. Fabspeed Motorsport 981 Porsche long tube headers with F1 high velocity merge collectors provide maximum exhaust flow from the engine cylinder heads straight into equal length primary header tubes and a INDY Car F1 merge collector. The Fabspeed Motorsport race competition headers are the Worlds Very Finest Race Competition headers Dyno developed and independently proven by Porsche Engine builders world wide. In back to Back independent Dyno testing Fabspeed 981/ GT4 headers outperform "Blo AWay" the competition

Fabspeed's Race Headers for the Porsche 981 Boxster/Cayman are built to optimize the engine's exhaust flow for maximum performance. Our precision-engineered headers add significant horsepower and torque to the wheels. Fabspeed Motorsport Boxster/Cayman headers have been developed and refined over 17 years and used by Professional Racers and IMSA Sanctioning bodies for over decades. You can NOT buy a finer race header developed in USA from a clean sheet of paper.

Set yourself apart from the factory-equipped crowd with these unbeatable performance upgrades and watch your Porsche's power - and your race results - climb. Race headers are a great foundation for any GT4 with PSE and or a GT4 Clubsport/ GT4CS Manthai Racing car.

FEATURES:

• Fits all Porsche 981 Boxster/Cayman vehicles,
• Equal length T304 stainless steel, C.N.C. mandrel bent header pipes for equalized engine pulsing, exhaust scavenging and maximum exhaust flow.
• Long-tube race headers fit all Boxster/Cayman models listed above and are a simple direct BOLT-ON to any OEM 981 muffler/ 981 PSE or any aftermarket muffler designed from OEM spec.
• Dramatic improvement in horsepower and torque throughout the RPM range
• Multi-layer OEM Porsche exhaust manifold gasket additional $70 set.
• 100% INTENDED for RACING COMPETITION events ONLY. Never ever to be driven or used on the public roads under any circumstances. NOT CARB approved NOT EPA approved and never will be approved. Caveat Emptor.
• F1/NASCAR style high velocity cast merge collectors to pulse wave tuning.
• Direct bolt-on application with no cutting or welding required.

Independently DYNO tested against other brands on 4.0liter to 4.25 liter stroker engines- Fabspeed Motorsport beat out all World-Wide competitors.

• 100% INTENDED for RACING COMPETITION events ONLY. Never ever to be driven or used on the public roads under any circumstances. NOT CARB approved NOT EPA approved and never will be approved. Caveat Emptor.
• Optional 02 Spacers CATTED SPACERS available to minimize C.E.L occurrences .
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty. Race track Racing encourage and covered under warranty.

INSTALLATION NOTE: To ensure proper header seal, after initial heat cycle, tighten all exhaust bolts to the OEM torque specs.


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.

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.

FSPOR981LTRHDR

The product you are viewing cross references to these numbers

Exhaust Manifold / header set with cat bypass.



Fits:
Porsche 981 Boxster 2012-16
Porsche 981C Cayman 2014-16

This is a set of manifolds (headers) with catalyst bypass to fit third generation model, known as the 981 (2012-2016) Boxster and Cayman.

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 from your existing cat.

This is a high quality, 304 grade stainless steel pair of manifolds with secondary cat bypass (decat). Fitting this part will see a substantial power increase and a little extra noise. Check engine lights may come on once this product is fitted depending on your set-up, typically if this is the only exhaust modification you have made they won't trigger.

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.

3606109814

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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
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9M81113211

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Porsche 981 Boxster / Cayman SOUL Long Tube Street Headers, (w/ HJS 200 cell catalytic converters).

The SOUL Performance Products Long Tube Street Headers are engineered with large-diameter, free-flowing catalytic converters and extended tube runners to deliver maximum gains in horsepower, throttle response, and the signature flat-six soundtrack. Enjoy noticeable performance improvements—without triggering a check engine light!

• Fits all Porsche 981 Cayman / Boxster vehicles (2013-2016)
•  Added performance without a check engine light
•  Direct bolt on installation – instructions included
•  All Soul Performance Products components are backed by a renowned Lifetime Warranty for both street and track use

DEVELOPMENT & TESTING:
Designed specifically for the Porsche 981 platform, these headers feature carefully sized 2” runners and optimized collectors to unlock maximum power from the 3.4L engine, while still delivering impressive gains for the 2.7L.

CONSTRUCTION:
Each header is handcrafted from T304L stainless steel and undergoes rigorous in-house quality checks. Key design elements—such as port-matched flanges, smooth-radius primary tubing, and precision collectors—work together to enhance exhaust flow and maximize performance.

BOLT-ON INSTALLATION:
Every set is fixture-tested for perfect fitment and securely foam-packed for safe delivery. Detailed instructions are included, making installation straightforward for most DIY enthusiasts. 

LIFETIME WARRANTY: 
Enjoy your SOUL exhaust components with confidence on both the street and track as they are covered by our Lifetime Warranty! Our team will quickly work with you to resolve any issues or answer any questions that you may have.

NOTE:
+ This product is not CARB certified and may not be legal for use on emissions controlled vehicles; intended for off road use only

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: This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.

Related reference numbers
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POR.981.STH

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Porsche 981 Boxster / Cayman SOUL Competition Headers

Offering the greatest gains in power and sound, SOUL Competition Headers for the Porsche 981 are an excellent performance upgrade from the heavy and restrictive stock manifolds. You’ll notice the 11 lb weight savings, decreased operating temperatures, and improved engine response all while separating your car from the crowd with the increase in tone.

• Fits all Porsche 981 Cayman / Boxster vehicles (2013-2016)
•  Direct bolt on installation – instructions included
•  Constructed from 14-16ga T304L stainless steel tubing
•  All SOUL Performance Products components are backed by a renowned Lifetime Warranty for both street and track use

DEVELOPMENT AND TESTING:
By creating a unique application for the 981 platform, we’ve focused on sizing the runners (2”) and collectors correctly to extract maximum power from the 3.4L engine while producing great gains from the 2.7L as well.

DYNO RESULTS:
A 981 Cayman S with SOUL Valved Exhaust, intake, and ECU tune added Competition Headers and IPD plenum and GT3 throttle body for comparison. Comparing the average performing run of both sessions shows gains of 26 whp (303->329) and 24 ft-lbs of torque (276->300).

CONSTRUCTION: 

Our precision engineered headers are meticulously fabricated from T304L stainless steel. Proven design elements including port matched flanges, smooth radius primary tubing, and collectors that optimize the exhaust flow all work in conjunction to maximize power gains. Every set is rigorously quality-checked prior to shipping.

BOLT ON AND GO:
Each exhaust is tested in a fixture to ensure perfect fitment and then foam packed to arrive in perfect condition. Thorough installation instructions are included in the box for a straightforward install that can be performed by most DIY enthusiasts. New high grade hardware is included.

CHECK ENGINE LIGHT?: This product may trigger a check engine light due to removal of factory catalytic converters. O2 Spacers are available to reduce any chances of triggering a CEL. We suggest a custom ECU tune to disable any check engine lights (for track use only).

LIFETIME WARRANTY: 
Enjoy your SOUL exhaust components with confidence on both the street and track as they are covered by our Lifetime Warranty! Our team will quickly work with you to resolve any issues or answer any questions that you may have.

NOTE:
+ This product is not CARB certified and may not be legal for use on emissions controlled vehicles; intended for off road use only due to removal of factory catalytic converters

Please note: This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.

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

POR.981.COH

The product you are viewing cross references to these numbers