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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

Ninemeister

Ninemeister
About Ninemeister

Ninemeister for Porsche

Ninemeister parts for Porsche models from Design911, combining specialist Porsche knowledge with real-world upgrade and maintenance experience.

A Quick Look at Ninemeister

Ninemeister information on this page is based on details supplied by the manufacturer or distributor, plus any OE references provided with the parts.

Choosing the Right Fit for Your Porsche

Where Ninemeister is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side or position, and connector type where relevant.

  • Typical reasons people choose these parts include preventative maintenance on known weak points and building sharper, well-tested handling or performance packages rather than “cheap fixes”.
  • Common triggers for work include oil leaks, cooling issues, tired suspension or drivetrain bushes, brake fade, and repeat failures from non-specialist repairs.
  • Practical tip: diagnosis and parts choice are usually more accurate when a Porsche specialist is involved, especially on modified or higher-mileage cars.
  • Before upgrades, consider supporting changes such as alignment, tyres, fluids, and cooling to keep the setup reliable.

Browse by Category

If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.

Engine Rebuild Parts — Engine rebuild parts are typically replaced during a planned overhaul or when tests point to internal wear, such as loss of compression, high oil consumption, persistent leaks, abnormal noises, or contamination found in the oil. Many Porsche owners and specialists choose to renew chains, guides, bearings, seals, gaskets, and hardware together while the engine is apart to reduce the chance of repeat strip-downs and to restore long-term reliability.

  • Before committing to major work, carry out compression and leak-down tests, borescope inspections, and careful oil/filter checks.
  • “While you’re in there”, it is common to replace timing components, critical seals, and other hard-to-access wear items to future-proof the rebuild.

Turbo Chargers / Intercoolers & Parts — Turbochargers and intercooler components are changed when there is loss of boost, smoking under load, shaft play, or oil contamination in the intake system. On Porsche turbo models, keeping charge temperatures under control and pipework leak-free is key to consistent power and reliability, so owners often replace or upgrade these parts when chasing performance gains or resolving boost-related faults.

  • Because boost leaks can feel similar to turbo wear, pressure testing the system is an important step before replacing major parts.
  • It is often recommended to renew oil feed and return lines when fitting a new or rebuilt turbo to protect the investment.

Engine Tuning — Engine tuning work is usually carried out to improve drivability, throttle response, and fuel efficiency, or to match the calibration to hardware changes such as intake, exhaust, or forced induction upgrades. On Porsche engines, a sound mechanical base is essential; tuning is used to refine how the engine delivers its power, not to hide underlying issues like poor compression, unstable fuelling, or cooling problems.

  • Tuning cannot fix mechanical faults, so checks such as compression or leak-down tests, sensor data review, and inspection for boost or vacuum leaks should come first.
  • Reliability is maintained by pairing any increase in load or boost with suitable supporting modifications and conservative calibration.

Gearbox / Transmission — Gearbox and transmission parts are replaced when there are shifting problems, noises, leaks, or as part of a high-mileage refresh or performance upgrade. On Porsche models this can include clutches, synchros, bearings, mounts, linkages, differentials, or complete gearboxes, with the focus on selecting components matched to the specific transmission type and intended use.

  • Not all driveline noise or poor shifting comes from the gearbox itself; clutch condition, mounts, linkage adjustment and correct oil are all worth checking first.
  • Changing transmission oil to the correct specification is often a sensible early step when diagnosing minor shift quality issues.

Flywheel / Torque — Flywheels and torque converters are usually changed when there is judder, rattle, vibration, or evidence of heat damage, or alongside a major clutch or transmission service. On manual Porsche models, the condition and type of flywheel strongly influence drivability and noise levels, while on automatics and PDK-type systems the torque converter is central to smooth take-up and shift quality.

  • Dual-mass flywheels with excessive play or rattle are generally replaced rather than resurfaced to avoid damaging a new clutch.
  • Upgrading to a single-mass, lighter flywheel can sharpen response but typically increases drivetrain noise at idle and low rpm, something to consider for road use.

Explore Ninemeister at Design911

View the current Ninemeister range for Porsche at Design911, then filter by model and category to narrow down to the right parts.

DISPLAYING 97 to 109 (of 109 products)
<< 4 5 6 7
Special Offer
9M82254400AB
Product Information
Product Information
9m sports exhaust catalytic converter downpipe. 300 cell

Fits:
Porsche 718 Boxster 2.0ltr - 2017 Onwards
Porsche 718 Boxster T 2.0ltr - 2017 Onwards
Porsche 718 Boxster S 2.5ltr - 2017 Onwards
Porsche 718 Boxster 2017 GTS 2.5ltr - Onwards
Porsche 718 Cayman 2.0ltr - 2017 Onwards
Porsche 718 Cayman T 2.0ltr - 2017 Onwards
Porsche 718 Cayman S 2.5ltr - 2017 Onwards
Porsche 718 Cayman GTS 2.5ltr - 2017 Onwards

9m 718 2.0/2.5 Sports catalytic converter downpipe - heat sheilded 

Downpipe 3.50"/89mm flowing into Y-pipe 2 x 2.25"/57.15mm

Features :
Reduced back pressure with higher flow 
Made from SS304L lightweight stainless steel
Reduction in Exhaust gas temperatures 
Improved throttle response
Improved exhaust note with no drone, resonation or vibration

Click 'Zoom in' for large parts diagram.
Diagram ref no 9

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.

9M82254400AB
982254400H
982254400AB
982254400BX
982254400HX
982254400G
982254400AA
982254400AX

The product you are viewing cross references to these numbers
9M82254400
Product Information
Product Information
9m sports exhaust catalytic converter delete downpipe. 

Fits:
Porsche 718 Boxster 2.0ltr - 2017 Onwards
Porsche 718 Boxster T 2.0ltr - 2017 Onwards
Porsche 718 Boxster S 2.5ltr - 2017 Onwards
Porsche 718 Boxster 2017 GTS 2.5ltr - Onwards
Porsche 718 Cayman 2.0ltr - 2017 Onwards
Porsche 718 Cayman T 2.0ltr - 2017 Onwards
Porsche 718 Cayman S 2.5ltr - 2017 Onwards
Porsche 718 Cayman GTS 2.5ltr - 2017 Onwards

9m 718 2.0/2.5 de-cat downpipe heat sheilded 

Downpipe 3.50"/89mm flowing into Y-pipe 2 x 2.25"/57.15mm

Features :
Reduced back pressure with higher flow 
Made from SS304L lightweight stainless steel
Reduction in Exhaust gas temperatures 
Improved throttle response
Improved exhaust note with no drone, resonation or vibration

Click 'Zoom in' for large parts diagram.
Diagram ref no 9

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.

9M82254400
982254400H
982254400AB
982254400BX
982254400HX
982254400G
982254400AA
982254400AX

The product you are viewing cross references to these numbers
Special Offer
9M718OPFPIPES
Product Information
Product Information
9m over axle GPD delete exhaust pipe set. 

Fits:
Porsche 718 Boxster Spyder 4.0ltr 
Porsche 718 Boxster GTS 4.0ltr
Porsche 718 Cayman GTS 4.0ltr
Porsche 718 Cayman GT4 4.0ltr

9m 718 GT4/GTS/Spyder over axle pipes

  • 9m 718 GT4/GTS/Spyder over axle pipes stainless steel heat shielded
  • Deletes restrictive GPF pipes
  • Much better exhaust sound
  • Faster acceleration
  • 50% weight saving
  • Reduced radiant heat on the inside of the rear tyres
  • Minimum gains of 20hp+

Please Note
European cars will require our 9m ECU remap to avoid engine warning light 

Click 'Zoom in' for large parts diagram.
Diagram ref no 8 and 9



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

9M718OPFPIPES
982254351B
982254351L
982254351AA
982254351P
982254351R
982254350B
982254350L
982254350AA
982254350P
982254350R

The product you are viewing cross references to these numbers
9M9GT254351CKIT
Product Information
Product Information
9m GPF delete exhaust pipe set. 
Sold as a pair - left and right

Fits:
Porsche 718 Boxster Spyder RS - 2023 Onwards


9m 718 Boxster Spyder RS

  • Deletes restrictive GPF pipes
  • Much better exhaust sound
  • Faster acceleration 
  • 50% weight saving
  • Reduced radiant heat on the inside of the rear tyres
  • Minimum gains of 30hp+

Please Note
European cars will require our 9m ECU remap to avoid engine warning light

Click 'Zoom in' for large parts diagram.
Diagram ref no 13 and 14




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

9M9GT254351CKIT
9GT254351B
9GT254351C
9GT254352B
9GT254352

The product you are viewing cross references to these numbers
9M9GT254351B
Product Information
Product Information
9m GPF delete exhaust pipe set. 
Sold as a pair - left and right

Fits:

Porsche 718 Cayman GT4 RS - 2023 Onwards

9m 718 Cayman GT4RS

  • Deletes restrictive GPF pipes
  • Much better exhaust sound
  • Faster acceleration 
  • 50% weight saving
  • Reduced radiant heat on the inside of the rear tyres
  • Minimum gains of 30hp+

Please Note
European cars will require our 9m ECU remap to avoid engine warning light

Click 'Zoom in' for large parts diagram.
Diagram ref no 13 and 14




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

9M9GT254351B
9GT254351B
9GT254351C
9GT254352B
9GT254352

The product you are viewing cross references to these numbers
9M9711102772
Product Information
Product Information
9m Sports exhaust silencer bypass x pipe. 

Fits:
Porsche 997.1 turbo - 2007 to 2008

9m 997.1 turbo X pipe race exhaust

  • Exhaust reuses the stock tailpipes (tailpipes not included)
  • 200 cell sport cats
  • No CEL (check engine light) issues
  • 304 Stainless steel X pipe not silenced construction
  • MOT compliant
  • 20np+ gains



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

9M9711102772
99711102772

The product you are viewing cross references to these numbers
9M82251187
Product Information
Product Information
9m Titanium exhaust tail pipe GT4 RS style. 
Sold as a pair

Fits:
Porsche 718 Boxster GTS 4.0ltr - 2017 Onwards
Porsche 718 Boxster Spyder 4.0ltr - 2017 Onwards
Porsche 718 Cayman GTS 4.0ltr - 2017 Onwards
Porsche 718 Cayman GT4 - 2019 Onwards
Porsche 991.2 Carrera 2 / Carrera 4 - 2016 to 2019 (with Porsche Sports Exhaust)
Porsche 991.2 Carrera 2S / Carrera 4S - 2016 to 2019 (with Porsche Sports Exhaust)

Inspired by the 935 and now an option for the GT4RS and Spyder RS Weissach option, Ninemeister have produced Weissach style titanium direct fit tailpipes for all 718 4.0 vehicles.

Thanks to our expert fabrication and highly skilled finishing these are truly an artisan product.

  • Complete Titanium construction
  • Direct bolt-on fitment



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

9M82251187
982251187AH
982251188C
982251187AC
982251187AJ
9P1251187B
9P1251187G
9P1251188B
9P1251188G
9P1251187K
9P1251187L
9P1251188K
9P1251188L

The product you are viewing cross references to these numbers
9M82251187N
Product Information
Product Information
Titanium exhaust tail pipe GT4 RS style. 

Fits:
Porsche 987.2 Boxster - 2009 to 2012
Porsche 981 Boxster - 2012 to 2016
Porsche 718 Boxster 2.0ltr / 2.5ltr - 2017 Onwards
Porsche 987.2 Cayman - 2009 to 2012
Porsche 981 Cayman - 2012 to 2016
Porsche 718 Cayman 2.0ltr / 2.5ltr- 2017 Onwards

Fits all Porsche 981/987.2/718 (2.0/2.5) Boxster/Cayman vehicles equipped with factory OEM silencers or 9m Titanium exhausts
X-pipe comes with all new hardware and Dual tips  4" 

  • Constructed from 100% titanium material
  • Direct bolt-on replacement for the factory Porsche tailpipes
  • Noticeable improvement in exhaust flow
  • Simple bolt-on installation 



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

9M82251187N
98711125831
98711125860
98711198130
98111126100
98111136100
98111136160
98111136161
98111196100
98111196101
982251187H
982251187N
982251187L
982251187R
982251187G
982251187J
982251187Q

The product you are viewing cross references to these numbers
9M82254017
Product Information
Product Information
9m Equal length exhaust manifold with catalytic converter. 
Sold as a pair - left and right

Fits:
Porsche 718 Boxster GTS 4.0ltr- 2017 Onwards
Porsche 718 Boxster Spyder 4.0ltr - 2017 Onwards

Porsche 718 Cayman GTS 4.0ltr  - 2017 Onwards
Porsche 718 Cayman GT4 4.0ltr - 2017 Onwards

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

  • 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
  • Heat shielded to reduce radiant heat and speeds up exhaust gas velocity



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

9M82254017
982254017C
982254017D
982254017E
982254017EX
982254018C
982254018D
982254018E
982254018EX
982254017F
982254017FX
982254018F
982254018FX

The product you are viewing cross references to these numbers
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
Special Offer
9MPB251215
Product Information
Product Information
9m Exhaust manifold set stainless steel. 
Sold as a pair - left and right

Fits:
Porsche 992 Carrera 2 / 4 - 2019 Onwards
Porsche 992 Carrera 2S / 4S  - 2019 Onwards
Porsche 992 targa / targa 4S  - 2019 Onwards
Porsche 992 turbo / turbo S  - 2019 Onwards
Porsche 992 Dakar -  - 2019 Onwards

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
  • 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.

9MPB251215
0PB251215A
0PB251215
0PB251216A
0PB251216

The product you are viewing cross references to these numbers
9M82145621C
Product Information
Product Information
9m Upgraded radiator intercooler.

Fits:
Porsche 718 (982) Boxster 2017>>
Porsche 718C (982C) Cayman 2017>>

Billet CNC end tanks precision tig welded designed to increase airflow and ensure no loss in pressure 

  • CAD designed to ensure perfect, simple drop in fitment 
  • Optimum fin density of 20 fins per inch to maximise recovery rates
  • Chargecooler cores are coated externally with a graphene high polymer coating which offers great benefits to thermal dissipation
  • With minimum reduction in intake temps of at least  7 degrees celsius ( 44° Fahrenheit) 

Tests were carried out on a stage 2 Cayman T (370hp) 4 runs from 100-200km back to back 
Increase of core volume of 22%  

Click 'Zoom in' for large parts diagram.
Diagram ref no 1.

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

9M82145621C
982145621A
982145621B

The product you are viewing cross references to these numbers
982105269X
Product Information
Product Information
Single mass flywheel Porsche Boxster 718/ Cayman 718

Fits:
Porsche 718 Boxster Manual Cars
Porsche 718 Cayman Manual Cars

● CNC machined high carbon forged billet steel material
● 45% weight reduction
● Direct replacement
● Quicker acceleration
● Reduced rotating mass and less engine inertia
● Better throttle response
● OEM clutch compatible
● More power to the wheels

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

982105269X
982105262A

The product you are viewing cross references to these numbers
DISPLAYING 97 to 109 (of 109 products)
<< 4 5 6 7