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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 81 to 96 (of 117 products)
<< 5 6 7 8
9M82254351BRESKIT
Product Information
Product Information
Resonated GPF delete exhaust pipe set. Porsche 718 Boxster Spyder / Cayman GT4 / GTS 4.0ltr 
Sold as a pair - left and right

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


9m 718 GT4/Spyder/GTS 4.0 Resonated OPF delete pipes
9m Resonated OPF delete pipes reduce rasp and drone noise when paired with other exhaust upgrades

  • 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+
  • Made in the UK

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.

9M82254351BRESKIT
982254351B
982254351L
982254351AA
982254351N
982254351T
982254350B
982254350L
982254350N
982254350AB
982254350T

The product you are viewing cross references to these numbers
9M987.1LWF
Product Information
Product Information
Uprated clutch and lightened flywheel kit. 

Fits:
Porsche 986 Boxster 2.5ltr / 2.7ltr - 1997 to 2004
Porsche 987.1 Boxster / Boxster S  - 2005 to 2008
Porsche 987.1 Cayman / Cayman S - 2005 to 2008

9m Lightweight Flywheel

  • 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

9m 986 / 987.1 Upgraded clutch kit 

  • Higher thermal capacity compared to OEM friction material
  • Higher transmittable torque compared to OEM
  • Performance pressure plate giving higher transmittable torque and higher clamp load
  • Capable of over 550Nm torque
  • Sprung uprated organic center plate with OEM pedal feel
  • Ideal upgrade for typically fast road/track day cars and everyday use



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Related, superseded, cross reference or alternative numbers for comparison.

9M987.1LWF
98611401201
98611401205
98611602803
98611602804
98611601406
98611601408
98711691400
98711691322
99610590102EPS
987997IMS58MM
987997IMS62MM

The product you are viewing cross references to these numbers
9M8111192107
Product Information
Product Information
Rear sports exhaust titanium with valves and GT4 RS style tailpipe trims. 

Fits:
Porsche 981 Boxster / Boxster S - 2012 to 2016
Porsche 981 Cayman / Cayman S - 2013 to 2016

Choose between Mat Silver or Mat Black GT4 RS style tailpipe trims

9m 981 Titanium valved silencer

  • Constructed from Aerospace grade TC4 titanium precision welded with a lifetime guarantee 
  • Weighing in at 9kg in total with a weight saving of 7kg over the stock silencer(16kg) 
  • Direct bolt on installation 
  • Fits original exhaust tips or optional 9m 981 GT4RS titanium style X pipe tips




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

9M8111192107
98111122101
98111122102
98111123100
98111123101
98111132100
98111132101
98111142100
98111142101
98111143101
98111122202
98111123200
98111123201
98111132200
98111132201
98111142200
98111142201

The product you are viewing cross references to these numbers
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
9M718LWF
Product Information
Product Information
Uprated clutch and lightened flywheel kit. 

Fits:
Porsche 718 Boxster Spyder / GTS 4.0ltr - 2017 onwards
Porsche 718 Cayman GT4 / GTS  4.0ltr - 2017 onwards

9m Lightweight Flywheel

  • 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

9m 718 4.0ltr Upgraded clutch kit 

  • Higher thermal capacity compared to OEM friction material
  • Higher transmittable torque compared to OEM
  • Performance pressure plate giving higher transmittable torque and higher clamp load
  • Capable of over 550Nm torque
  • Sprung uprated organic center plate with OEM pedal feel
  • Ideal upgrade for typically fast road/track day cars and everyday use



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

9M718LWF
982105262E
982141015B

The product you are viewing cross references to these numbers
9M987.2LWF
Product Information
Product Information
Uprated clutch and lightened flywheel kit. 

Fits:
Porsche 987.2 Boxster 2.9ltr - 2009 to 2012
Porsche 987.2 Boxster S  3.4ltr - 2009 to 2012
Porsche 987.2 Cayman 2.9ltr - 2009 to 2012
Porsche 987.2 Cayman S / R  3.4ltr - 2009 to 2012

9m Lightweight Flywheel

  • 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

9m 987.2 Upgraded clutch kit 

  • Higher thermal capacity compared to OEM friction material
  • Higher transmittable torque compared to OEM
  • Performance pressure plate giving higher transmittable torque and higher clamp load
  • Capable of over 550Nm torque
  • Sprung uprated organic center plate with OEM pedal feel
  • Ideal upgrade for typically fast road/track day cars and everyday use



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

9M987.2LWF
9G211401202
9G211401201
9G211401200
98711691323
98711691324
98711691325
98711691326
98711691333
98711691334
98711691335
98711691338
98711691340

The product you are viewing cross references to these numbers
9M981LWF
Product Information
Product Information
Uprated clutch and lightened flywheel kit.  including Release Bearing.

Fits:
Porsche 981 Boxster 2.9ltr - 2012 to 2016
Porsche 981 Boxster S / GTS 3.4ltr - 2012 to 2016
Porsche 981 Boxster Spyder 3.8ltr - 2016
Porsche 981 Cayman 2.9ltr - 2013 to 2016
Porsche 981 Cayman S / GTS 3.4ltr - 2013 to 2016
Porsche 981 Cayman GT4 3.8ltr  - 2016

9m Lightweight Flywheel

  • 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

9m 981 Upgraded clutch kit 

  • Higher thermal capacity compared to OEM friction material
  • Higher transmittable torque compared to OEM
  • Performance pressure plate giving higher transmittable torque and higher clamp load
  • Capable of over 550Nm torque
  • Sprung uprated organic center plate with OEM pedal feel
  • Ideal upgrade for typically fast road/track day cars and everyday use



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

9M981LWF
98111401210
98111401211
98111691300
98111691301
98111401280
98111401281
98111691380
98111691381

The product you are viewing cross references to these numbers
9M991LWF
Product Information
Product Information
Uprated clutch and lightened flywheel kit. 

Fits:
Porsche 991.1 Carrera 2 / Carrera 4 - 2012 to 2016
Porsche 991.1 Carrera 2S / Carrera 4S - 2012 to 2016

9m Lightweight Flywheel

  • 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

9m 991.1 Upgraded clutch kit 

  • Higher thermal capacity compared to OEM friction material
  • Higher transmittable torque compared to OEM
  • Performance pressure plate giving higher transmittable torque and higher clamp load
  • Capable of over 550Nm torque
  • Sprung uprated organic center plate with OEM pedal feel
  • Ideal upgrade for typically fast road/track day cars and everyday use



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

9M991LWF
99111401200
99111691310
99111691311

The product you are viewing cross references to these numbers
9M997.2LWF
Product Information
Product Information
Uprated clutch and lightened flywheel kit. 

Fits:
Porsche 997.2 Carrera 2 / Carrera 4 - 2009 to 2012
Porsche 997.2 Carrera 2S / Carrera 4S - 2009 to 2012

9m Lightweight Flywheel

  • 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

9m 997.2 Upgraded clutch kit 

  • Higher thermal capacity compared to OEM friction material
  • Higher transmittable torque compared to OEM
  • Performance pressure plate giving higher transmittable torque and higher clamp load
  • Capable of over 550Nm torque
  • Sprung uprated organic center plate with OEM pedal feel
  • Ideal upgrade for typically fast road/track day cars and everyday use



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

9M997.2LWF
9G111691300
9G111401201

The product you are viewing cross references to these numbers
9M82141015B
Product Information
Product Information
Uprated clutch kit. - Centre Plate and Pressure Plate
For use with original equipment Dual Mass Flywheel 

or with 9m lightweight flywheel, when flywheel was purchased individually (not as a 9m flywheel / uprated clutch kit)

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

Uprated Clutch Kit

  • Higher thermal capacity compared to OEM friction material
  • Higher transmittable torque compared to OEM
  • Performance pressure plate giving higher transmittable torque and higher clamp load
  • Capable of over 550Nm torque
  • Sprung uprated organic center plate with OEM pedal feel
  • Ideal upgrade for typically fast road/track day cars and everyday use



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

9M82141015B
982141015B

The product you are viewing cross references to these numbers
9M8111013000
Product Information
Product Information
High flow performance replacement air filter set. 

Fits:
Porsche 981 Boxster 2.7ltr - 2012 to 2016
Porsche 981 Boxster S / GTS 3.4ltr - 2016 to 2016
Porsche 981 Boxster Spyder - 2015 to 2016
Porsche 981 Cayman 2.7ltr - 2013 to 2016
Porsche 981 Cayman S / GTS 3.4ltr - 2013 to 2016
Porsche 981 Cayman GT4 - 2015 to 2016
Porsche 718 Boxster Spyder / GTS 4.0ltr - 2017 onwards
Porsche 718 Cayman GTS / GT4 4.0ltr - 2017 onwards

9m reusable High-Flow Air Filter feature a state-of-the-art design two layers of woven cotton media encased in a steel mesh structure to improve airflow and capture contaminants resulting in a smooth flow of air into your engine. With up to 40% more airflow over and above the factory restrictive paper element filters.

9m drop-in replacement filters are designed to install easily into the factory location.

Upgrade today and start enjoying superior airflow and superior performance from 9m performance products .



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

9M8111013000
98111013000

The product you are viewing cross references to these numbers
273362395986
Product Information
Product Information
Seal kit diff lock slave cylinder. Porsche 964 Carrera 4 / 928 with PSD


Fits:
Porsche 964 Carrera 4 - 1989 to 1994
Porsche 928 S4 / GTS with PSD - 1987 to 1995

Seal kit for differential lock slave cylinder

The listed kit supplied will replace all seals in item 19 & 20 in image shown

You will also receive instructions on rebuilding with new seals


 


kits will not be split or sold separately

OEM part number 92833277512 
OEM part number 96433977507



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

273362395986
96433977507
92833277512

The product you are viewing cross references to these numbers
9M6420127900
Product Information
Product Information
Leather fuel filler protective flap. 

Fits:
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1997

Leather fuel filler protective flap.

  • Double Stitched Leather
  • Smooth oil edging
  • Easy fitment requires only a screw driver to fit 
  • Individually Handmade
  • Ninemeister Embossed 
  • Fits all 964 and 993 model cars including Turbo/GT2/RS
  • OEM fit and finish
  • Stop any annoying fuel spillages over your wing



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

9M6420127900
96420127900

The product you are viewing cross references to these numbers
9MGT254351CR
Product Information
Product Information
9m Resonated 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.

9MGT254351CR
9GT254351B
9GT254351C
9GT254352B
9GT254352

The product you are viewing cross references to these numbers
9M9GT254351BR
Product Information
Product Information
9m Resonated 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.

9M9GT254351BR
9GT254351B
9GT254351C
9GT254352B
9GT254352

The product you are viewing cross references to these numbers
9M7182025
Product Information
Product Information
9m Lightweight flywheel billet steel - dual mass replacement

Fits:

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

9m 718 2.0/2.5 Lightweight flywheel 

  • CNC machined high carbon forged billet steel material
  • 52% weight reduction (OEM flywheel 14.55kg vs 9m flywheel 6.95kg)
  • Direct replacement
  • Quicker acceleration
  • Reduced rotating mass and less engine inertia
  • Better throttle response
  • OEM clutch compatible
  • More power to the wheels

9m 718 Upgraded clutch kit 

  • Higher thermal capacity compared to OEM friction material
  • Higher transmittable torque compared to OEM
  • Performance pressure plate giving higher transmittable torque and higher clamp load
  • Capable of over 550Nm torque
  • Sprung uprated organic center plate with OEM pedal feel
  • Ideal upgrade for typically fast road/track day cars and everyday use



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

9M7182025
982105262A
982105262B
982141015

The product you are viewing cross references to these numbers
DISPLAYING 81 to 96 (of 117 products)
<< 5 6 7 8