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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.

4 4 4 4

Midweight flywheel billet steel dual mass replacement. Porsche 964 / 993

9M6411401202

Product Information

9m Midweight flywheel billet steel - dual mass replacement

Fits:

Porsche 964 - 1990 to 1994
Porsche 993 - 1994 to 1998

9m 964/993 midweight flywheel (dual mass replacement)

As a direct replacement for the OEM 964/993 dual mass flywheel retaining the original clutch setup.

40% reduction in rotating mass
Faster acceleration
No stalling issues
More power to the wheels
OEM pedal feel
CNC machined high carbon forged billet steel material
Direct replacement
Less engine inertia
Better throttle response

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Related, superseded, cross reference or alternative numbers for comparison.

9M6411401202

96411401202

96411401102

96411401103

96411401104

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4 4 4 4

Titanium exhaust tail pipe 935 style. Porsche 718 4.0ltr / 991.2 with PSE

9M82251187AH

Product Information

9m Titanium exhaust tail pipe 935 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

Finishes Available
Raw titanium
Satin
Ceramic Black

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Related, superseded, cross reference or alternative numbers for comparison.

9M82251187AH

982251187AH

982251188C

982251187AC

982251187AJ

9P1251187B

9P1251187G

9P1251188B

9P1251188G

9P1251187K

9P1251187L

9P1251188K

9P1251188L

The product you are viewing cross references to these numbers

Lightweight flywheel billet steel. Porsche 718 GT4 / Spyder / GTS

9M82105262E

Product Information

9m Lightweight flywheel billet steel.

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 - 2019 Onwards

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.

9M82105262E

982105262E

The product you are viewing cross references to these numbers

4 4 4 4

Trackday silenced exhaust tailpipe set. Porsche 718 GT4 / Spyder / GTS 4.0ltr

9M982251188C

Product Information

9m trackday silenced exhaust tailpipe set.

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

Designed as a direct fit, tailpipe replacement to fit to original OEM Porsche silencer. These will also fit most other aftermarket rear silencers that retain the original sized outlets for example Kline Innovation, Cargraphic, Brooke Racing.

Constructed from stainless steel with a lifetime guarantee they will reduce sound at flyby and static depending on exhaust setup from 5db or more.

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

5 5 5 5 5

Oil filter spin on adapter. Porsche 718 Boxster / Cayman

9MPC115403

Product Information

9m Oil filter spin on adapter.

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 GTS 2.5ltr - 2017 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 spin on oil filter adapter kit

Spin on oil filter adapter kit specifically developed to eliminate any potential failures of the the OEM paper filter element which is prone to breaking down and the fibres of the filter and can cause fragments of the paper being sucked into the engine which will cause engine failure or faults that require engine strip down.

This kit is to adapt the standard paper oil filter cartridge to a conventional metal screw on canister filter setup.
Highly efficient and a huge improvement over the standard paper unit, providing much improved oil filtration.

Together with regular service intervals can prolong engine life.

Kit includes
Threaded spin on adapter plate constructed from clear anodized, 6082T6 aerospace grade aluminium and OEM type, high quality metal canister oil filter with built in pressure relief valve.

Easy to install - simply remove/unscrew the black plastic cone shaped original paper filter housing, and replace with/screw in our adapter plate. The new canister oil filter then simply screws onto the threaded nut in the centre of the metal plate no more messy oil changes draining from the plastic spout.

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

9MPC115403

0PC115403

9A210722500

0PC115466

The product you are viewing cross references to these numbers

5 5 5 5 5

Boost recirculation valve billet aluminium. Porsche 718 Boxster / Cayman

9MA111033770

Product Information

9m Boost recirculation valve billet aluminium.

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 GTS 2.5ltr - 2017 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 uprated billet aluminium 718 boost recirculation valve

Direct replacement for the factory plastic replacement recirculation valve which are prone to leaking boost pressure and can cause boost back feeding through the inlet plenum which can cause failures.

Unlike a Blow-off Valve (BOV) which vents back-flowing charged air to the atmosphere, a recirculation Valve protects the turbo compressor from being stalled by redirecting the back-flowing charged air to the turbo inlet pipe.

Plug and play fitment

Available in anodized black and red.

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

9MA111033770

9A111033770

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3 3 3

Midweight flywheel billet steel. Porsche 964 1989

9M6410223900

Product Information

9m Midweight flywheel billet steel.

Fits:

Porsche 964 Carrera 4 3.6ltr - 1989
with M64.01 engine

9m 964 C4 1989 Midweight flywheel

A direct replacement for the OEM 964 C4 1989 retaining the original clutch setup.

20% reduction in rotating mass
Faster acceleration
No stalling issues
More power to the wheels
OEM pedal feel
CNC machined high carbon forged billet steel material
Direct replacement
Less engine inertia
Better throttle response

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

9M6410223900

96410223900

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3 3 3

Billet steel conversion flywheel. 911 G50 with 964/993 engine. Porsche 911

9M3010223902

Product Information

9m Flywheel conversion. 911 G50 with 964/993 engine.
Used when fitting a 964 or 993 engine to a 3.2 Carrera with a G50.00 gearbox or a 911 turbo with G50.50 gearbox

Fits:

Porsche 911 3.2 Carrera - 1987 to 1989 (G50.00)
Porsche 911 turbo - 1989 (G50.50)

9m 911 G50 & G50-50 flywheel conversion to 964/993 - Used when fitting a 964 or 993 engine to a 3.2 Carrera with a G50.00 gearbox or a 911 turbo with G50.50 gearbox

9m Lightweight Sport Flywheel With 60-2 Tooth Timing Configuration for 964 /993 DME.

20% reduction in rotating mass
Faster acceleration
No stalling issues
More power to the wheels
OEM pedal feel
CNC machined high carbon forged billet steel material
Direct replacement
Less engine inertia
Better throttle response

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

9M3010223902

93010203303

The product you are viewing cross references to these numbers

10 10 10 10 10 10 10 10 10 10

Sports exhaust catalytic converter downpipe. Porsche 718 2.0ltr / 2.5ltr

9M82254400AB

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

10 10 10 10 10 10 10 10 10 10

Sports exhaust catalytic converter delete downpipe. Porsche 718 2.0ltr / 2.5ltr

9M82254400

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

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

3 3 3

Over axle GPD delete exhaust pipe set. Porsche 718 GT4 / Spyder / GTS 4.0ltr

9M718OPFPIPES

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

4 4 4 4

GPF delete exhaust pipe set. Porsche 718 Boxster Spyder RS

9M9GT254351CKIT

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

4 4 4 4

GPF delete exhaust pipe set. Porsche 718 GT4 RS

9M9GT254351B

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

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3 3 3

Sports exhaust silencer bypass x pipe with catalytic converters. Porsche 997.1 turbo

9M9711102772

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

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13 13 13 13 13 13 13 13 13 13 13 13 13

Titanium exhaust tail pipe GT4 RS style. Porsche 718 4.0ltr / 991.2 with PSE

9M82251187

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

6 6 6 6 6 6

Titanium exhaust tail pipe GT4 RS style. Porsche 987.2 / 981 / 718

9M82251187N

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
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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

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