Skip to content

5 Star Google Reviews

Welcome to our store

Worldwide Shipping

Milltek Exhausts Now Available

Shop by Car
Shop by Brand
- String Theory Garage
  
  Products on our car
- Akrapovic
- AP Racing
- ARTEC
- AST Suspension
- Bilstein
- BMC
- Cargraphic
- Cobra
- Coolerworx
- CSF
- CUSCO
- DGS BLX
- Eibach
- Evo Corse
- Ferodo
- Garage Whifbitz
- Hardrace
- HJS
- HKS
- ITG
- JCR
- Lamspeed
- Lifeline
- Milltek
- MMX
- MOTON Suspension
- Nankang
- Nitron
- Pagid
- Rally Flapz
- Recaro
- Shortiez
- Tarox
- TOM'S
- TSW
- Turbosmart
- Verkline
- Wagner Tuning
- Wedssport
- Xtreme
Shop by Part
- Braking
  
  Discs
  Hoses
  Kits
  Pads
  Other
- Engine & ECU
  
  Cooling
  ECU Map | Tuning
  Gearbox & Clutch
  Turbo
  Other
- Exterior & Trim
  
  Splitters & Diffusers
  Spoilers
  Other
- Intake & Exhaust
  
  Exhaust
  Intake
  Valve Control
- Handling & Suspension
  
  Anti Roll Bars
  Bracing
  Bushes & Bearings
  Coilovers & Shock Absorbers
  Drop Links
  Lowering Springs
  Suspension Arms
  Top Mounts
- Seats & Interior
  
  Harnesses
  Roll Cage
  Seats
  Sound
  Other
- Wheels & Tyres
  
  Tyres
  Wheels
  Wheel Nuts & Studs
  Wheel Spacers
Specialist Services
Apparel
About
Contact
Blog
AST Suspension

Country/region

Search

France GBP £
Singapore GBP £
United Kingdom GBP £
United States GBP £

Facebook
Instagram
YouTube

Search

Shop by Car
Shop by Brand
Shop by Part
Specialist Services
Apparel
About
Contact
Blog
AST Suspension

Search

Item added to your cart

View cart

Collection: Porsche

You are now browsing for Porsche Parts & Upgrades

Here at String... Read More

You are now browsing for Porsche Parts & Upgrades

Here at String Theory Garage we stock a large and ever expanding range of Porsche Parts. A complete range of upgrades, all tested, developed and proven on our own Porsches. From Suspension upgrades to ECU tuning we have you covered. Parts and Upgrades available for Porsche 911 | Cayman | Boxster | GT2 | GT3 | GT4 | 718 | 981 | 987 | 986 | 996 | 997 | 991 | 992 | 993 | 964 & More.

We also offer full fitting with ride-height, corner balancing, and geometry setup as well as other services from our garage in Stratford upon Avon.

Upgrade your Porsche's agility with top-tier performance parts & expert geometry setup - unleash unparalleled handling and speed today at String Theory Garage.

Images of the Porsche 911 range showing a white 911, orange G model, silver 964, silver 993, gold 996, red 997, red 991 & blue 992

Sort by:

240 products

Filter:

Car Manufacturer (0) Match all

Car Manufacturer

Audi (7 products)
BMW (7 products)
Chevrolet (7 products)
Dodge (7 products)
Ferrari (7 products)
Ford (7 products)
Fiat (7 products)
Honda (7 products)
Hyundai (7 products)
Lamborghini (7 products)
Lotus (7 products)
Mazda (7 products)
Mercedes-Benz (7 products)
MINI (7 products)
Mitsubishi (7 products)
Nissan (7 products)
Peugeot (7 products)
Porsche (240 products)
Renault (7 products)
SEAT (7 products)
Skoda (7 products)
Subaru (7 products)
Tesla (7 products)
Toyota (7 products)
TVR (7 products)
Volkswagen (7 products)

Car Model (0)

Car Model

1 Series (E81 | E82 | E87 | E88) 2004 - 2013 (1 product)
911 (964) 1989 - 1993 (7 products)
911 (993) 1993 - 1997 (7 products)
911 (996) 1997 - 2006 (32 products)
911 (997) 2004 - 2013 (39 products)
911 (991) 2011 - 2019 (50 products)
911 (992) 2018 - Present (16 products)
Boxster (986) 1996 - 2004 (9 products)
Cayman | Boxster (987) 2004 - 2012 (18 products)
Cayman | Boxster (981) 2012 - 2016 (22 products)
Cayman | Boxster | Spyder 718 (982) 2016 - Present (35 products)
Porsche (Other) (11 products)
GR Yaris Gen 1 (2020 - 2024) (7 products)
718 (7 products)
(968) 1991 - 1995 (2 products)
Porsche Other (21 products)

Shop by Part (0)

Shop by Part

Bushes & Bearings (1 product)
Coilovers & Shock Absorbers (126 products)
Exhaust (68 products)
Exhaust Valve Control (28 products)
Gearbox & Clutch (1 product)
Intake (1 product)
Interior (1 product)
Lowering Springs (1 product)
Splitters & Diffusers (1 product)
Suspension (109 products)
Suspension Arms (6 products)
Suspension Kits (100 products)
Seats (7 products)

Brand (0)

Brand

Akrapovic (39 products)
AST (48 products)
Bilstein (1 product)
BMC (1 product)
Cargraphic (24 products)
Cobra Seats (7 products)
Eibach (2 products)
Milltek (29 products)
MOTON (45 products)
Nitron (6 products)
Ohlins (27 products)
String Theory Garage (11 products)

Product type (0)

Product type

Chassis alignment (8 products)
Intake & Exhaust (97 products)
Seats & Interior (8 products)
Suspension (127 products)

Filter and sort Filter

Filter and sort

Filter

240 products

Car Manufacturer

Audi (7 products)
BMW (7 products)
Chevrolet (7 products)
Dodge (7 products)
Ferrari (7 products)
Ford (7 products)
Fiat (7 products)
Honda (7 products)
Hyundai (7 products)
Lamborghini (7 products)
Lotus (7 products)
Mazda (7 products)
Mercedes-Benz (7 products)
MINI (7 products)
Mitsubishi (7 products)
Nissan (7 products)
Peugeot (7 products)
Porsche (240 products)
Renault (7 products)
SEAT (7 products)
Skoda (7 products)
Subaru (7 products)
Tesla (7 products)
Toyota (7 products)
TVR (7 products)
Volkswagen (7 products)

Clear

Car Model

1 Series (E81 | E82 | E87 | E88) 2004 - 2013 (1 products)
911 (964) 1989 - 1993 (7 products)
911 (993) 1993 - 1997 (7 products)
911 (996) 1997 - 2006 (32 products)
911 (997) 2004 - 2013 (39 products)
911 (991) 2011 - 2019 (50 products)
911 (992) 2018 - Present (16 products)
Boxster (986) 1996 - 2004 (9 products)
Cayman | Boxster (987) 2004 - 2012 (18 products)
Cayman | Boxster (981) 2012 - 2016 (22 products)
Cayman | Boxster | Spyder 718 (982) 2016 - Present (35 products)
Porsche (Other) (11 products)
GR Yaris Gen 1 (2020 - 2024) (7 products)
718 (7 products)
(968) 1991 - 1995 (2 products)
Porsche Other (21 products)

Clear

Shop by Part

Bushes & Bearings (1 products)
Coilovers & Shock Absorbers (126 products)
Exhaust (68 products)
Exhaust Valve Control (28 products)
Gearbox & Clutch (1 products)
Intake (1 products)
Interior (1 products)
Lowering Springs (1 products)
Splitters & Diffusers (1 products)
Suspension (109 products)
Suspension Arms (6 products)
Suspension Kits (100 products)
Seats (7 products)

Clear

Brand

Akrapovic (39 products)
AST (48 products)
Bilstein (1 products)
BMC (1 products)
Cargraphic (24 products)
Cobra Seats (7 products)
Eibach (2 products)
Milltek (29 products)
MOTON (45 products)
Nitron (6 products)
Ohlins (27 products)
String Theory Garage (11 products)

Clear

Product type

Chassis alignment (8 products)
Intake & Exhaust (97 products)
Seats & Interior (8 products)
Suspension (127 products)

Clear

Sort by:

Remove all

240 products

STG Titanium Exhaust Manifold Stud Kit - 911 991 GT3

STG Titanium Exhaust Manifold Stud Kit - 911 991 GT3

Regular price £115.83 GBP

Regular price Sale price £115.83 GBP
AST Suspension 5100 Competition 1-way Adjustable Inverted Coilovers - Porsche 718 (982) Cayman | Boxster

Sale

AST Suspension 5100 Competition 1-way Adjustable Inverted Coilovers - Porsche 718 (982) Cayman | Boxster

Regular price £3,125.00 GBP

Regular price ~~£3,250.00 GBP~~ Sale price £3,125.00 GBP

Sale
STG 996 / 997 Rear Dogbone Spherical Bearing Kit

STG 996 / 997 Rear Dogbone Spherical Bearing Kit

Regular price £458.33 GBP

Regular price Sale price £458.33 GBP
STG Adjustable Rear Toe Link Arms - Cup Car Style 981 718

STG Adjustable Rear Toe Link Arms - Cup Car Style 981 718

Regular price £337.50 GBP

Regular price Sale price £337.50 GBP
Cargraphic Exhaust Valve Controller for Porsche 718 Boxster GTS (4.0L) | Spyder | RS

Sale

Cargraphic Exhaust Valve Controller for Porsche 718 Boxster GTS (4.0L) | Spyder | RS

Regular price From £275.00 GBP

Regular price ~~£316.67 GBP~~ Sale price From £275.00 GBP

Sale
AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche (981) Cayman | Boxster

Sale

AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche (981) Cayman | Boxster

Regular price £2,208.33 GBP

Regular price ~~£2,290.00 GBP~~ Sale price £2,208.33 GBP

Sale
STG Titanium OPF to Backbox Stud Kit - 718 Spyder

STG Titanium OPF to Backbox Stud Kit - 718 Spyder

Regular price £79.17 GBP

Regular price Sale price £79.17 GBP
STG Titanium Exhaust Manifold Stud Kit - 911 997 Turbo GT3 GT2 (gen.1)

STG Titanium Exhaust Manifold Stud Kit - 911 997 Turbo GT3 GT2 (gen.1)

Regular price £115.83 GBP

Regular price Sale price £115.83 GBP
STG Titanium Exhaust Manifold Stud Kit - 911 996 Turbo, GT3, GT2

STG Titanium Exhaust Manifold Stud Kit - 911 996 Turbo, GT3, GT2

Regular price £115.83 GBP

Regular price Sale price £115.83 GBP
String Theory Garage Porsche Lower Control Arm Camber Shim

String Theory Garage Porsche Lower Control Arm Camber Shim

Regular price From £11.67 GBP

Regular price Sale price From £11.67 GBP
STG Adjustable Rear Toe Link Arms - Cup Car Style 996 997 986 987

STG Adjustable Rear Toe Link Arms - Cup Car Style 996 997 986 987

Regular price £337.50 GBP

Regular price Sale price £337.50 GBP
BMC Sports Air Filters (Pair) Porsche 718/918

BMC Sports Air Filters (Pair) Porsche 718/918

Regular price From £170.83 GBP

Regular price Sale price From £170.83 GBP
Eibach Lower Control Arm Spacer Kit

Sold out

Eibach Lower Control Arm Spacer Kit

Regular price £38.29 GBP

Regular price Sale price £38.29 GBP

Sold out
AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (964) Carrera | Carrera 4 | RS

Sale

AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (964) Carrera | Carrera 4 | RS

Regular price From £2,125.00 GBP

Regular price ~~£2,190.00 GBP~~ Sale price From £2,125.00 GBP

Sale
AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (993) Carrera | Carrera 4

Sale

AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (993) Carrera | Carrera 4

Regular price From £2,250.00 GBP

Regular price ~~£2,330.00 GBP~~ Sale price From £2,250.00 GBP

Sale
AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (997) Carrera 2WD

Sale

AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (997) Carrera 2WD

Regular price From £2,458.33 GBP

Regular price ~~£2,550.00 GBP~~ Sale price From £2,458.33 GBP

Sale
AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (996) Carrera 2WD

Sale

AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (996) Carrera 2WD

Regular price From £2,625.00 GBP

Regular price ~~£2,720.00 GBP~~ Sale price From £2,625.00 GBP

Sale
AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (991) Carrera 2 | 4 | 4s | GTS | Targa | Cabrio

Sale

AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (991) Carrera 2 | 4 | 4s | GTS | Targa | Cabrio

Regular price From £2,458.33 GBP

Regular price ~~£2,550.00 GBP~~ Sale price From £2,458.33 GBP

Sale
AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (996) GT2 | GT3

Sale

AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (996) GT2 | GT3

Regular price From £2,750.00 GBP

Regular price ~~£2,840.00 GBP~~ Sale price From £2,750.00 GBP

Sale
AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (997) GT2 | GT3 | GT3RS

Sale

AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 911 (997) GT2 | GT3 | GT3RS

Regular price From £2,666.67 GBP

Regular price ~~£2,760.00 GBP~~ Sale price From £2,666.67 GBP

Sale
AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche (986) Boxster

Sale

AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche (986) Boxster

Regular price From £2,125.00 GBP

Regular price ~~£2,190.00 GBP~~ Sale price From £2,125.00 GBP

Sale
AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 987 Cayman | Boxster

Sale

AST Suspension 5100 Street 1-way Adjustable Inverted Coilovers - Porsche 987 Cayman | Boxster

Regular price From £2,333.33 GBP

Regular price ~~£2,430.00 GBP~~ Sale price From £2,333.33 GBP

Sale
Cargraphic Exhaust Valve Controller for Porsche 911 (997.2) GT3 | GT3 RS (3.8L) | GT3 RS (4.0L)

Cargraphic Exhaust Valve Controller for Porsche 911 (997.2) GT3 | GT3 RS (3.8L) | GT3 RS (4.0L)

Regular price From £337.50 GBP

Regular price ~~£316.67 GBP~~ Sale price From £337.50 GBP
Cargraphic Exhaust Valve Controller for Porsche 911 (997.1) GT3 | GT3 RS (3.6L)

Cargraphic Exhaust Valve Controller for Porsche 911 (997.1) GT3 | GT3 RS (3.6L)

Regular price From £337.50 GBP

Regular price ~~£316.67 GBP~~ Sale price From £337.50 GBP

1
2
3
…
10

Quick links

Search
Delivery & Returns
Contact

Broke-Smith Motorsport Ltd is a company registered in England and Wales with Company number 08407237

Facebook
Instagram
YouTube

Payment methods

© 2026, String Theory Garage Powered by Shopify

Choosing a selection results in a full page refresh.
Opens in a new window.