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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.

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581 products

Milltek HJS HD 200CPSI Sports Cats for Porsche 911 (991.2) T / S / GTS (3.0L)

Milltek HJS HD 200CPSI Sports Cats for Porsche 911 (991.2) T / S / GTS (3.0L)

Vendor:
Milltek

Regular price £2,308.80 GBP

Regular price Sale price £2,308.80 GBP
Milltek Full Resonated Exhaust System with High Flow Sports Cats for Porsche 911 (991.2) Turbo S

Milltek Full Resonated Exhaust System with High Flow Sports Cats for Porsche 911 (991.2) Turbo S

Vendor:
Milltek

Regular price £4,044.00 GBP

Regular price Sale price £4,044.00 GBP
Milltek Full Race X Pipe Exhaust System with High Flow Sports Cats for Porsche 911 (991.2) Turbo S

Milltek Full Race X Pipe Exhaust System with High Flow Sports Cats for Porsche 911 (991.2) Turbo S

Vendor:
Milltek

Regular price £3,798.00 GBP

Regular price Sale price £3,798.00 GBP
Milltek Exhaust Tips for Porsche 911 (991.2) GT3 | GT3 RS (Fits OE & MIlltek System)

Milltek Exhaust Tips for Porsche 911 (991.2) GT3 | GT3 RS (Fits OE & MIlltek System)

Vendor:
Milltek

Regular price From £613.30 GBP

Regular price Sale price From £613.30 GBP
Milltek Rear Silencer Delete Exhaust System for Porsche 911 (991.2) GT3 | GT3 RS

Milltek Rear Silencer Delete Exhaust System for Porsche 911 (991.2) GT3 | GT3 RS

Vendor:
Milltek

Regular price From £824.24 GBP

Regular price Sale price From £824.24 GBP
Milltek OPF Back Exhaust System for Porsche 911 (992.1) Carrera S (3.0L T), GTS & Dakar OPF Models

Milltek OPF Back Exhaust System for Porsche 911 (992.1) Carrera S (3.0L T), GTS & Dakar OPF Models

Vendor:
Milltek

Regular price £2,496.00 GBP

Regular price Sale price £2,496.00 GBP
Milltek Rear Silencer Delete Titanium Exhaust System for Porsche 911 (992.1) Carrera S (3.0L T), GTS & Dakar OPF Models

Milltek Rear Silencer Delete Titanium Exhaust System for Porsche 911 (992.1) Carrera S (3.0L T), GTS & Dakar OPF Models

Vendor:
Milltek

Regular price £3,344.64 GBP

Regular price Sale price £3,344.64 GBP
Milltek Rear Silencer Exhaust System for Porsche 911 (992.1) GT3

Milltek Rear Silencer Exhaust System for Porsche 911 (992.1) GT3

Vendor:
Milltek

Regular price From £3,113.76 GBP

Regular price Sale price From £3,113.76 GBP
Milltek OPF Back Exhaust System for Porsche 718 Cayman GT4 | Boxster GTS (4.0) PDK Cars

Milltek OPF Back Exhaust System for Porsche 718 Cayman GT4 | Boxster GTS (4.0) PDK Cars

Vendor:
Milltek

Regular price From £2,577.47 GBP

Regular price Sale price From £2,577.47 GBP
Milltek OPF Back Exhaust System for Porsche 718 Cayman GT4 | Boxster GTS (4.0) Pre Feb 2020

Milltek OPF Back Exhaust System for Porsche 718 Cayman GT4 | Boxster GTS (4.0) Pre Feb 2020

Vendor:
Milltek

Regular price From £2,465.15 GBP

Regular price Sale price From £2,465.15 GBP
Milltek OPF Back Rear Silencer Delete Exhaust System for Porsche 718 Cayman | Boxster GTS (2.5T)

Milltek OPF Back Rear Silencer Delete Exhaust System for Porsche 718 Cayman | Boxster GTS (2.5T)

Vendor:
Milltek

Regular price From £1,145.11 GBP

Regular price Sale price From £1,145.11 GBP
Milltek Cat Back Resonated Exhaust System for Porsche 987 Cayman S | Boxster S (3.4L) Gen 2

Milltek Cat Back Resonated Exhaust System for Porsche 987 Cayman S | Boxster S (3.4L) Gen 2

Vendor:
Milltek

Regular price From £1,683.26 GBP

Regular price Sale price From £1,683.26 GBP
Milltek Cat Back Non-Resonated Exhaust System for Porsche 987 Cayman S | Boxster S (3.4L) Gen 2

Milltek Cat Back Non-Resonated Exhaust System for Porsche 987 Cayman S | Boxster S (3.4L) Gen 2

Vendor:
Milltek

Regular price From £1,464.50 GBP

Regular price Sale price From £1,464.50 GBP
Milltek Cat Back Exhaust System for Porsche 987 Cayman S | Boxster S (3.4L) Gen 1

Milltek Cat Back Exhaust System for Porsche 987 Cayman S | Boxster S (3.4L) Gen 1

Vendor:
Milltek

Regular price From £1,631.11 GBP

Regular price Sale price From £1,631.11 GBP
Cargraphic Sport OPF Set Flow Optimized - Porsche 718 Boxster Spyder Cayman GT4 GTS

Cargraphic Sport OPF Set Flow Optimized - Porsche 718 Boxster Spyder Cayman GT4 GTS

Vendor:
Cargraphic

Regular price £4,701.92 GBP

Regular price Sale price £4,701.92 GBP
MOTON 3-way Adjustable Coilovers - Porsche (718) Cayman | Boxster

Sale

MOTON 3-way Adjustable Coilovers - Porsche (718) Cayman | Boxster

Vendor:
MOTON

Regular price £6,350.00 GBP

Regular price ~~£6,624.00 GBP~~ Sale price £6,350.00 GBP

Sale
MOTON 3-way Adjustable Coilovers - Porsche (981) Cayman | Boxster

Sale

MOTON 3-way Adjustable Coilovers - Porsche (981) Cayman | Boxster

Vendor:
MOTON

Regular price £6,350.00 GBP

Regular price ~~£6,624.00 GBP~~ Sale price £6,350.00 GBP

Sale
MOTON 3-way Adjustable Coilovers - Porsche (987) Cayman

Sale

MOTON 3-way Adjustable Coilovers - Porsche (987) Cayman

Vendor:
MOTON

Regular price £7,460.00 GBP

Regular price ~~£7,828.80 GBP~~ Sale price £7,460.00 GBP

Sale
MOTON 3-way Adjustable Coilovers - Porsche 911 (993) Carrera 2 | 4

Sale

MOTON 3-way Adjustable Coilovers - Porsche 911 (993) Carrera 2 | 4

Vendor:
MOTON

Regular price £5,830.00 GBP

Regular price ~~£6,112.80 GBP~~ Sale price £5,830.00 GBP

Sale
MOTON 3-way Adjustable Coilovers - Porsche 944 Type 2

Sale

MOTON 3-way Adjustable Coilovers - Porsche 944 Type 2

Vendor:
MOTON

Regular price £6,380.00 GBP

Regular price ~~£6,691.20 GBP~~ Sale price £6,380.00 GBP

Sale
MOTON 3-way Adjustable Coilovers - Porsche 911 Early Models 1963 - 1989 (Safari)

Sale

MOTON 3-way Adjustable Coilovers - Porsche 911 Early Models 1963 - 1989 (Safari)

Vendor:
MOTON

Regular price £6,580.00 GBP

Regular price ~~£6,902.40 GBP~~ Sale price £6,580.00 GBP

Sale
MOTON 3-way Adjustable Coilovers - Porsche 911 Early Models 1963 - 1989 (OEM Replacement)

Sale

MOTON 3-way Adjustable Coilovers - Porsche 911 Early Models 1963 - 1989 (OEM Replacement)

Vendor:
MOTON

Regular price £6,280.00 GBP

Regular price ~~£6,585.60 GBP~~ Sale price £6,280.00 GBP

Sale
MOTON 3-way Adjustable Coilovers - Porsche 911 Early Models 1963 - 1989

Sale

MOTON 3-way Adjustable Coilovers - Porsche 911 Early Models 1963 - 1989

Vendor:
MOTON

Regular price £6,430.00 GBP

Regular price ~~£6,744.00 GBP~~ Sale price £6,430.00 GBP

Sale
MOTON 3-way Adjustable Coilovers - Porsche 911 (997) GT2 | GT3 | GT3RS

Sale

MOTON 3-way Adjustable Coilovers - Porsche 911 (997) GT2 | GT3 | GT3RS

Vendor:
MOTON

Regular price £7,280.00 GBP

Regular price ~~£7,639.20 GBP~~ Sale price £7,280.00 GBP

Sale

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