Collection: Porsche 911 991 (2011 - 2019)

Upgrade your Porsche 911 (991) GT3 | GT3 RS |... Read More

Upgrade your Porsche 911 (991) GT3 | GT3 RS | Turbo | Carrera | GTS | Targa with String Theory Garage's range of sourced and engineered parts, and enjoy more power, even better sound, and improved drive experience on the road & track!

From Coilovers suspension upgrades, Cargraphic exhaust valve controllers to Adjustable rear toe arms, String Theory Garage has you covered.

String Theory Garage was born out of a dedication to making cars drive better than ever. Founded in 2018 our passion, enthusiasm and knowledge of vehicle dynamics, suspension tuning and chassis setup has already built us a reputation for going above-and-beyond to supply and fit the right parts for your car. Every car that enters our garage is treated as our own, and does not leave until we, and you, are happy.
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Elise (S1) 1996 - 2001 (1 products)

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Emira 3.5 V6 2022 - Present (1 products)

Exige (S2) 2004 - 2011 (1 products)

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F355 (Type F129) 1994 - 1999 (1 products)

F430 (Type F131) 2005 - 2009 (1 products)

Fiesta V ST (JH1 | JD3) 2002 - 2008 (1 products)

Fiesta VI Zetec ST (JA8) 2008 - 2017 (1 products)

Focus RS MK2 (DA_) 2009 - 2010 (1 products)

Focus RS MK3 (DYB_) 2015 - 2018 (1 products)

Focus ST MK2 (DA_) 2008 - 2010 (1 products)

Focus ST MK3 (DYB_) 2015 - 2018 (1 products)

GR Yaris (Gen 1) 2020 - 2023 (1 products)

Huracan LP 640-2 STO 2021 - 2024 (1 products)

Integra Type R (DC5) 2001 - 2006 (1 products)

Lancer Evolution IV (CN9A) 1996 - 1998 (1 products)

Lancer Evolution IX (CT9A) 2005 - 2007 (1 products)

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Lancer Evolution VI (CP9A) 1999 - 2001 (1 products)

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73 products

String Theory Garage Porsche Lower Control Arm Camber Shim 718 | 981 | 996 | 997 | 991 | 992

String Theory Garage Porsche Lower Control Arm Camber Shim 718 | 981 | 996 | 997 | 991 | 992

Regular price From £14.00 GBP

Regular price Sale price From £14.00 GBP

STG Tactile RS Style Billet Aluminium Magnetic PDK Shifter Paddles | Porsche 718 & 911 (991)

Sale

STG Tactile RS Style Billet Aluminium Magnetic PDK Shifter Paddles | Porsche 718 & 911 (991)

Regular price From £295.00 GBP

Regular price ~~£495.00 GBP~~ Sale price From £295.00 GBP

Sale

Cargraphic Exhaust Valve Controller for Porsche 911 (991.2) GT3 | GT3 Touring | GT3 RS (4.0L) without OPF

Cargraphic Exhaust Valve Controller for Porsche 911 (991.2) GT3 | GT3 Touring | GT3 RS (4.0L) without OPF

Regular price From £380.00 GBP

Regular price ~~£380.00 GBP~~ Sale price From £380.00 GBP

Cargraphic Exhaust Valve Controller for Porsche 911 (991.2) Carrera S | GTS

Sale

Cargraphic Exhaust Valve Controller for Porsche 911 (991.2) Carrera S | GTS

Regular price From £330.00 GBP

Regular price ~~£380.00 GBP~~ Sale price From £330.00 GBP

Sale

Nankang CR-S Semi Slick Track Day / Motorsport Tyre 200TW

Nankang CR-S Semi Slick Track Day / Motorsport Tyre 200TW

Regular price From £170.00 GBP

Regular price Sale price From £170.00 GBP

STG Titanium Exhaust Manifold Stud Kit - Porsche 911 (991) GT3

STG Titanium Exhaust Manifold Stud Kit - Porsche 911 (991) GT3

Regular price £139.00 GBP

Regular price Sale price £139.00 GBP

Cargraphic Exhaust Valve Controller for Porsche 911 (991.1) GT3 (3.8L) | GT3 RS (4.0L) | R (4.0L)

Cargraphic Exhaust Valve Controller for Porsche 911 (991.1) GT3 (3.8L) | GT3 RS (4.0L) | R (4.0L)

Regular price From £380.00 GBP

Regular price ~~£380.00 GBP~~ Sale price From £380.00 GBP

Cargraphic Exhaust Valve Controller for Porsche 911 (991.2) GT2 RS

Sale

Cargraphic Exhaust Valve Controller for Porsche 911 (991.2) GT2 RS

Regular price From £330.00 GBP

Regular price ~~£380.00 GBP~~ Sale price From £330.00 GBP

Sale

Eibach Pro-Tronic Electronic Damper Module - Porsche 911 Targa (991)

Eibach Pro-Tronic Electronic Damper Module - Porsche 911 Targa (991)

Regular price £480.00 GBP

Regular price Sale price £480.00 GBP

Eibach Pro-Kit Lowering Springs - Porsche 911 Targa (991)

Eibach Pro-Kit Lowering Springs - Porsche 911 Targa (991)

Regular price £509.79 GBP

Regular price Sale price £509.79 GBP

Eibach Pro-Tronic Electronic Damper Module - Porsche 911 Cabriolet (991)

Eibach Pro-Tronic Electronic Damper Module - Porsche 911 Cabriolet (991)

Regular price £480.00 GBP

Regular price Sale price £480.00 GBP

Eibach Pro-Kit Lowering Springs - Porsche 911 Cabriolet (991)

Eibach Pro-Kit Lowering Springs - Porsche 911 Cabriolet (991)

Regular price £509.79 GBP

Regular price Sale price £509.79 GBP

Eibach Pro-Tronic Electronic Damper Module - Porsche 911 (991)

Eibach Pro-Tronic Electronic Damper Module - Porsche 911 (991)

Regular price From £480.00 GBP

Regular price Sale price From £480.00 GBP

Eibach Pro-Kit Lowering Springs - Porsche 911 (991)

Eibach Pro-Kit Lowering Springs - Porsche 911 (991)

Regular price £509.79 GBP

Regular price Sale price £509.79 GBP

STG Titanium Exhaust Manifold Stud Kit - Porsche 911 (991.1) Carrera2 & 4

STG Titanium Exhaust Manifold Stud Kit - Porsche 911 (991.1) Carrera2 & 4

Regular price £139.00 GBP

Regular price Sale price £139.00 GBP

PWRD Precision Fit Hubcentric Wheel Spacers — Porsche 911, Cayman, Boxster & Spyder (5×130 PCD / 71.6mm)

PWRD Precision Fit Hubcentric Wheel Spacers — Porsche 911, Cayman, Boxster & Spyder (5×130 PCD / 71.6mm)

Regular price From £119.99 GBP

Regular price Sale price From £119.99 GBP

Cargraphic Exhaust Valve Controller for Porsche 911 (991.1) Carrera / Carrera S / Carrera 4S

Sale

Cargraphic Exhaust Valve Controller for Porsche 911 (991.1) Carrera / Carrera S / Carrera 4S

Regular price From £330.00 GBP

Regular price ~~£380.00 GBP~~ Sale price From £330.00 GBP

Sale

Milltek Rear Silencer Exhaust System for Porsche 911 (991.1) Carrera 2s & 4s (3.8L)

Milltek Rear Silencer Exhaust System for Porsche 911 (991.1) Carrera 2s & 4s (3.8L)

Regular price £1,634.88 GBP

Regular price Sale price £1,634.88 GBP

Milltek Exhaust Tips for Porsche 911 (991.1) Carrera 2S & 4S (3.8L) Fits OE & MIlltek System

Milltek Exhaust Tips for Porsche 911 (991.1) Carrera 2S & 4S (3.8L) Fits OE & MIlltek System

Regular price From £660.00 GBP

Regular price Sale price From £660.00 GBP

Milltek Cat Back Exhaust System for Porsche 911 (991.1) GT3 & GT3 RS

Milltek Cat Back Exhaust System for Porsche 911 (991.1) GT3 & GT3 RS

Regular price From £824.24 GBP

Regular price Sale price From £824.24 GBP

Milltek Rear Silencer Delete Exhaust System for Porsche 911 (991.2) T / S / GTS (3.0L)

Milltek Rear Silencer Delete Exhaust System for Porsche 911 (991.2) T / S / GTS (3.0L)

Regular price From £2,707.94 GBP

Regular price Sale price From £2,707.94 GBP

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)

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

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

Regular price £3,798.00 GBP

Regular price Sale price £3,798.00 GBP

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Collection: Porsche 911 991 (2011 - 2019)

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