String Theory Garage, Enhancing your driving experience.

GR Yaris White Coilovers Lowered Sport Track - String Theory Garage

GR Yaris Specialists

A complete range of upgrades, all tested, developed and proven on our own GR Yaris

Shop GR Yaris upgrades

Cobra Nogaro Circuit GR Yaris Kit - String Theory Garage Signature Edition

String Theory Signature Seats

Designed to Match OEM Interior but Improve Seating Position

Shop Signature Seats

Akrapovic Exhaust Supplier Fitted UK - Porsche Toyota BMW Audi Nissan

Premium Exhaust Systems for Performance Cars. Stocked and fitting available with String Theory Garage

Shop Akrapovic Now

EVO Corse MonteCorse Wheel Alloy UK GR Yaris Supplier Fitted

EvoCorse Wheels

Designed and Manufactured to Face Any Challenge.

Shop EvoCorse

HKS Exhaust System GR Yaris UK Supplier Fitted

Free Fitting on GR Yaris HKS Exhausts

Shop Now

Popular GR Yaris Upgrades

Toyota GR Yaris Front Brake Cooling Ducts - Pair

Toyota GR Yaris Front Brake Cooling Ducts - Pair

Regular price £200.00 GBP

Regular price Sale price £200.00 GBP
Unit price per
STG GR Yaris 21.5mm Bolt-on Spacers (Set of 4)

STG GR Yaris 21.5mm Bolt-on Spacers (Set of 4)

Regular price £285.00 GBP

Regular price Sale price £285.00 GBP
Unit price per
AST 4100 String Theory Signature Series Coilover Suspension Kit Toyota GR Yaris Mk1

Sale

AST 4100 String Theory Signature Series Coilover Suspension Kit Toyota GR Yaris Mk1

Regular price From £2,540.00 GBP

Regular price ~~£2,659.20 GBP~~ Sale price From £2,540.00 GBP
Unit price per

Sale
Akrapovic Toyota GR Yaris Slip-on Exhaust System Titanium

Akrapovic Toyota GR Yaris Slip-on Exhaust System Titanium

Regular price From £2,966.78 GBP

Regular price Sale price From £2,966.78 GBP
Unit price per

NaN -Infinity

CARGRAPHIC Porsche Exhaust Valve Control Units - Now in Stock

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 £330.00 GBP

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

Sale
Cargraphic Exhaust Valve Controller for Porsche 911 (992) GTS | GTS 4 | Targa 4 GTS (3.0L)

Cargraphic Exhaust Valve Controller for Porsche 911 (992) GTS | GTS 4 | Targa 4 GTS (3.0L)

Regular price From £699.00 GBP

Regular price Sale price From £699.00 GBP
Unit price per
Cargraphic Exhaust Valve Controller for Porsche 718 Boxster GTS 4.0 | Spyder (Factory PSE Controlled)

Cargraphic Exhaust Valve Controller for Porsche 718 Boxster GTS 4.0 | Spyder (Factory PSE Controlled)

Regular price £699.00 GBP

Regular price Sale price £699.00 GBP
Unit price per
Cargraphic Exhaust Valve Controller for Porsche 911 (992) Targa 4 | Targa 4S (3.0L)

Cargraphic Exhaust Valve Controller for Porsche 911 (992) Targa 4 | Targa 4S (3.0L)

Regular price From £699.00 GBP

Regular price Sale price From £699.00 GBP
Unit price per

NaN -Infinity

Porsche 718 GT4 Close Up Silver Geometry Suspension Exhaust Specialist Modification

Porsche 718 GT4 Close Up Grey Geometry Suspension Exhaust Specialist Modification

Porsche Chassis Tuning Experts

String Theory Garage alignment products, upgrades and expertise help you to get the most from your Porsche's chassis.

Porsche Upgrades and Tuning Parts

STG Titanium Exhaust Manifold Stud Kit - 911 991 GT3

STG Titanium Exhaust Manifold Stud Kit - 911 991 GT3

Regular price £139.00 GBP

Regular price Sale price £139.00 GBP
Unit price per
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 £3,420.00 GBP

Regular price ~~£3,585.60 GBP~~ Sale price £3,420.00 GBP
Unit price per

Sale
STG 996 / 997 Rear Dogbone Spherical Bearing Kit

STG 996 / 997 Rear Dogbone Spherical Bearing Kit

Regular price £550.00 GBP

Regular price Sale price £550.00 GBP
Unit price per
STG Adjustable Rear Toe Link Arms - Cup Car Style 981 718

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

Regular price £405.00 GBP

Regular price Sale price £405.00 GBP
Unit price per

NaN -Infinity

1 6

String Theory Garage

STG 718 Spyder/GT4 & 981 GT4 Chassis Setup

£390.00 GBP

£390.00 GBP

Sale Sold out

View full details

Akrapovic Exhaust System Supplier Fitted Specialist

Akrapovic Titanium Exhausts

Available now for most makes and models

Shop Akrapovic Exhausts

Porsche 981 Cayman / Boxster / S / GTS | Akrapovic | Slip-On Line (Titanium)

Porsche 981 Cayman / Boxster / S / GTS | Akrapovic | Slip-On Line (Titanium)

Regular price £6,143.46 GBP

Regular price Sale price £6,143.46 GBP
Unit price per
Porsche 911 GT3 RS / Speedster (991.2) - OPF/GPF | Akrapovic | Race Line (Titanium)

Porsche 911 GT3 RS / Speedster (991.2) - OPF/GPF | Akrapovic | Race Line (Titanium)

Regular price £13,430.05 GBP

Regular price Sale price £13,430.05 GBP
Unit price per
Porsche 911 GT3 / GT3 Touring (991.2) | Akrapovic | Slip-On Race Line (Titanium)

Porsche 911 GT3 / GT3 Touring (991.2) | Akrapovic | Slip-On Race Line (Titanium)

Regular price £3,848.86 GBP

Regular price Sale price £3,848.86 GBP
Unit price per
Porsche 911 GT3 RS (991.2) | Akrapovic | Slip-On Race Line (Titanium)

Porsche 911 GT3 RS (991.2) | Akrapovic | Slip-On Race Line (Titanium)

Regular price £3,848.86 GBP

Regular price Sale price £3,848.86 GBP
Unit price per

NaN -Infinity