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GR Yaris Specialists
A complete range of upgrades, all tested, developed and proven on our own GR Yaris
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String Theory Signature Seats
Designed to Match OEM Interior but Improve Seating Position
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Premium Exhaust Systems for Performance Cars. Stocked and fitting available with String Theory Garage
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Free Fitting on GR Yaris HKS Exhausts
Popular GR Yaris Upgrades
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STG GR Yaris 21.5mm Bolt-on Spacers (Set of 4)
Regular price £237.50 GBPRegular priceUnit price / per -
AST 4100 String Theory Signature Series Coilover Suspension Kit Toyota GR Yaris Mk1
Regular price From £2,116.67 GBPRegular priceUnit price / per£2,216.00 GBPSale price From £2,116.67 GBPSale -
STG GR Yaris Height Adjustable Spring Kit
Regular price From £579.17 GBPRegular priceUnit price / per -
Alcantara Steering Wheel Toyota GR Yaris
Regular price From £329.17 GBPRegular priceUnit price / per
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CARGRAPHIC Porsche Exhaust Valve Control Units - Now in Stock
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Cargraphic Exhaust Valve Controller for Porsche 718 Boxster GTS (4.0L) | Spyder | RS
Regular price From £275.00 GBPRegular priceUnit price / per£316.67 GBPSale price From £275.00 GBPSale -
Cargraphic Exhaust Valve Controller for Porsche 911 (992) GTS | GTS 4 | Targa 4 GTS (3.0L)
Regular price From £582.50 GBPRegular priceUnit price / per -
Cargraphic Exhaust Valve Controller for Porsche 718 Boxster GTS 4.0 | Spyder (Factory PSE Controlled)
Regular price £582.50 GBPRegular priceUnit price / per -
Cargraphic Exhaust Valve Controller for Porsche 911 (992) Targa 4 | Targa 4S (3.0L)
Regular price From £582.50 GBPRegular priceUnit price / per
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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
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STG Titanium Exhaust Manifold Stud Kit - 911 991 GT3
Regular price £115.83 GBPRegular priceUnit price / per -
AST Suspension 5100 Competition 1-way Adjustable Inverted Coilovers - Porsche 718 (982) Cayman | Boxster
Regular price £2,850.00 GBPRegular priceUnit price / per£2,988.00 GBPSale price £2,850.00 GBPSale -
STG 996 / 997 Rear Dogbone Spherical Bearing Kit
Regular price £458.33 GBPRegular priceUnit price / per -
STG Adjustable Rear Toe Link Arms - Cup Car Style 981 718
Regular price £337.50 GBPRegular priceUnit price / per
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String Theory Garage
STG 718 Spyder/GT4 & 981 GT4 Chassis Setup
Regular price
£325.00 GBP
Regular price
Sale price
£325.00 GBP
Unit price
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per
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Shop Akrapovic Exhausts
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Porsche 981 Cayman / Boxster / S / GTS | Akrapovic | Slip-On Line (Titanium)
Regular price £5,119.55 GBPRegular priceUnit price / per -
Porsche 911 GT3 RS / Speedster (991.2) - OPF/GPF | Akrapovic | Race Line (Titanium)
Regular price £11,191.71 GBPRegular priceUnit price / per -
Porsche 911 GT3 / GT3 Touring (991.2) | Akrapovic | Slip-On Race Line (Titanium)
Regular price £3,207.38 GBPRegular priceUnit price / per -
Porsche 911 GT3 RS (991.2) | Akrapovic | Slip-On Race Line (Titanium)
Regular price £3,207.38 GBPRegular priceUnit price / per
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