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Collection: GR Yaris

You are now browsing for Toyota GR Yaris Parts & Upgrades

Here at String Theory Garage we stock a large and ever expanding range of Toyota GR Yaris Parts. A complete range of upgrades, all tested, developed and proven on our own GR Yaris. From Suspension upgrades to ECU tuning we have you covered.

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.

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Audi (4 products)
BMW (4 products)
Mercedes-Benz (4 products)
MINI (4 products)
Nissan (4 products)
Porsche (4 products)
SEAT (4 products)
Skoda (4 products)
Toyota (119 products)
Volkswagen (4 products)

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911 (996) 1997 - 2006 (1 product)
911 (997) 2004 - 2013 (1 product)
911 (991) 2011 - 2019 (1 product)
Boxster (986) 1996 - 2004 (1 product)
Cayman | Boxster (987) 2004 - 2012 (1 product)
Cayman | Boxster (981) 2012 - 2016 (1 product)
Cayman | Boxster | Spyder 718 (982) 2016 - Present (1 product)
GR Yaris Gen 1 (2020 - 2024) (113 products)
GR Yaris Gen 2 (2024+) (33 products)

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Brakes (16 products)
Chassis alignment (10 products)
Engine & ECU (15 products)
Exterior (9 products)
Intake & Exhaust (19 products)
Rollcages (1 product)
Seats & Interior (22 products)
Suspension (12 products)
Wheels & Tyres (18 products)

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122 products

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Audi (4 products)
BMW (4 products)
Mercedes-Benz (4 products)
MINI (4 products)
Nissan (4 products)
Porsche (4 products)
SEAT (4 products)
Skoda (4 products)
Toyota (119 products)
Volkswagen (4 products)

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Car Model

911 (996) 1997 - 2006 (1 products)
911 (997) 2004 - 2013 (1 products)
911 (991) 2011 - 2019 (1 products)
Boxster (986) 1996 - 2004 (1 products)
Cayman | Boxster (987) 2004 - 2012 (1 products)
Cayman | Boxster (981) 2012 - 2016 (1 products)
Cayman | Boxster | Spyder 718 (982) 2016 - Present (1 products)
GR Yaris Gen 1 (2020 - 2024) (113 products)
GR Yaris Gen 2 (2024+) (33 products)

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Product type

Brakes (16 products)
Chassis alignment (10 products)
Engine & ECU (15 products)
Exterior (9 products)
Intake & Exhaust (19 products)
Rollcages (1 products)
Seats & Interior (22 products)
Suspension (12 products)
Wheels & Tyres (18 products)

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122 products

Eibach Front Camber Bolts 17mm Kit

Eibach Front Camber Bolts 17mm Kit

Regular price £27.18 GBP

Regular price Sale price £27.18 GBP
Hardrace Toyota GR Yaris Rear Upper Camber Arm Kit - Pillow Ball Equipped - Pair

Sold out

Hardrace Toyota GR Yaris Rear Upper Camber Arm Kit - Pillow Ball Equipped - Pair

Regular price £280.05 GBP

Regular price Sale price £280.05 GBP

Sold out
Hardrace Toyota Yaris GR Rear Upper Camber Arm Kit - Harden Rubber Equipped - 2pcs/set

Hardrace Toyota Yaris GR Rear Upper Camber Arm Kit - Harden Rubber Equipped - 2pcs/set

Regular price £280.05 GBP

Regular price Sale price £280.05 GBP
Turbosmart BOV Kompact EM PlumBack VR17

Turbosmart BOV Kompact EM PlumBack VR17

Regular price £204.95 GBP

Regular price Sale price £204.95 GBP
Carbotech XP8™ Rear Performance Brake Pads – Toyota GR Yaris

Carbotech XP8™ Rear Performance Brake Pads – Toyota GR Yaris

Regular price £185.00 GBP

Regular price Sale price £185.00 GBP
Ferodo Racing DSUNO Rear Competition Brake Pads - Toyota GR Yaris

Ferodo Racing DSUNO Rear Competition Brake Pads - Toyota GR Yaris

Regular price £205.04 GBP

Regular price Sale price £205.04 GBP
GR Yaris P-DEF Brake Insulator's - Evo Corse

GR Yaris P-DEF Brake Insulator's - Evo Corse

Regular price From £82.50 GBP

Regular price Sale price From £82.50 GBP
CSF High Performance Radiator for GR Yaris

CSF High Performance Radiator for GR Yaris

Regular price £700.00 GBP

Regular price Sale price £700.00 GBP
HKS Performance Oil Cooler Kit - GR Yaris

Sold out

HKS Performance Oil Cooler Kit - GR Yaris

Regular price £860.00 GBP

Regular price Sale price £860.00 GBP

Sold out
STG Stage 1 ECU MAP TOYOTA GR YARIS

STG Stage 1 ECU MAP TOYOTA GR YARIS

Regular price £600.00 GBP

Regular price Sale price £600.00 GBP
HJS ECE Tuning Sport Cat Toyota GR Yaris Gen 1 Euro 6

HJS ECE Tuning Sport Cat Toyota GR Yaris Gen 1 Euro 6

Regular price £1,326.00 GBP

Regular price Sale price £1,326.00 GBP
Garage Whifbitz GR Yaris Stainless Steel OPF Delete Pipe Resonated and Non-Resonated

Garage Whifbitz GR Yaris Stainless Steel OPF Delete Pipe Resonated and Non-Resonated

Regular price From £245.00 GBP

Regular price Sale price From £245.00 GBP
HKS Hi-Power Spec-L II Exhaust GR Yaris

Sale

HKS Hi-Power Spec-L II Exhaust GR Yaris

Regular price £1,275.00 GBP

Regular price ~~£1,650.00 GBP~~ Sale price £1,275.00 GBP

Sale
HKS Legamax Premium Exhaust GR Yaris

Sale

HKS Legamax Premium Exhaust GR Yaris

Regular price £1,275.00 GBP

Regular price ~~£1,483.33 GBP~~ Sale price £1,275.00 GBP

Sale
HKS Super Turbo Muffler Ti Toyota GR Yaris

Sale

HKS Super Turbo Muffler Ti Toyota GR Yaris

Regular price £3,250.00 GBP

Regular price ~~£3,520.00 GBP~~ Sale price £3,250.00 GBP

Sale
HKS Super Turbo Muffler Toyota GR Yaris

Sale

HKS Super Turbo Muffler Toyota GR Yaris

Regular price £1,437.50 GBP

Regular price ~~£1,650.00 GBP~~ Sale price £1,437.50 GBP

Sale
HKS Super Turbo Muffler Urban Matte Edition Toyota GR Yaris

Sale

HKS Super Turbo Muffler Urban Matte Edition Toyota GR Yaris

Regular price £1,719.17 GBP

Regular price ~~£1,890.00 GBP~~ Sale price £1,719.17 GBP

Sale
HKS Super Turbo Muffler Toyota GR Yaris Gen 2

Sale

HKS Super Turbo Muffler Toyota GR Yaris Gen 2

Regular price £1,600.00 GBP

Regular price ~~£1,760.00 GBP~~ Sale price £1,600.00 GBP

Sale
HKS Super Turbo Muffler Urban Matte Edition Toyota GR Yaris Gen 2

Sale

HKS Super Turbo Muffler Urban Matte Edition Toyota GR Yaris Gen 2

Regular price £1,708.33 GBP

Regular price ~~£1,880.00 GBP~~ Sale price £1,708.33 GBP

Sale
Milltek 3" Resonated Exhaust System for Toyota GR Yaris Gen 1 – OPF/GPF Filter Back

Milltek 3" Resonated Exhaust System for Toyota GR Yaris Gen 1 – OPF/GPF Filter Back

Regular price From £1,052.58 GBP

Regular price Sale price From £1,052.58 GBP
Milltek 3" Non-Resonated Exhaust System for Toyota GR Yaris Gen 1 – OPF/GPF Filter Back

Milltek 3" Non-Resonated Exhaust System for Toyota GR Yaris Gen 1 – OPF/GPF Filter Back

Regular price From £958.18 GBP

Regular price Sale price From £958.18 GBP
Milltek 3" Resonated Exhaust System for Toyota GR Yaris Gen 2 – OPF/GPF Filter Back

Milltek 3" Resonated Exhaust System for Toyota GR Yaris Gen 2 – OPF/GPF Filter Back

Regular price From £1,122.45 GBP

Regular price Sale price From £1,122.45 GBP
Milltek 3" Non-Resonated Exhaust System for Toyota GR Yaris Gen 2 – OPF/GPF Filter Back

Milltek 3" Non-Resonated Exhaust System for Toyota GR Yaris Gen 2 – OPF/GPF Filter Back

Regular price From £1,022.14 GBP

Regular price Sale price From £1,022.14 GBP
STG GR Yaris Height Adjustable Spring Kit

Sold out

STG GR Yaris Height Adjustable Spring Kit

Regular price From £579.17 GBP

Regular price Sale price From £579.17 GBP

Sold out

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