STG Chassis Package - GR Yaris Gen 1

String Theory Garage Chassis & Handling Performance Package for the GR Yaris (Gen 1)

This package is all the parts featured on our own development car, tested and proven in every situation from undulating, bumpy British B-roads to arduous mid-summer Nurburgring sessions.

The kit works in all scenarios, providing all the adjustment required to dial the car in to your preference. Run the ride height high and the dampers soft for a super-refined yet razor sharp road car, or lower it further and turn the dampers up for superior on-track performance.

The kit comprises of:

• AST 4100 String Theory Signature edition coil-over damper kit

  • Improved damping quality for superior ride comfort
  • Adjustable to allow for all situations
  • Standard damper travel for superior road manners
  • 20mm shorter shock bodies to allow for compromise-free lowering

• Front lower control arm spherical bearing kit by Hardrace

  • Huge improvement in front precision and feel
  • Less restriction over suspension travel to allow the dampers to shine
  • Consistent wheel control, huge stability under braking and consistent turn-in response

• Rear adjustable camber arms with spherical bearings by Hardrace

  • Providing full adjustability to allow for desired chassis balance
  • Spherical bearing helps control geometry under load

• Uprated anti-roll bars by Hardrace

  • Huge initial turn-in response upgrade
  • Dials out understeer bias and massive improves throttle adjustability
  • Adjustable front anti-roll bar allows simple chassis balance adjustment

• Front strut brace by Hardrace

  • Improves chassis rigidity to work with other modifications

Professional Fitting Services:

We offer full fitting with ride-height, corner balancing, and geometry setup. To schedule your appointment, select the fitting option from the drop-down menu and choose “Collection/Fitting from String Theory” as your delivery method at checkout. We’ll be in touch to finalise your booking.