Rear Kit Focus
The Word material notes that the rear kit includes a 3D-printed interior opening template. That reduces guesswork when cutting trim and helps deliver a more factory-level final fit.
Chassis Reinforcement
The rear companion to the GR Yaris front bar uses the same dry carbon and CNC-machined philosophy, adding install-minded details for a cleaner cabin-side finish.

The Word material notes that the rear kit includes a 3D-printed interior opening template. That reduces guesswork when cutting trim and helps deliver a more factory-level final fit.
With both front and rear bars installed, PTISM intends the car to feel more unified under load rather than simply stiffer at one end.
As with the front bar, hardware and thread specs should be checked against the actual vehicle setup before final tightening.