XYZ Racing Top Sport Coilovers — Toyota GR YARIS RS MXPA12 (Modified Rear Integrated) 2020-2026

The GR Yaris RS runs a torsion-beam rear axle in place of the four-wheel-drive GR-Four’s independent set-up, which changes how the back of the car reacts to load transfer under trail braking. XYZ Racing’s Top Sport coilover addresses that directly, with a modified rear damper mount integrated into the kit so the geometry works with the RS’s factory beam rather than fighting it.

Spring rates step up 2kg/mm over street settings, with 30-50% more damping force to match. That combination is aimed at drivers who do the odd track day but still commute in the car through the week – not a full circuit-only setup, and not a soft daily-comfort spring either.

What this coilover does for your 2020-2026 Toyota GR Yaris RS

The stiffer spring rate and increased damping keep the RS’s body flatter through direction changes, which matters on a torsion-beam rear end where excess roll translates straight into axle tramp under power. Sharp inputs on broken tarmac – a mid-corner ripple, a kerb clip – get absorbed rather than kicked through to the chassis, because the damper is specifically tuned to soak up impact from uneven surfaces without the wheel losing contact. That contact patch consistency is what actually puts the RS’s power down through the rear beam; more of the tyre stays loaded through the stroke instead of skipping over bumps. Owners running the car hard into a corner will also feel less of the rear stepping out under trail braking, since the increased damping controls weight transfer onto the front axle more precisely than the factory setup allows.

About the Top Sport coilover

XYZ Racing built the Top Sport line around its own track-day testing programme, using that data to set spring and damping baselines rather than porting over road-going numbers. The spring rate sits 2kg/mm above street specification and damping force is raised 30-50% against the same baseline, a combination chosen to control body movement over sustained direction changes without turning the ride brittle on the road. Construction absorbs the shock loading from potholes and expansion joints before it reaches the chassis, which reduces the jolt transmitted through the body on rough sections and keeps the tyre working rather than skittering. The result is a setup that holds its line through repeated hard cornering – XYZ describes the balance as giving the driver confidence in how the car responds, rather than a car that reacts unpredictably lap to lap. It’s built for exactly the brief the name suggests: aggressive road driving with regular track days, not a dedicated race car and not a comfort-first commuter spring.

Fitment for the Toyota GR Yaris RS Mxpa12 (2020-2026)

This kit is built for the Toyota GR Yaris RS, chassis code MXPA12, covering the 2020 to 2026 model years. The rear damper mount is the modified, integrated type specific to this chassis – not a bolt-on adapter – so it matches the RS’s factory mounting points without extra hardware.

What buyers also search for

• Toyota GR Yaris RS suspension upgrade for road and occasional track use
• GR Yaris MXPA12 coilover damping that holds together across repeat track sessions
• Top Sport coilover options for the GR Yaris RS torsion-beam rear axle
• Toyota GR Yaris adjustable coilover kit for fast road and track day driving

Spec your MXPA12’s Top Sport kit against the rest of the range and configure yours below.