Description
Built for underbody airflow control and high-speed stability on the GT4 platform.
Designed specifically for the 981 Cayman GT4, this diffuser manages airflow exiting the rear of the car, reducing turbulence and improving overall stability as speed builds.
On track, the effect is subtle but important — the car feels more settled through high-speed sections where clean airflow matters. It doesn’t add grip in isolation, but improves how the entire aero system works together.
Platform
Porsche 981 Cayman GT4
Notes
- Designed specifically for GT4 rear bumper and underbody
- Not compatible with standard 981 Cayman models
- Most effective when paired with front splitter and rear wing
- Professional installation recommended
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