Popular 981 Cayman tuning paths include IPD plenum + GT3 throttle body, Softronic/COBB tuning, FabSpeed/Dundon/Soul headers, and full DeMan 3.8L/4.0L/4.5L engine builds, with bolt-on packages adding 30-40hp on the S/GT4.
Common engine modifications and tuning paths
Porsche Cayman (981) · modifications