Here’s a list of the Porsche Throttle Bodies and their respective applications that IPD offers Plenums. There are no IPD Plenums available for Porsche models not mentioned below. Note: Porsche “S” models utilize the same TB as “Non-S” models unless otherwise noted.

Throttle Body	Applications
68mm	996 Turbo / GT2 986 Boxsters Early 987.1 Boxsters (05-06)
74mm	997.1 Turbo /GT2 997.2 Turbo / GT2 991.1 Turbo 991.2 Turbo 991.2 Carrera 992 Carrera 992 Turbo 996 Carreras 997.1 Carreras 987.1 Caymans 987.2 Caymans 981 Caymans 987.1 Boxsters (07-08) 987.2 Boxsters 981 Boxsters 981 GT4
76mm	996 GT3 Mk 2 955 Cayenne Turbo 957 Cayenne Turbo 958 Cayenne Turbo 970 Panamera Turbo 970.2 Panamera Turbo
82mm	997.2 Carrera 991.1 Carrera 957 Cayenne Turbo S