THIS DOES NOT FIT YOUR 2017 Subaru WRX STI w/Spoiler

Cap Complete Air Breather

Part Number: 38354AA002
Supersession(s): 38354AA000; 622016000

1Y.

CAP-BREATHER

Fits Baja, Forester, Impreza, Legacy, Loyale, Outback, STI, SVX, WRX, XT