HKS SSQV4+ Return Kit, 2008-2021 STi

A triple fin and replacing type circulation adapter are included for a vehicle to install. (These parts are not included in the universal kit.)
(Some kits include Suction Return Kit.)
The vehicle specific Suction Return Kit (Blow-off parts) is available separately.

Included:
• HKS SSQV4+ Return Kit,

Features:
• Using this recirculation adapter allows suction return by fabricating the return piping.