The Perrin Cold Air Intake for 2018–2021 Subaru STI is a vehicle-specific intake system offered in Hyper Pink that replaces the factory air path to position the filter and piping for improved air routing. Built as a direct-fit solution, it includes components intended to integrate with the STI's engine bay layout, giving owners a finished intake option matched to those model years.
PERRIN 18-21 Subaru STI Cold Air Intake - Hyper Pink