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The Perrin cold‑air intake for 2018–2021 Subaru WRX STI is a vehicle‑specific intake upgrade that replaces restrictive factory ducting to improve airflow for the turbocharged STI. Offered in a black finish for a clean under‑hood look, the kit is intended for drivers seeking a direct‑fit aftermarket intake that supports upgraded breathing and straightforward installation on new‑body WRX STI models.
PERRIN 18-21 Subaru STI Cold-Air Intake - Black
