
Weapon R Secret Weapon intake for 1999–2002 Toyota Corolla 1.8L is a neop-type titanium-finish cold-air intake designed for that engine and year span. The system replaces the factory intake plumbing to improve airflow characteristics suited to the 1.8L Corolla platform, matching the listed model years and engine specification.
Weapon R 99-02 Toyota Corolla 1.8L Neo Titanium Secret Weapon Intake