Cold Air Intake for Toyota Corolla (1990-1997) 1.6L 1.8L EnginesOptimize Airflow and Throttle Response for your 1990 1997 Toyota Corolla A Series Engine Who Its For: Designed specifically for 1990 1997 Toyota Corolla owners running the legendary A Series engine family (4A FE and 7A FE). The Problem: The factory intake system on the A Series engine was engineered in an era where cabin silence was prioritized over volumetric efficiency. The stock plastic air box and ribbed accordion hose create significant internal