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The Cusco engine oil catch tank kit for the GR Corolla effectively captures harmful contaminants like oil deposits, unused fuel vapors, and moisture that would normally flow back into the engine’s intake.
By minimizing sludge and carbon buildup, it helps the engine breathe and function more efficiently. This makes it a valuable performance-enhancing upgrade, particularly recommended if you're planning on turning up the boost or tuning for more power.
*May cause CEL on non tuned vehicles.
