AEM 02-04 Impreza RS / 03-04 Impreza TS / 03-04 Outback Sport N/A 2.5L Only Polished Cold Air Intake - aem21-472P missing-image -cc Suspension::Air Compressors 1994 Chevrolet

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AEM 02-04 Impreza RS / 03-04 Impreza TS / 03-04 Outback Sport N/A 2.5L Only Polished Cold Air Intake - aem21-472P missing-image -cc Suspension::Air Compressors 1994 ChevroletAEM pioneered the Cold Air induction system for sport compact cars in 1994. A Cold Air intake system relocates the filter outside of the engine compartment to deliver the coolest air inlet temperatures possible. Cooler air carries more oxygen, which translates into a more intense explosion in the combustion chamber to create more horesepower and torque. But that's only part of the power equation. Tuning the inlet pipe in length and diameter to match