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  K&N Cold Air Typhoon Intake Subaru WRX
The Typhoon Air Intake System is a free-flowing 3-inch mandrel-bent aluminum tube induction system designed to provide cooler, denser air to the engine for increased performance. It is a direct replacement for the restrictive OE air box and the constrictive factory air filter and inlet tract. Using the most advanced airflow management technology, K&N has optimized the flow characteristics of the Typhoon Air Intake System to complement it's high-flow Filtercharger®.
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